adopted mongoose.c to Google style

mongoose.c

@@ -1,42 +1,38 @@
-/*
- * Copyright (c) 2004-2009 Sergey Lyubka
- * Portions Copyright (c) 2009 Gilbert Wellisch
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * $Id: mongoose.c 517 2010-05-03 12:54:59Z valenok $
- */
+// Copyright (c) 2004-2010 Sergey Lyubka
+// Portions Copyright (c) 2009 Gilbert Wellisch
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
 
 #if defined(_WIN32)
-#define _CRT_SECURE_NO_WARNINGS	/* Disable deprecation warning in VS2005 */
+#define _CRT_SECURE_NO_WARNINGS // Disable deprecation warning in VS2005
 #else
-#define	_XOPEN_SOURCE 600	/* For flockfile() on Linux	*/
-#define _LARGEFILE_SOURCE	/* Enable 64-bit file offsets	*/
+#define _XOPEN_SOURCE 600 // For flockfile() on Linux
+#define _LARGEFILE_SOURCE // Enable 64-bit file offsets
 #endif
 
-#ifndef _WIN32_WCE /* Some ANSI #includes are not available on Windows CE */
+#ifndef _WIN32_WCE // Some ANSI #includes are not available on Windows CE
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <errno.h>
 #include <signal.h>
 #include <fcntl.h>
-#endif /* !_WIN32_WCE */
+#endif // !_WIN32_WCE
 
 #include <time.h>
 #include <stdlib.h>
@@ -48,94 +44,91 @@
 #include <stddef.h>
 #include <stdio.h>
 
-#if defined(_WIN32)		/* Windows specific #includes and #defines */
-#define	_WIN32_WINNT	0x0400	/* To make it link in VS2005 */
+#if defined(_WIN32)  // Windows specific #includes and #defines
+#define _WIN32_WINNT 0x0400 // To make it link in VS2005
 #include <windows.h>
 
 #ifndef _WIN32_WCE
 #include <process.h>
 #include <direct.h>
 #include <io.h>
-#else /* _WIN32_WCE */
-/* Windows CE-specific definitions */
+#else // _WIN32_WCE
 #include <winsock2.h>
-#define NO_CGI	/* WinCE has no pipes */
-#define NO_SSI	/* WinCE has no pipes */
+#define NO_CGI // WinCE has no pipes
 
-#define FILENAME_MAX	MAX_PATH
-#define BUFSIZ		4096
+#define FILENAME_MAX MAX_PATH
+#define BUFSIZ  4096
 typedef long off_t;
 
-#define errno			GetLastError()
-#define strerror(x)		_ultoa(x, (char *) _alloca(sizeof(x) *3 ), 10)
-#endif /* _WIN32_WCE */
-
-#define EPOCH_DIFF	0x019DB1DED53E8000 /* 116444736000000000 nsecs */
-#define RATE_DIFF	10000000 /* 100 nsecs */
-#define MAKEUQUAD(lo, hi)	((uint64_t)(((uint32_t)(lo)) | \
-				((uint64_t)((uint32_t)(hi))) << 32))
-#define	SYS2UNIX_TIME(lo, hi) \
-	(time_t) ((MAKEUQUAD((lo), (hi)) - EPOCH_DIFF) / RATE_DIFF)
-
-/*
- * Visual Studio 6 does not know __func__ or __FUNCTION__
- * The rest of MS compilers use __FUNCTION__, not C99 __func__
- * Also use _strtoui64 on modern M$ compilers
- */
+#define errno   GetLastError()
+#define strerror(x)  _ultoa(x, (char *) _alloca(sizeof(x) *3 ), 10)
+#endif // _WIN32_WCE
+
+#define EPOCH_DIFF 0x019DB1DED53E8000 // 116444736000000000 nsecs
+#define RATE_DIFF 10000000 // 100 nsecs
+#define MAKEUQUAD(lo, hi) ((uint64_t)(((uint32_t)(lo)) | \
+      ((uint64_t)((uint32_t)(hi))) << 32))
+#define SYS2UNIX_TIME(lo, hi) \
+  (time_t) ((MAKEUQUAD((lo), (hi)) - EPOCH_DIFF) / RATE_DIFF)
+
+// Visual Studio 6 does not know __func__ or __FUNCTION__
+// The rest of MS compilers use __FUNCTION__, not C99 __func__
+// Also use _strtoui64 on modern M$ compilers
 #if defined(_MSC_VER) && _MSC_VER < 1300
-#define	STRX(x)			#x
-#define	STR(x)			STRX(x)
-#define	__func__		"line " STR(__LINE__)
-#define	strtoull(x, y, z)	strtoul(x, y, z)
-#define	strtoll(x, y, z)	strtol(x, y, z)
+#define STRX(x) #x
+#define STR(x) STRX(x)
+#define __func__ "line " STR(__LINE__)
+#define strtoull(x, y, z) strtoul(x, y, z)
+#define strtoll(x, y, z) strtol(x, y, z)
 #else
-#define	__func__		__FUNCTION__
-#define	strtoull(x, y, z)	_strtoui64(x, y, z)
-#define	strtoll(x, y, z)	_strtoi64(x, y, z)
-#endif /* _MSC_VER */
-
-#define	ERRNO			GetLastError()
-#define	NO_SOCKLEN_T
-#define	SSL_LIB			"ssleay32.dll"
-#define	CRYPTO_LIB		"libeay32.dll"
-#define	DIRSEP			'\\'
-#define	IS_DIRSEP_CHAR(c)	((c) == '/' || (c) == '\\')
-#define	O_NONBLOCK		0
+#define __func__  __FUNCTION__
+#define strtoull(x, y, z) _strtoui64(x, y, z)
+#define strtoll(x, y, z) _strtoi64(x, y, z)
+#endif // _MSC_VER
+
+#define ERRNO   GetLastError()
+#define NO_SOCKLEN_T
+#define SSL_LIB   "ssleay32.dll"
+#define CRYPTO_LIB  "libeay32.dll"
+#define DIRSEP '\\'
+#define IS_DIRSEP_CHAR(c) ((c) == '/' || (c) == '\\')
+#define O_NONBLOCK  0
 #if !defined(EWOULDBLOCK)
-#define	EWOULDBLOCK		WSAEWOULDBLOCK
-#endif /* !EWOULDBLOCK */
-#define	_POSIX_
-#define INT64_FMT		"I64d"
-
-#define	SHUT_WR			1
-#define	snprintf		_snprintf
-#define	vsnprintf		_vsnprintf
-#define	sleep(x)		Sleep((x) * 1000)
-
-#define	popen(x, y)		_popen(x, y)
-#define	pclose(x)		_pclose(x)
-#define	close(x)		_close(x)
-#define	dlsym(x,y)		GetProcAddress((HINSTANCE) (x), (y))
-#define	RTLD_LAZY		0
-#define	fseeko(x, y, z)		fseek((x), (y), (z))
-#define	fdopen(x, y)		_fdopen((x), (y))
-#define	write(x, y, z)		_write((x), (y), (unsigned) z)
-#define	read(x, y, z)		_read((x), (y), (unsigned) z)
-#define	flockfile(x)		(void) 0
-#define	funlockfile(x)		(void) 0
+#define EWOULDBLOCK  WSAEWOULDBLOCK
+#endif // !EWOULDBLOCK
+#define _POSIX_
+#define INT64_FMT  "I64d"
+
+#define SHUT_WR 1
+#define snprintf _snprintf
+#define vsnprintf _vsnprintf
+#define sleep(x) Sleep((x) * 1000)
+
+#define pipe(x) _pipe(x, BUFSIZ, _O_BINARY)
+#define popen(x, y) _popen(x, y)
+#define pclose(x) _pclose(x)
+#define close(x) _close(x)
+#define dlsym(x,y) GetProcAddress((HINSTANCE) (x), (y))
+#define RTLD_LAZY  0
+#define fseeko(x, y, z) fseek((x), (y), (z))
+#define fdopen(x, y) _fdopen((x), (y))
+#define write(x, y, z) _write((x), (y), (unsigned) z)
+#define read(x, y, z) _read((x), (y), (unsigned) z)
+#define flockfile(x) (void) 0
+#define funlockfile(x) (void) 0
 
 #if !defined(fileno)
-#define	fileno(x)		_fileno(x)
-#endif /* !fileno MINGW #defines fileno */
+#define fileno(x) _fileno(x)
+#endif // !fileno MINGW #defines fileno
 
 typedef HANDLE pthread_mutex_t;
 typedef HANDLE pthread_cond_t;
 typedef DWORD pthread_t;
-#define pid_t HANDLE	/* MINGW typedefs pid_t to int. Using #define here. */
+#define pid_t HANDLE // MINGW typedefs pid_t to int. Using #define here.
 
 struct timespec {
-	long tv_nsec;
-	long tv_sec;
+  long tv_nsec;
+  long tv_sec;
 };
 
 static int pthread_mutex_lock(pthread_mutex_t *);
@@ -145,27 +138,25 @@ static FILE *mg_fopen(const char *path, const char *mode);
 #if defined(HAVE_STDINT)
 #include <stdint.h>
 #else
-typedef unsigned int		uint32_t;
-typedef unsigned short		uint16_t;
-typedef unsigned __int64	uint64_t;
-typedef __int64			int64_t;
-#define	INT64_MAX		9223372036854775807
-#endif /* HAVE_STDINT */
-
-/*
- * POSIX dirent interface
- */
+typedef unsigned int  uint32_t;
+typedef unsigned short  uint16_t;
+typedef unsigned __int64 uint64_t;
+typedef __int64   int64_t;
+#define INT64_MAX  9223372036854775807
+#endif // HAVE_STDINT
+
+// POSIX dirent interface
 struct dirent {
-	char	d_name[FILENAME_MAX];
+  char d_name[FILENAME_MAX];
 };
 
 typedef struct DIR {
-	HANDLE			handle;
-	WIN32_FIND_DATAW	info;
-	struct dirent		result;
+  HANDLE   handle;
+  WIN32_FIND_DATAW info;
+  struct dirent  result;
 } DIR;
 
-#else				/* UNIX  specific	*/
+#else    // UNIX  specific
 #include <sys/wait.h>
 #include <sys/socket.h>
 #include <sys/select.h>
@@ -181,45 +172,43 @@ typedef struct DIR {
 #include <dirent.h>
 #include <dlfcn.h>
 #include <pthread.h>
-#define	SSL_LIB			"libssl.so"
-#define	CRYPTO_LIB		"libcrypto.so"
-#define	DIRSEP			'/'
-#define	IS_DIRSEP_CHAR(c)	((c) == '/')
-#define	O_BINARY		0
-#define	closesocket(a)		close(a)
-#define	mg_fopen(x, y)		fopen(x, y)
-#define	mg_mkdir(x, y)		mkdir(x, y)
-#define	mg_remove(x)		remove(x)
-#define	mg_rename(x, y)		rename(x, y)
-#define	ERRNO			errno
-#define	INVALID_SOCKET		(-1)
-#define INT64_FMT		PRId64
+#define SSL_LIB   "libssl.so"
+#define CRYPTO_LIB  "libcrypto.so"
+#define DIRSEP   '/'
+#define IS_DIRSEP_CHAR(c) ((c) == '/')
+#define O_BINARY  0
+#define closesocket(a) close(a)
+#define mg_fopen(x, y) fopen(x, y)
+#define mg_mkdir(x, y) mkdir(x, y)
+#define mg_remove(x) remove(x)
+#define mg_rename(x, y) rename(x, y)
+#define ERRNO errno
+#define INVALID_SOCKET (-1)
+#define INT64_FMT PRId64
 typedef int SOCKET;
 
-#endif /* End of Windows and UNIX specific includes */
+#endif // End of Windows and UNIX specific includes
 
 #include "mongoose.h"
 
-#define	MONGOOSE_VERSION	"2.9"
-#define	PASSWORDS_FILE_NAME	".htpasswd"
-#define	CGI_ENVIRONMENT_SIZE	4096
-#define	MAX_CGI_ENVIR_VARS	64
-#define	MAX_REQUEST_SIZE	8192
-#define	ARRAY_SIZE(array)	(sizeof(array) / sizeof(array[0]))
-#define	DEBUG_MGS_PREFIX	"*** Mongoose debug *** "
+#define MONGOOSE_VERSION "2.9"
+#define PASSWORDS_FILE_NAME ".htpasswd"
+#define CGI_ENVIRONMENT_SIZE 4096
+#define MAX_CGI_ENVIR_VARS 64
+#define MAX_REQUEST_SIZE 8192
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
+#define DEBUG_MGS_PREFIX "*** Mongoose debug *** "
 
 #if defined(DEBUG)
-#define	DEBUG_TRACE(x) do {printf x; putchar('\n'); fflush(stdout);} while (0)
+#define DEBUG_TRACE(x) do {printf x; putchar('\n'); fflush(stdout);} while (0)
 #else
 #define DEBUG_TRACE(x)
-#endif /* DEBUG */
+#endif // DEBUG
 
-/*
- * Darwin prior to 7.0 and Win32 do not have socklen_t
- */
+// Darwin prior to 7.0 and Win32 do not have socklen_t
 #ifdef NO_SOCKLEN_T
 typedef int socklen_t;
-#endif /* NO_SOCKLEN_T */
+#endif // NO_SOCKLEN_T
 
 #if !defined(FALSE)
 enum {FALSE, TRUE};
@@ -230,4104 +219,3623 @@ typedef void * (*mg_thread_func_t)(void *);
 
 static const char *http_500_error = "Internal Server Error";
 
-/*
- * Snatched from OpenSSL includes. I put the prototypes here to be independent
- * from the OpenSSL source installation. Having this, mongoose + SSL can be
- * built on any system with binary SSL libraries installed.
- */
+// Snatched from OpenSSL includes. I put the prototypes here to be independent
+// from the OpenSSL source installation. Having this, mongoose + SSL can be
+// built on any system with binary SSL libraries installed.
 typedef struct ssl_st SSL;
 typedef struct ssl_method_st SSL_METHOD;
 typedef struct ssl_ctx_st SSL_CTX;
 
-#define	SSL_ERROR_WANT_READ	2
-#define	SSL_ERROR_WANT_WRITE	3
-#define SSL_FILETYPE_PEM	1
-#define	CRYPTO_LOCK		1
+#define SSL_ERROR_WANT_READ 2
+#define SSL_ERROR_WANT_WRITE 3
+#define SSL_FILETYPE_PEM 1
+#define CRYPTO_LOCK  1
 
-/*
- * Dynamically loaded SSL functionality
- */
+// Dynamically loaded SSL functionality
 struct ssl_func {
-	const char	*name;		/* SSL function name	*/
-	void		(*ptr)(void);	/* Function pointer	*/
+  const char *name;   // SSL function name
+  void  (*ptr)(void); // Function pointer
 };
 
-#define	SSL_free(x)	(* (void (*)(SSL *)) ssl_sw[0].ptr)(x)
-#define	SSL_accept(x)	(* (int (*)(SSL *)) ssl_sw[1].ptr)(x)
-#define	SSL_connect(x)	(* (int (*)(SSL *)) ssl_sw[2].ptr)(x)
-#define	SSL_read(x,y,z)	(* (int (*)(SSL *, void *, int)) 		\
-				ssl_sw[3].ptr)((x),(y),(z))
-#define	SSL_write(x,y,z) (* (int (*)(SSL *, const void *,int))		\
-				ssl_sw[4].ptr)((x), (y), (z))
-#define	SSL_get_error(x,y)(* (int (*)(SSL *, int)) ssl_sw[5])((x), (y))
-#define	SSL_set_fd(x,y)	(* (int (*)(SSL *, SOCKET)) ssl_sw[6].ptr)((x), (y))
-#define	SSL_new(x)	(* (SSL * (*)(SSL_CTX *)) ssl_sw[7].ptr)(x)
-#define	SSL_CTX_new(x)	(* (SSL_CTX * (*)(SSL_METHOD *)) ssl_sw[8].ptr)(x)
-#define	SSLv23_server_method()	(* (SSL_METHOD * (*)(void)) ssl_sw[9].ptr)()
-#define	SSL_library_init() (* (int (*)(void)) ssl_sw[10].ptr)()
-#define	SSL_CTX_use_PrivateKey_file(x,y,z)	(* (int (*)(SSL_CTX *, \
-		const char *, int)) ssl_sw[11].ptr)((x), (y), (z))
-#define	SSL_CTX_use_certificate_file(x,y,z)	(* (int (*)(SSL_CTX *, \
-		const char *, int)) ssl_sw[12].ptr)((x), (y), (z))
+#define SSL_free(x) (* (void (*)(SSL *)) ssl_sw[0].ptr)(x)
+#define SSL_accept(x) (* (int (*)(SSL *)) ssl_sw[1].ptr)(x)
+#define SSL_connect(x) (* (int (*)(SSL *)) ssl_sw[2].ptr)(x)
+#define SSL_read(x,y,z) (* (int (*)(SSL *, void *, int))   \
+    ssl_sw[3].ptr)((x),(y),(z))
+#define SSL_write(x,y,z) (* (int (*)(SSL *, const void *,int))  \
+    ssl_sw[4].ptr)((x), (y), (z))
+#define SSL_get_error(x,y)(* (int (*)(SSL *, int)) ssl_sw[5])((x), (y))
+#define SSL_set_fd(x,y) (* (int (*)(SSL *, SOCKET)) ssl_sw[6].ptr)((x), (y))
+#define SSL_new(x) (* (SSL * (*)(SSL_CTX *)) ssl_sw[7].ptr)(x)
+#define SSL_CTX_new(x) (* (SSL_CTX * (*)(SSL_METHOD *)) ssl_sw[8].ptr)(x)
+#define SSLv23_server_method() (* (SSL_METHOD * (*)(void)) ssl_sw[9].ptr)()
+#define SSL_library_init() (* (int (*)(void)) ssl_sw[10].ptr)()
+#define SSL_CTX_use_PrivateKey_file(x,y,z) (* (int (*)(SSL_CTX *, \
+        const char *, int)) ssl_sw[11].ptr)((x), (y), (z))
+#define SSL_CTX_use_certificate_file(x,y,z) (* (int (*)(SSL_CTX *, \
+        const char *, int)) ssl_sw[12].ptr)((x), (y), (z))
 #define SSL_CTX_set_default_passwd_cb(x,y) \
-	(* (void (*)(SSL_CTX *, mg_callback_t)) ssl_sw[13].ptr)((x),(y))
+  (* (void (*)(SSL_CTX *, mg_callback_t)) ssl_sw[13].ptr)((x),(y))
 #define SSL_CTX_free(x) (* (void (*)(SSL_CTX *)) ssl_sw[14].ptr)(x)
 #define ERR_get_error() (* (unsigned long (*)(void)) ssl_sw[15].ptr)()
 #define ERR_error_string(x, y) (* (char * (*)(unsigned long, char *)) ssl_sw[16].ptr)((x), (y))
 #define SSL_load_error_strings() (* (void (*)(void)) ssl_sw[17].ptr)()
 
 #define CRYPTO_num_locks() (* (int (*)(void)) crypto_sw[0].ptr)()
-#define CRYPTO_set_locking_callback(x)					\
-		(* (void (*)(void (*)(int, int, const char *, int)))	\
-	 	crypto_sw[1].ptr)(x)
-#define CRYPTO_set_id_callback(x)					\
-	(* (void (*)(unsigned long (*)(void))) crypto_sw[2].ptr)(x)
-
-/*
- * set_ssl_option() function updates this array.
- * It loads SSL library dynamically and changes NULLs to the actual addresses
- * of respective functions. The macros above (like SSL_connect()) are really
- * just calling these functions indirectly via the pointer.
- */
-static struct ssl_func	ssl_sw[] = {
-	{"SSL_free",			NULL},
-	{"SSL_accept",			NULL},
-	{"SSL_connect",			NULL},
-	{"SSL_read",			NULL},
-	{"SSL_write",			NULL},
-	{"SSL_get_error",		NULL},
-	{"SSL_set_fd",			NULL},
-	{"SSL_new",			NULL},
-	{"SSL_CTX_new",			NULL},
-	{"SSLv23_server_method",	NULL},
-	{"SSL_library_init",		NULL},
-	{"SSL_CTX_use_PrivateKey_file",	NULL},
-	{"SSL_CTX_use_certificate_file",NULL},
-	{"SSL_CTX_set_default_passwd_cb",NULL},
-	{"SSL_CTX_free",		NULL},
-	{"ERR_get_error",		NULL},
-	{"ERR_error_string",	NULL},
-	{"SSL_load_error_strings", NULL},
-	{NULL,				NULL}
+#define CRYPTO_set_locking_callback(x)     \
+  (* (void (*)(void (*)(int, int, const char *, int))) \
+   crypto_sw[1].ptr)(x)
+#define CRYPTO_set_id_callback(x)     \
+  (* (void (*)(unsigned long (*)(void))) crypto_sw[2].ptr)(x)
+
+// set_ssl_option() function updates this array.
+// It loads SSL library dynamically and changes NULLs to the actual addresses
+// of respective functions. The macros above (like SSL_connect()) are really
+// just calling these functions indirectly via the pointer.
+static struct ssl_func ssl_sw[] = {
+  {"SSL_free",   NULL},
+  {"SSL_accept",   NULL},
+  {"SSL_connect",   NULL},
+  {"SSL_read",   NULL},
+  {"SSL_write",   NULL},
+  {"SSL_get_error",  NULL},
+  {"SSL_set_fd",   NULL},
+  {"SSL_new",   NULL},
+  {"SSL_CTX_new",   NULL},
+  {"SSLv23_server_method", NULL},
+  {"SSL_library_init",  NULL},
+  {"SSL_CTX_use_PrivateKey_file", NULL},
+  {"SSL_CTX_use_certificate_file",NULL},
+  {"SSL_CTX_set_default_passwd_cb",NULL},
+  {"SSL_CTX_free",  NULL},
+  {"ERR_get_error",  NULL},
+  {"ERR_error_string", NULL},
+  {"SSL_load_error_strings", NULL},
+  {NULL,    NULL}
 };
 
-/*
- * Similar array as ssl_sw. These functions could be located in different lib.
- */
-static struct ssl_func	crypto_sw[] = {
-	{"CRYPTO_num_locks",		NULL},
-	{"CRYPTO_set_locking_callback",	NULL},
-	{"CRYPTO_set_id_callback",	NULL},
-	{NULL,				NULL}
+// Similar array as ssl_sw. These functions could be located in different lib.
+static struct ssl_func crypto_sw[] = {
+  {"CRYPTO_num_locks",  NULL},
+  {"CRYPTO_set_locking_callback", NULL},
+  {"CRYPTO_set_id_callback", NULL},
+  {NULL,    NULL}
 };
 
-/*
- * Month names
- */
 static const char *month_names[] = {
-	"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-	"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+  "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
 };
 
-/*
- * Unified socket address. For IPv6 support, add IPv6 address structure
- * in the union u.
- */
+// Unified socket address. For IPv6 support, add IPv6 address structure
+// in the union u.
 struct usa {
-	socklen_t len;
-	union {
-		struct sockaddr	sa;
-		struct sockaddr_in sin;
-	} u;
+  socklen_t len;
+  union {
+    struct sockaddr sa;
+    struct sockaddr_in sin;
+  } u;
 };
 
-/*
- * Specifies a string (chunk of memory).
- * Used to traverse comma separated lists of options.
- */
+// Describes a string (chunk of memory).
 struct vec {
-	const char	*ptr;
-	size_t		len;
+  const char *ptr;
+  size_t  len;
 };
 
-/*
- * Structure used by mg_stat() function. Uses 64 bit file length.
- */
+// Structure used by mg_stat() function. Uses 64 bit file length.
 struct mgstat {
-	bool_t		is_directory;	/* Directory marker		*/
-	int64_t		size;		/* File size			*/
-	time_t		mtime;		/* Modification time		*/
+  bool_t  is_directory;  // Directory marker 
+  int64_t  size;         // File size
+  time_t  mtime;         // Modification time
 };
 
-/*
- * Structure used to describe listening socket, or socket which was
- * accept()-ed by the master thread and queued for future handling
- * by the worker thread.
- */
+// Describes listening socket, or socket which was accept()-ed by the master
+// thread and queued for future handling by the worker thread.
 struct socket {
-	struct socket	*next;		/* Linkage			*/
-	SOCKET		sock;		/* Listening socket		*/
-	struct usa	lsa;		/* Local socket address		*/
-	struct usa	rsa;		/* Remote socket address	*/
-	bool_t		is_ssl;		/* Is socket SSL-ed		*/
+  struct socket *next;  // Linkage
+  SOCKET  sock;         // Listening socket
+  struct usa lsa;       // Local socket address
+  struct usa rsa;       // Remote socket address
+  bool_t  is_ssl;       // Is socket SSL-ed
 };
 
-/*
- * Mongoose context
- */
 struct mg_context {
-	int		stop_flag;	/* Should we stop event loop	*/
-	SSL_CTX		*ssl_ctx;	/* SSL context			*/
-	const struct mg_config *config;	/* Mongoose configuration	*/
+  int  stop_flag;     // Should we stop event loop
+  SSL_CTX  *ssl_ctx;  // SSL context
+  const struct mg_config *config; // Mongoose configuration
 
-	struct socket	*listening_sockets;
+  struct socket *listening_sockets;
 
-	int		num_threads;	/* Number of threads		*/
-	int		num_idle;	/* Number of idle threads	*/
+  int  num_threads; // Number of threads
+  int  num_idle;    // Number of idle threads
 
-	pthread_mutex_t	mutex;		/* Protects (max|num)_threads	*/
-	pthread_cond_t	thr_cond;	/* Condvar for thread sync	*/
+  pthread_mutex_t mutex;   // Protects (max|num)_threads
+  pthread_cond_t thr_cond; // Condvar for thread sync
 
-	struct socket	queue[20];	/* Accepted sockets		*/
-	int		sq_head;	/* Head of the socket queue	*/
-	int		sq_tail;	/* Tail of the socket queue	*/
-	pthread_cond_t	empty_cond;	/* Socket queue empty condvar	*/
-	pthread_cond_t	full_cond;	/* Socket queue full condvar	*/
+  struct socket queue[20];   // Accepted sockets
+  int  sq_head;              // Head of the socket queue
+  int  sq_tail;              // Tail of the socket queue
+  pthread_cond_t empty_cond; // Socket queue empty condvar
+  pthread_cond_t full_cond;  // Socket queue full condvar
 };
 
-/*
- * Client connection.
- */
 struct mg_connection {
-	struct mg_request_info	request_info;
-	struct mg_context *ctx;		/* Mongoose context we belong to*/
-	SSL		*ssl;		/* SSL descriptor		*/
-	struct socket	client;		/* Connected client		*/
-	time_t		birth_time;	/* Time connection was accepted	*/
-	bool_t		free_post_data;	/* post_data was malloc-ed	*/
-	int64_t		num_bytes_sent;	/* Total bytes sent to client	*/
+  struct mg_request_info request_info;
+  struct mg_context *ctx;
+  SSL  *ssl;               // SSL descriptor
+  struct socket client;    // Connected client
+  time_t  birth_time;      // Time connection was accepted
+  bool_t  free_post_data;  // post_data was malloc-ed
+  int64_t  num_bytes_sent; // Total bytes sent to client
 };
 
-/*
- * Print error message to the opened error log stream.
- */
-static void
-cry(struct mg_connection *conn, const char *fmt, ...)
-{
-	char		buf[BUFSIZ];
-	mg_callback_t	log_callback;
-	enum mg_error_t	processed = MG_ERROR;
-	va_list		ap;
-	FILE		*fp;
-	time_t		timestamp;
-
-	va_start(ap, fmt);
-	(void) vsnprintf(buf, sizeof(buf), fmt, ap);
-	va_end(ap);
-
-	/*
-	 * Do not lock when getting the callback value, here and below.
-	 * I suppose this is fine, since function cannot disappear in the
-	 * same way string option can.
-	 */
-	log_callback = conn->ctx->config->event_log_handler;
-	conn->request_info.log_message = buf;
-	if (log_callback != NULL)
-		processed = log_callback(conn, &conn->request_info);
-	if (processed == MG_ERROR) {
-		fp = conn->ctx->config->error_log_file == NULL ? stderr :
-			mg_fopen(conn->ctx->config->error_log_file, "a+");
-
-		if (fp != NULL) {
-			flockfile(fp);
-			timestamp = time(NULL);
-
-			(void) fprintf(fp,
-			    "[%010lu] [error] [client %s] ",
-			    (unsigned long) timestamp,
-			    inet_ntoa(conn->client.rsa.u.sin.sin_addr));
-
-			if (conn->request_info.request_method != NULL)
-				(void) fprintf(fp, "%s %s: ",
-				    conn->request_info.request_method,
-				    conn->request_info.uri);
-
-			(void) fprintf(fp, "%s", buf);
-			fputc('\n', fp);
-			funlockfile(fp);
-			if (fp != stderr)
-				fclose(fp);
-		}
-	}
-	conn->request_info.log_message = NULL;
-}
-
-/*
- * Print OpenSSL error messages, if any, to the error log.
- */
-static void ssl_cry(struct mg_connection *conn, const char *fmt, ...) {
-	char buf[BUFSIZ];
-	unsigned long err;
-	va_list ap;
-
-	/* Log Mongoose message */
-	va_start(ap, fmt);
-	(void) vsnprintf(buf, sizeof(buf), fmt, ap);
-	va_end(ap);
-	cry(conn, buf);
-	
-	/* Loop through any unlogged OpenSSL errors */
-	while ((err = ERR_get_error()) != 0) {
-		cry(conn, "    --> OpenSSL: %s", ERR_error_string(err, NULL));
-	}
-}
-
-/*
- * Return fake connection structure. Used for logging, if connection
- * is not applicable at the moment of logging.
- */
-static struct mg_connection *
-fc(struct mg_context *ctx)
-{
-	static struct mg_connection fake_connection;
-	fake_connection.ctx = ctx;
-	return (&fake_connection);
-}
-
-const char *
-mg_version(void)
-{
-	return (MONGOOSE_VERSION);
-}
-
-static void
-mg_strlcpy(register char *dst, register const char *src, size_t n)
-{
-	for (; *src != '\0' && n > 1; n--)
-		*dst++ = *src++;
-	*dst = '\0';
-}
-
-static int
-lowercase(const char *s)
-{
-	return (tolower(* (unsigned char *) s));
-}
-
-static int
-mg_strncasecmp(const char *s1, const char *s2, size_t len)
-{
-	int	diff = 0;
-
-	if (len > 0)
-		do {
-			diff = lowercase(s1++) - lowercase(s2++);
-		} while (diff == 0 && s1[-1] != '\0' && --len > 0);
-
-	return (diff);
-}
-
-static int
-mg_strcasecmp(const char *s1, const char *s2)
-{
-	int	diff;
-
-	do {
-		diff = lowercase(s1++) - lowercase(s2++);
-	} while (diff == 0 && s1[-1] != '\0');
+// Print error message to the opened error log stream.
+static void cry(struct mg_connection *conn, const char *fmt, ...) {
+  char buf[BUFSIZ];
+  mg_callback_t log_callback;
+  enum mg_error_t processed = MG_ERROR;
+  va_list ap;
+  FILE *fp;
+  time_t timestamp;
+
+  va_start(ap, fmt);
+  (void) vsnprintf(buf, sizeof(buf), fmt, ap);
+  va_end(ap);
+
+  // Do not lock when getting the callback value, here and below.
+  // I suppose this is fine, since function cannot disappear in the
+  // same way string option can.
+  log_callback = conn->ctx->config->event_log_handler;
+  conn->request_info.log_message = buf;
+  if (log_callback != NULL) {
+    processed = log_callback(conn, &conn->request_info);
+  }
+  if (processed == MG_ERROR) {
+    fp = conn->ctx->config->error_log_file == NULL ? stderr :
+      mg_fopen(conn->ctx->config->error_log_file, "a+");
 
-	return (diff);
+    if (fp != NULL) {
+      flockfile(fp);
+      timestamp = time(NULL);
+
+      (void) fprintf(fp,
+          "[%010lu] [error] [client %s] ",
+          (unsigned long) timestamp,
+          inet_ntoa(conn->client.rsa.u.sin.sin_addr));
+
+      if (conn->request_info.request_method != NULL) {
+        (void) fprintf(fp, "%s %s: ",
+            conn->request_info.request_method,
+            conn->request_info.uri);
+      }
+
+      (void) fprintf(fp, "%s", buf);
+      fputc('\n', fp);
+      funlockfile(fp);
+      if (fp != stderr) {
+        fclose(fp);
+      }
+    }
+  }
+  conn->request_info.log_message = NULL;
 }
 
-static char *
-mg_strndup(const char *ptr, size_t len)
-{
-	char	*p;
+// Return OpenSSL error message
+static const char *ssl_error(void) {
+  unsigned long err;
+  err = ERR_get_error();
+  return err == 0 ? "" : ERR_error_string(err, NULL);
+}
 
-	if ((p = (char *) malloc(len + 1)) != NULL)
-		mg_strlcpy(p, ptr, len + 1);
+// Return fake connection structure. Used for logging, if connection
+// is not applicable at the moment of logging.
+static struct mg_connection *fc(struct mg_context *ctx) {
+  static struct mg_connection fake_connection;
+  fake_connection.ctx = ctx;
+  return &fake_connection;
+}
 
-	return (p);
+const char *mg_version(void) {
+  return MONGOOSE_VERSION;
+}
 
+static void mg_strlcpy(register char *dst, register const char *src, size_t n) {
+  for (; *src != '\0' && n > 1; n--) {
+    *dst++ = *src++;
+  }
+  *dst = '\0';
 }
 
-static char *
-mg_strdup(const char *str)
-{
-	return (mg_strndup(str, strlen(str)));
+static int lowercase(const char *s) {
+  return tolower(* (unsigned char *) s);
 }
 
-/*
- * Like snprintf(), but never returns negative value, or the value
- * that is larger than a supplied buffer.
- * Thanks to Adam Zeldis to pointing snprintf()-caused vulnerability
- * in his audit report.
- */
-static int
-mg_vsnprintf(struct mg_connection *conn,
-		char *buf, size_t buflen, const char *fmt, va_list ap)
-{
-	int	n;
-
-	if (buflen == 0)
-		return (0);
-
-	n = vsnprintf(buf, buflen, fmt, ap);
-
-	if (n < 0) {
-		cry(conn, "vsnprintf error");
-		n = 0;
-	} else if (n >= (int) buflen) {
-		cry(conn, "truncating vsnprintf buffer: [%.*s]",
-		    n > 200 ? 200 : n, buf);
-		n = (int) buflen - 1;
-	}
-	buf[n] = '\0';
-
-	return (n);
-}
-
-static int
-mg_snprintf(struct mg_connection *conn,
-		char *buf, size_t buflen, const char *fmt, ...)
-{
-	va_list	ap;
-	int	n;
-
-	va_start(ap, fmt);
-	n = mg_vsnprintf(conn, buf, buflen, fmt, ap);
-	va_end(ap);
-
-	return (n);
-}
-
-/*
- * Skip the characters until one of the delimiters characters found.
- * 0-terminate resulting word. Skip the rest of the delimiters if any.
- * Advance pointer to buffer to the next word. Return found 0-terminated word.
- */
-static char *
-skip(char **buf, const char *delimiters)
-{
-	char	*p, *begin_word, *end_word, *end_delimiters;
-
-	begin_word = *buf;
-	end_word = begin_word + strcspn(begin_word, delimiters);
-	end_delimiters = end_word + strspn(end_word, delimiters);
-
-	for (p = end_word; p < end_delimiters; p++)
-		*p = '\0';
-
-	*buf = end_delimiters;
-
-	return (begin_word);
-}
-
-/*
- * Return HTTP header value, or NULL if not found.
- */
-static const char *
-get_header(const struct mg_request_info *ri, const char *name)
-{
-	int	i;
-
-	for (i = 0; i < ri->num_headers; i++)
-		if (!mg_strcasecmp(name, ri->http_headers[i].name))
-			return (ri->http_headers[i].value);
-
-	return (NULL);
-}
-
-const char *
-mg_get_header(const struct mg_connection *conn, const char *name)
-{
-	return (get_header(&conn->request_info, name));
-}
-
-/*
- * A helper function for traversing comma separated list of values.
- * It returns a list pointer shifted to the next value, of NULL if the end
- * of the list found.
- * Value is stored in val vector. If value has form "x=y", then eq_val
- * vector is initialized to point to the "y" part, and val vector length
- * is adjusted to point only to "x".
- */
-static const char *
-next_option(const char *list, struct vec *val, struct vec *eq_val)
-{
-	if (list == NULL || *list == '\0') {
-		/* End of the list */
-		list = NULL;
-	} else {
-		val->ptr = list;
-		if ((list = strchr(val->ptr, ',')) != NULL) {
-			/* Comma found. Store length and shift the list ptr */
-			val->len = list - val->ptr;
-			list++;
-		} else {
-			/* This value is the last one */
-			list = val->ptr + strlen(val->ptr);
-			val->len = list - val->ptr;
-		}
-
-		if (eq_val != NULL) {
-			/*
-			 * Value has form "x=y", adjust pointers and lengths
-			 * so that val points to "x", and eq_val points to "y".
-			 */
-			eq_val->len = 0;
-			eq_val->ptr = memchr(val->ptr, '=', val->len);
-			if (eq_val->ptr != NULL) {
-				eq_val->ptr++;  /* Skip over '=' character */
-				eq_val->len = val->ptr + val->len - eq_val->ptr;
-				val->len = (eq_val->ptr - val->ptr) - 1;
-			}
-		}
-	}
-
-	return (list);
-}
-
-#if !(defined(NO_CGI) && defined(NO_SSI))
-/*
- * Verify that given file has certain extension
- */
-static bool_t
-match_extension(const char *path, const char *ext_list)
-{
-	struct vec	ext_vec;
-	size_t		path_len;
-
-	path_len = strlen(path);
-
-	while ((ext_list = next_option(ext_list, &ext_vec, NULL)) != NULL)
-		if (ext_vec.len < path_len &&
-		    mg_strncasecmp(path + path_len - ext_vec.len,
-			    ext_vec.ptr, ext_vec.len) == 0)
-			return (TRUE);
-
-	return (FALSE);
-}
-#endif /* !(NO_CGI && NO_SSI) */
-
-/*
- * Send error message back to the client.
- */
-static void
-send_error(struct mg_connection *conn, int status, const char *reason,
-		const char *fmt, ...)
-{
-	char		buf[BUFSIZ];
-	va_list		ap;
-	int		len;
-	mg_callback_t	error_handler;
-	bool_t		handled;
-
-	DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: %d %s", __func__, status, reason));
-	conn->request_info.status_code = status;
-
-	error_handler = conn->ctx->config->http_error_handler;
-	handled = error_handler ?
-	    error_handler(conn, &conn->request_info) : FALSE;
-
-	if (handled == FALSE) {
-		buf[0] = '\0';
-		len = 0;
-
-		/* Errors 1xx, 204 and 304 MUST NOT send a body */
-		if (status > 199 && status != 204 && status != 304) {
-			len = mg_snprintf(conn, buf, sizeof(buf),
-			    "Error %d: %s\n", status, reason);
-			cry(conn, "%s", buf);
-
-			va_start(ap, fmt);
-			len += mg_vsnprintf(conn, buf + len, sizeof(buf) - len,
-			    fmt, ap);
-			va_end(ap);
-			conn->num_bytes_sent = len;
-		}
-
-		(void) mg_printf(conn,
-		    "HTTP/1.1 %d %s\r\n"
-		    "Content-Type: text/plain\r\n"
-		    "Content-Length: %d\r\n"
-		    "Connection: close\r\n"
-		    "\r\n%s", status, reason, len, buf);
-	}
+static int mg_strncasecmp(const char *s1, const char *s2, size_t len) {
+  int diff = 0;
+
+  if (len > 0)
+    do {
+      diff = lowercase(s1++) - lowercase(s2++);
+    } while (diff == 0 && s1[-1] != '\0' && --len > 0);
+
+  return diff;
 }
 
-#ifdef _WIN32
-static int
-pthread_mutex_init(pthread_mutex_t *mutex, void *unused)
-{
-	unused = NULL;
-	*mutex = CreateMutex(NULL, FALSE, NULL);
-	return (*mutex == NULL ? -1 : 0);
-}
-
-static int
-pthread_mutex_destroy(pthread_mutex_t *mutex)
-{
-	return (CloseHandle(*mutex) == 0 ? -1 : 0);
-}
-
-static int
-pthread_mutex_lock(pthread_mutex_t *mutex)
-{
-	return (WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1);
-}
-
-static int
-pthread_mutex_unlock(pthread_mutex_t *mutex)
-{
-	return (ReleaseMutex(*mutex) == 0 ? -1 : 0);
-}
-
-static int
-pthread_cond_init(pthread_cond_t *cv, const void *unused)
-{
-	unused = NULL;
-	*cv = CreateEvent(NULL, FALSE, FALSE, NULL);
-	return (*cv == NULL ? -1 : 0);
-}
-
-static int
-pthread_cond_timedwait(pthread_cond_t *cv, pthread_mutex_t *mutex,
-	const struct timespec *ts)
-{
-	DWORD	status;
-	DWORD	msec = INFINITE;
-	time_t	now;
-	
-	if (ts != NULL) {
-		now = time(NULL);
-		msec = 1000 * (now > ts->tv_sec ? 0 : ts->tv_sec - now);
-	}
-
-	(void) ReleaseMutex(*mutex);
-	status = WaitForSingleObject(*cv, msec);
-	(void) WaitForSingleObject(*mutex, INFINITE);
-	
-	return (status == WAIT_OBJECT_0 ? 0 : -1);
-}
-
-static int
-pthread_cond_wait(pthread_cond_t *cv, pthread_mutex_t *mutex)
-{
-	return (pthread_cond_timedwait(cv, mutex, NULL));
-}
-
-static int
-pthread_cond_signal(pthread_cond_t *cv)
-{
-	return (SetEvent(*cv) == 0 ? -1 : 0);
-}
-
-static int
-pthread_cond_destroy(pthread_cond_t *cv)
-{
-	return (CloseHandle(*cv) == 0 ? -1 : 0);
-}
-
-static pthread_t
-pthread_self(void)
-{
-	return (GetCurrentThreadId());
-}
-
-/*
- * Change all slashes to backslashes. It is Windows.
- */
-static void
-fix_directory_separators(char *path)
-{
-	int	i;
-
-	for (i = 0; path[i] != '\0'; i++) {
-		if (path[i] == '/')
-			path[i] = '\\';
-		/* i > 0 check is to preserve UNC paths, \\server\file.txt */
-		if (path[i] == '\\' && i > 0)
-			while (path[i + 1] == '\\' || path[i + 1] == '/')
-				(void) memmove(path + i + 1,
-				    path + i + 2, strlen(path + i + 1));
-	}
-}
-
-/*
- * Encode 'path' which is assumed UTF-8 string, into UNICODE string.
- * wbuf and wbuf_len is a target buffer and its length.
- */
-static void
-to_unicode(const char *path, wchar_t *wbuf, size_t wbuf_len)
-{
-	char	buf[FILENAME_MAX], *p;
-
-	mg_strlcpy(buf, path, sizeof(buf));
-	fix_directory_separators(buf);
-
-	/* Point p to the end of the file name */
-	p = buf + strlen(buf) - 1;
-
-	/* Trim trailing backslash character */
-	while (p > buf && *p == '\\' && p[-1] != ':')
-		*p-- = '\0';
-
-	/*
-	 * Protect from CGI code disclosure.
-	 * This is very nasty hole. Windows happily opens files with
-	 * some garbage in the end of file name. So fopen("a.cgi    ", "r")
-	 * actually opens "a.cgi", and does not return an error!
-	 */
-	if (*p == 0x20 ||               /* No space at the end */
-	    (*p == 0x2e && p > buf) ||  /* No '.' but allow '.' as full path */
-	    *p == 0x2b ||               /* No '+' */
-	    (*p & ~0x7f)) {             /* And generally no non-ascii chars */
-		(void) fprintf(stderr, "Rejecting suspicious path: [%s]", buf);
-		buf[0] = '\0';
-	}
-
-	(void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, (int) wbuf_len);
+static int mg_strcasecmp(const char *s1, const char *s2) {
+  int diff;
+
+  do {
+    diff = lowercase(s1++) - lowercase(s2++);
+  } while (diff == 0 && s1[-1] != '\0');
+
+  return diff;
 }
 
-#if defined(_WIN32_WCE)
+static char * mg_strndup(const char *ptr, size_t len) {
+  char *p;
 
-static time_t
-time(time_t *ptime)
-{
-	time_t		t;
-	SYSTEMTIME	st;
-	FILETIME	ft;
-
-	GetSystemTime(&st);
-	SystemTimeToFileTime(&st, &ft);
-	t = SYS2UNIX_TIME(ft.dwLowDateTime, ft.dwHighDateTime);
-
-	if (ptime != NULL)
-		*ptime = t;
-
-	return (t);
-}
-
-static time_t
-mktime(struct tm *ptm)
-{
-	SYSTEMTIME	st;
-	FILETIME	ft, lft;
-
-	st.wYear = ptm->tm_year + 1900;
-	st.wMonth = ptm->tm_mon + 1;
-	st.wDay = ptm->tm_mday;
-	st.wHour = ptm->tm_hour;
-	st.wMinute = ptm->tm_min;
-	st.wSecond = ptm->tm_sec;
-	st.wMilliseconds = 0;
-
-	SystemTimeToFileTime(&st, &ft);
-	LocalFileTimeToFileTime(&ft, &lft);
-	return (time_t)((MAKEUQUAD(lft.dwLowDateTime, lft.dwHighDateTime) -
-	    EPOCH_DIFF) / RATE_DIFF);
-}
-
-static struct tm *
-localtime(const time_t *ptime, struct tm *ptm)
-{
-	int64_t	t = ((int64_t)*ptime) * RATE_DIFF + EPOCH_DIFF;
-	FILETIME	ft, lft;
-	SYSTEMTIME	st;
-	TIME_ZONE_INFORMATION	tzinfo;
-
-	if (ptm == NULL)
-		return NULL;
-
-	* (int64_t *) &ft = t;
-	FileTimeToLocalFileTime(&ft, &lft);
-	FileTimeToSystemTime(&lft, &st);
-	ptm->tm_year = st.wYear - 1900;
-	ptm->tm_mon = st.wMonth - 1;
-	ptm->tm_wday = st.wDayOfWeek;
-	ptm->tm_mday = st.wDay;
-	ptm->tm_hour = st.wHour;
-	ptm->tm_min = st.wMinute;
-	ptm->tm_sec = st.wSecond;
-	ptm->tm_yday = 0; // hope nobody uses this
-	ptm->tm_isdst = ((GetTimeZoneInformation(&tzinfo) ==
-	    TIME_ZONE_ID_DAYLIGHT) ? 1 : 0);
-
-	return ptm;
-}
-
-static size_t
-strftime(char *dst, size_t dst_size, const char *fmt, const struct tm *tm)
-{
-	(void) snprintf(dst, dst_size, "implement strftime() for WinCE");
-	return (0);
-}	
-#endif
+  if ((p = (char *) malloc(len + 1)) != NULL) {
+    mg_strlcpy(p, ptr, len + 1);
+  }
+
+  return p;
+}
+
+static char * mg_strdup(const char *str) {
+  return mg_strndup(str, strlen(str));
+}
+
+// Like snprintf(), but never returns negative value, or the value
+// that is larger than a supplied buffer.
+// Thanks to Adam Zeldis to pointing snprintf()-caused vulnerability
+// in his audit report.
+static int mg_vsnprintf(struct mg_connection *conn, char *buf, size_t buflen,
+                        const char *fmt, va_list ap) {
+  int n;
 
-static int
-mg_rename(const char* oldname, const char* newname)
-{
-	wchar_t	woldbuf[FILENAME_MAX];
-	wchar_t	wnewbuf[FILENAME_MAX];
+  if (buflen == 0)
+    return 0;
 
-	to_unicode(oldname, woldbuf, ARRAY_SIZE(woldbuf));
-	to_unicode(newname, wnewbuf, ARRAY_SIZE(wnewbuf));
+  n = vsnprintf(buf, buflen, fmt, ap);
 
-	return (MoveFileW(woldbuf, wnewbuf) ? 0 : -1);
+  if (n < 0) {
+    cry(conn, "vsnprintf error");
+    n = 0;
+  } else if (n >= (int) buflen) {
+    cry(conn, "truncating vsnprintf buffer: [%.*s]",
+        n > 200 ? 200 : n, buf);
+    n = (int) buflen - 1;
+  }
+  buf[n] = '\0';
+
+  return n;
 }
 
+static int mg_snprintf(struct mg_connection *conn, char *buf, size_t buflen,
+                       const char *fmt, ...) {
+  va_list ap;
+  int n;
+
+  va_start(ap, fmt);
+  n = mg_vsnprintf(conn, buf, buflen, fmt, ap);
+  va_end(ap);
+
+  return n;
+}
 
-static FILE *
-mg_fopen(const char *path, const char *mode)
-{
-	wchar_t	wbuf[FILENAME_MAX], wmode[20];
+// Skip the characters until one of the delimiters characters found.
+// 0-terminate resulting word. Skip the rest of the delimiters if any.
+// Advance pointer to buffer to the next word. Return found 0-terminated word.
+static char *skip(char **buf, const char *delimiters) {
+  char *p, *begin_word, *end_word, *end_delimiters;
 
-	to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
-	MultiByteToWideChar(CP_UTF8, 0, mode, -1, wmode, ARRAY_SIZE(wmode));
+  begin_word = *buf;
+  end_word = begin_word + strcspn(begin_word, delimiters);
+  end_delimiters = end_word + strspn(end_word, delimiters);
 
-	return (_wfopen(wbuf, wmode));
+  for (p = end_word; p < end_delimiters; p++) {
+    *p = '\0';
+  }
+
+  *buf = end_delimiters;
+
+  return begin_word;
 }
 
-static int
-mg_stat(const char *path, struct mgstat *stp)
-{
-	int				ok = -1; /* Error */
-	wchar_t				wbuf[FILENAME_MAX];
-	WIN32_FILE_ATTRIBUTE_DATA	info;
+// Return HTTP header value, or NULL if not found.
+static const char *get_header(const struct mg_request_info *ri,
+                              const char *name) {
+  int i;
 
-	to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
+  for (i = 0; i < ri->num_headers; i++)
+    if (!mg_strcasecmp(name, ri->http_headers[i].name))
+      return ri->http_headers[i].value;
 
-	if (GetFileAttributesExW(wbuf, GetFileExInfoStandard, &info) != 0) {
-		stp->size = MAKEUQUAD(info.nFileSizeLow, info.nFileSizeHigh);
-		stp->mtime = SYS2UNIX_TIME(info.ftLastWriteTime.dwLowDateTime,
-		    info.ftLastWriteTime.dwHighDateTime);
-		stp->is_directory =
-		    info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
-		ok = 0;  /* Success */
-	}
+  return NULL;
+}
 
-	return (ok);
+const char *mg_get_header(const struct mg_connection *conn, const char *name) {
+  return get_header(&conn->request_info, name);
 }
 
-static int
-mg_remove(const char *path)
-{
-	wchar_t	wbuf[FILENAME_MAX];
+// A helper function for traversing comma separated list of values.
+// It returns a list pointer shifted to the next value, of NULL if the end
+// of the list found.
+// Value is stored in val vector. If value has form "x=y", then eq_val
+// vector is initialized to point to the "y" part, and val vector length
+// is adjusted to point only to "x".
+static const char *next_option(const char *list, struct vec *val,
+                               struct vec *eq_val) {
+  if (list == NULL || *list == '\0') {
+    /* End of the list */
+    list = NULL;
+  } else {
+    val->ptr = list;
+    if ((list = strchr(val->ptr, ',')) != NULL) {
+      /* Comma found. Store length and shift the list ptr */
+      val->len = list - val->ptr;
+      list++;
+    } else {
+      /* This value is the last one */
+      list = val->ptr + strlen(val->ptr);
+      val->len = list - val->ptr;
+    }
 
-	to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
+    if (eq_val != NULL) {
+      /*
+       * Value has form "x=y", adjust pointers and lengths
+       * so that val points to "x", and eq_val points to "y".
+       */
+      eq_val->len = 0;
+      eq_val->ptr = memchr(val->ptr, '=', val->len);
+      if (eq_val->ptr != NULL) {
+        eq_val->ptr++;  /* Skip over '=' character */
+        eq_val->len = val->ptr + val->len - eq_val->ptr;
+        val->len = (eq_val->ptr - val->ptr) - 1;
+      }
+    }
+  }
+
+  return list;
+}
 
-	return (DeleteFileW(wbuf) ? 0 : -1);
+#if !defined(NO_CGI)
+static bool_t match_extension(const char *path, const char *ext_list) {
+  struct vec ext_vec;
+  size_t path_len;
+
+  path_len = strlen(path);
+
+  while ((ext_list = next_option(ext_list, &ext_vec, NULL)) != NULL)
+    if (ext_vec.len < path_len &&
+        mg_strncasecmp(path + path_len - ext_vec.len,
+          ext_vec.ptr, ext_vec.len) == 0)
+      return TRUE;
+
+  return FALSE;
+}
+#endif // !NO_CGI
+
+static void send_http_error(struct mg_connection *conn, int status,
+                            const char *reason, const char *fmt, ...) {
+  char buf[BUFSIZ];
+  va_list ap;
+  int len;
+  mg_callback_t error_handler;
+  bool_t handled;
+
+  DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: %d %s", __func__, status, reason));
+  conn->request_info.status_code = status;
+
+  error_handler = conn->ctx->config->http_error_handler;
+  handled = error_handler ?
+    error_handler(conn, &conn->request_info) : FALSE;
+
+  if (handled == FALSE) {
+    buf[0] = '\0';
+    len = 0;
+
+    /* Errors 1xx, 204 and 304 MUST NOT send a body */
+    if (status > 199 && status != 204 && status != 304) {
+      len = mg_snprintf(conn, buf, sizeof(buf),
+          "Error %d: %s\n", status, reason);
+      cry(conn, "%s", buf);
+
+      va_start(ap, fmt);
+      len += mg_vsnprintf(conn, buf + len, sizeof(buf) - len,
+          fmt, ap);
+      va_end(ap);
+      conn->num_bytes_sent = len;
+    }
+
+    (void) mg_printf(conn,
+        "HTTP/1.1 %d %s\r\n"
+        "Content-Type: text/plain\r\n"
+        "Content-Length: %d\r\n"
+        "Connection: close\r\n"
+        "\r\n%s", status, reason, len, buf);
+  }
 }
 
-static int
-mg_mkdir(const char *path, int mode)
-{
-	char	buf[FILENAME_MAX];
-	wchar_t	wbuf[FILENAME_MAX];
+#ifdef _WIN32
+static int pthread_mutex_init(pthread_mutex_t *mutex, void *unused) {
+  unused = NULL;
+  *mutex = CreateMutex(NULL, FALSE, NULL);
+  return *mutex == NULL ? -1 : 0;
+}
 
-	mode = 0; /* Unused */
-	mg_strlcpy(buf, path, sizeof(buf));
-	fix_directory_separators(buf);
+static int pthread_mutex_destroy(pthread_mutex_t *mutex) {
+  return CloseHandle(*mutex) == 0 ? -1 : 0;
+}
+
+static int pthread_mutex_lock(pthread_mutex_t *mutex) {
+  return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
+}
 
-	(void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, sizeof(wbuf));
+static int pthread_mutex_unlock(pthread_mutex_t *mutex) {
+  return ReleaseMutex(*mutex) == 0 ? -1 : 0;
+}
 
-	return (CreateDirectoryW(wbuf, NULL) ? 0 : -1);
+static int pthread_cond_init(pthread_cond_t *cv, const void *unused) {
+  unused = NULL;
+  *cv = CreateEvent(NULL, FALSE, FALSE, NULL);
+  return *cv == NULL ? -1 : 0;
 }
 
-/*
- * Implementation of POSIX opendir/closedir/readdir for Windows.
- */
-static DIR *
-opendir(const char *name)
-{
-	DIR	*dir = NULL;
-	wchar_t	wpath[FILENAME_MAX];
-	DWORD attrs;
+static int pthread_cond_timedwait(pthread_cond_t *cv, pthread_mutex_t *mutex,
+                                  const struct timespec *ts) {
+  DWORD status;
+  DWORD msec = INFINITE;
+  time_t now;
+
+  if (ts != NULL) {
+    now = time(NULL);
+    msec = 1000 * (now > ts->tv_sec ? 0 : ts->tv_sec - now);
+  }
 
-	if (name == NULL) {
-		SetLastError(ERROR_BAD_ARGUMENTS);
-	} else if ((dir = (DIR *) malloc(sizeof(*dir))) == NULL) {
-		SetLastError(ERROR_NOT_ENOUGH_MEMORY);
-	} else {
-		to_unicode(name, wpath, ARRAY_SIZE(wpath));
-		attrs = GetFileAttributesW(wpath);
-		if (attrs != 0xFFFFFFFF &&
-		    ((attrs & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY)) {
-			(void) wcscat(wpath, L"\\*");
-			dir->handle = FindFirstFileW(wpath, &dir->info);
-			dir->result.d_name[0] = '\0';
-		} else {
-			free(dir);
-			dir = NULL;
-		}
-	}
+  (void) ReleaseMutex(*mutex);
+  status = WaitForSingleObject(*cv, msec);
+  (void) WaitForSingleObject(*mutex, INFINITE);
+
+  return status == WAIT_OBJECT_0 ? 0 : -1;
+}
 
-	return (dir);
+static int pthread_cond_wait(pthread_cond_t *cv, pthread_mutex_t *mutex) {
+  return pthread_cond_timedwait(cv, mutex, NULL);
 }
 
-static int
-closedir(DIR *dir)
-{
-	int result = 0;
+static int pthread_cond_signal(pthread_cond_t *cv) {
+  return SetEvent(*cv) == 0 ? -1 : 0;
+}
+
+static int pthread_cond_destroy(pthread_cond_t *cv) {
+  return CloseHandle(*cv) == 0 ? -1 : 0;
+}
 
-	if (dir != NULL) {
-		if (dir->handle != INVALID_HANDLE_VALUE)
-			result = FindClose(dir->handle) ? 0 : -1;
+static pthread_t pthread_self(void) {
+  return GetCurrentThreadId();
+}
 
-		free(dir);
-	} else {
-		result = -1;
-		SetLastError(ERROR_BAD_ARGUMENTS);
-	}
+// For Windows, change all slashes to backslashes in path names.
+static void change_slashes_to_backslashes(char *path) {
+  int i;
 
-	return (result);
+  for (i = 0; path[i] != '\0'; i++) {
+    if (path[i] == '/')
+      path[i] = '\\';
+    // i > 0 check is to preserve UNC paths, like \\server\file.txt
+    if (path[i] == '\\' && i > 0)
+      while (path[i + 1] == '\\' || path[i + 1] == '/')
+        (void) memmove(path + i + 1,
+            path + i + 2, strlen(path + i + 1));
+  }
 }
 
-struct dirent *
-readdir(DIR *dir)
-{
-	struct dirent *result = 0;
+// Encode 'path' which is assumed UTF-8 string, into UNICODE string.
+// wbuf and wbuf_len is a target buffer and its length.
+static void to_unicode(const char *path, wchar_t *wbuf, size_t wbuf_len) {
+  char buf[FILENAME_MAX], *p;
+
+  mg_strlcpy(buf, path, sizeof(buf));
+  change_slashes_to_backslashes(buf);
 
-	if (dir) {
-		if (dir->handle != INVALID_HANDLE_VALUE) {
-			result = &dir->result;
-			(void) WideCharToMultiByte(CP_UTF8, 0,
-			    dir->info.cFileName, -1, result->d_name,
-			    sizeof(result->d_name), NULL, NULL);
+  // Point p to the end of the file name
+  p = buf + strlen(buf) - 1;
 
-			if (!FindNextFileW(dir->handle, &dir->info)) {
-				(void) FindClose(dir->handle);
-				dir->handle = INVALID_HANDLE_VALUE;
-			}
+  // Trim trailing backslash character
+  while (p > buf && *p == '\\' && p[-1] != ':') {
+    *p-- = '\0';
+  }
 
-		} else {
-			SetLastError(ERROR_FILE_NOT_FOUND);
-		}
-	} else {
-		SetLastError(ERROR_BAD_ARGUMENTS);
-	}
+   // Protect from CGI code disclosure.
+   // This is very nasty hole. Windows happily opens files with
+   // some garbage in the end of file name. So fopen("a.cgi    ", "r")
+   // actually opens "a.cgi", and does not return an error!
+  if (*p == 0x20 ||               // No space at the end
+      (*p == 0x2e && p > buf) ||  // No '.' but allow '.' as full path
+      *p == 0x2b ||               // No '+'
+      (*p & ~0x7f)) {             // And generally no non-ascii chars
+    (void) fprintf(stderr, "Rejecting suspicious path: [%s]", buf);
+    buf[0] = '\0';
+  }
 
-	return (result);
+  (void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, (int) wbuf_len);
 }
 
-#define	set_close_on_exec(fd)	/* No FD_CLOEXEC on Windows */
+#if defined(_WIN32_WCE)
+static time_t time(time_t *ptime) {
+  time_t t;
+  SYSTEMTIME st;
+  FILETIME ft;
+
+  GetSystemTime(&st);
+  SystemTimeToFileTime(&st, &ft);
+  t = SYS2UNIX_TIME(ft.dwLowDateTime, ft.dwHighDateTime);
+
+  if (ptime != NULL) {
+    *ptime = t;
+  }
+
+  return t;
+}
+
+static time_t mktime(struct tm *ptm) {
+  SYSTEMTIME st;
+  FILETIME ft, lft;
+
+  st.wYear = ptm->tm_year + 1900;
+  st.wMonth = ptm->tm_mon + 1;
+  st.wDay = ptm->tm_mday;
+  st.wHour = ptm->tm_hour;
+  st.wMinute = ptm->tm_min;
+  st.wSecond = ptm->tm_sec;
+  st.wMilliseconds = 0;
+
+  SystemTimeToFileTime(&st, &ft);
+  LocalFileTimeToFileTime(&ft, &lft);
+  return (time_t) ((MAKEUQUAD(lft.dwLowDateTime, lft.dwHighDateTime) -
+                    EPOCH_DIFF) / RATE_DIFF);
+}
+
+static struct tm *localtime(const time_t *ptime, struct tm *ptm) {
+  int64_t t = ((int64_t) *ptime) * RATE_DIFF + EPOCH_DIFF;
+  FILETIME ft, lft;
+  SYSTEMTIME st;
+  TIME_ZONE_INFORMATION tzinfo;
+
+  if (ptm == NULL) {
+    return NULL;
+  }
+
+  * (int64_t *) &ft = t;
+  FileTimeToLocalFileTime(&ft, &lft);
+  FileTimeToSystemTime(&lft, &st);
+  ptm->tm_year = st.wYear - 1900;
+  ptm->tm_mon = st.wMonth - 1;
+  ptm->tm_wday = st.wDayOfWeek;
+  ptm->tm_mday = st.wDay;
+  ptm->tm_hour = st.wHour;
+  ptm->tm_min = st.wMinute;
+  ptm->tm_sec = st.wSecond;
+  ptm->tm_yday = 0; // hope nobody uses this
+  ptm->tm_isdst =
+    GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_DAYLIGHT ? 1 : 0;
+
+  return ptm;
+}
+
+static size_t strftime(char *dst, size_t dst_size, const char *fmt,
+                       const struct tm *tm) {
+  (void) snprintf(dst, dst_size, "implement strftime() for WinCE");
+  return 0;
+} 
+#endif
+
+static int mg_rename(const char* oldname, const char* newname) {
+  wchar_t woldbuf[FILENAME_MAX];
+  wchar_t wnewbuf[FILENAME_MAX];
+
+  to_unicode(oldname, woldbuf, ARRAY_SIZE(woldbuf));
+  to_unicode(newname, wnewbuf, ARRAY_SIZE(wnewbuf));
+
+  return MoveFileW(woldbuf, wnewbuf) ? 0 : -1;
+}
 
-static int
-start_thread(struct mg_context *ctx, mg_thread_func_t func, void *param)
-{
-	HANDLE	hThread;
 
-	ctx = NULL;	/* Unused */
-	
-	hThread = CreateThread(NULL, 0,
-	    (LPTHREAD_START_ROUTINE) func, param, 0, NULL);
+static FILE *mg_fopen(const char *path, const char *mode) {
+  wchar_t wbuf[FILENAME_MAX], wmode[20];
 
-	if (hThread != NULL)
-		(void) CloseHandle(hThread);
+  to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
+  MultiByteToWideChar(CP_UTF8, 0, mode, -1, wmode, ARRAY_SIZE(wmode));
 
-	return (hThread == NULL ? -1 : 0);
+  return _wfopen(wbuf, wmode);
 }
 
-static HANDLE
-dlopen(const char *dll_name, int flags)
-{
-	wchar_t	wbuf[FILENAME_MAX];
+static int mg_stat(const char *path, struct mgstat *stp) {
+  int ok = -1; // Error
+  wchar_t wbuf[FILENAME_MAX];
+  WIN32_FILE_ATTRIBUTE_DATA info;
+
+  to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
 
-	flags = 0; /* Unused */
-	to_unicode(dll_name, wbuf, ARRAY_SIZE(wbuf));
-
-	return (LoadLibraryW(wbuf));
+  if (GetFileAttributesExW(wbuf, GetFileExInfoStandard, &info) != 0) {
+    stp->size = MAKEUQUAD(info.nFileSizeLow, info.nFileSizeHigh);
+    stp->mtime = SYS2UNIX_TIME(info.ftLastWriteTime.dwLowDateTime,
+        info.ftLastWriteTime.dwHighDateTime);
+    stp->is_directory =
+      info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
+    ok = 0;  // Success
+  }
+
+  return ok;
 }
 
-#if !defined(NO_CGI)
-static int
-kill(pid_t pid, int sig_num)
-{
-	(void) TerminateProcess(pid, sig_num);
-	(void) CloseHandle(pid);
-	return (0);
-}
-
-static pid_t
-spawn_process(struct mg_connection *conn, const char *prog, char *envblk,
-		char *envp[], int fd_stdin, int fd_stdout, const char *dir)
-{
-	HANDLE	me;
-	char	*p, *interp, cmdline[FILENAME_MAX], line[FILENAME_MAX];
-	FILE	*fp;
-	STARTUPINFOA		si;
-	PROCESS_INFORMATION	pi;
-
-	envp = NULL; /* Unused */
-
-	(void) memset(&si, 0, sizeof(si));
-	(void) memset(&pi, 0, sizeof(pi));
-
-	/* XXX redirect CGI errors to the error log file */
-	si.cb		= sizeof(si);
-	si.dwFlags	= STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
-	si.wShowWindow	= SW_HIDE;
-
-	me = GetCurrentProcess();
-	(void) DuplicateHandle(me, (HANDLE) _get_osfhandle(fd_stdin), me,
-	    &si.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
-	(void) DuplicateHandle(me, (HANDLE) _get_osfhandle(fd_stdout), me,
-	    &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
-
-	/* If CGI file is a script, try to read the interpreter line */
-	interp = conn->ctx->options[OPT_CGI_INTERPRETER];
-	if (interp == NULL) {
-		line[2] = '\0';
-		(void) mg_snprintf(conn, cmdline, sizeof(cmdline), "%s%c%s",
-		    dir, DIRSEP, prog);
-		if ((fp = fopen(cmdline, "r")) != NULL) {
-			(void) fgets(line, sizeof(line), fp);
-			if (memcmp(line, "#!", 2) != 0)
-				line[2] = '\0';
-			/* Trim whitespaces from interpreter name */
-			for (p = &line[strlen(line) - 1]; p > line &&
-			    isspace(*p); p--)
-				*p = '\0';
-			(void) fclose(fp);
-		}
-		interp = line + 2;
-	}
-
-	if ((p = (char *) strrchr(prog, '/')) != NULL)
-		prog = p + 1;
-
-	(void) mg_snprintf(conn, cmdline, sizeof(cmdline), "%s%s%s",
-	    interp, interp[0] == '\0' ? "" : " ", prog);
-
-	(void) mg_snprintf(conn, line, sizeof(line), "%s", dir);
-	fix_directory_separators(line);
-
-	DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: Running [%s]", __func__, cmdline));
-	if (CreateProcessA(NULL, cmdline, NULL, NULL, TRUE,
-	    CREATE_NEW_PROCESS_GROUP, envblk, line, &si, &pi) == 0) {
-		cry(conn, "%s: CreateProcess(%s): %d",
-		    __func__, cmdline, ERRNO);
-		pi.hProcess = (pid_t) -1;
-	} else {
-		(void) close(fd_stdin);
-		(void) close(fd_stdout);
-	}
-
-	(void) CloseHandle(si.hStdOutput);
-	(void) CloseHandle(si.hStdInput);
-	(void) CloseHandle(pi.hThread);
-
-	return ((pid_t) pi.hProcess);
-}
-
-static int
-pipe(int *fds)
-{
-	return (_pipe(fds, BUFSIZ, _O_BINARY));
+static int mg_remove(const char *path) {
+  wchar_t wbuf[FILENAME_MAX];
+  to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
+  return DeleteFileW(wbuf) ? 0 : -1;
 }
-#endif /* !NO_CGI */
 
-static int
-set_non_blocking_mode(struct mg_connection *conn, SOCKET sock)
-{
-	unsigned long	on = 1;
+static int mg_mkdir(const char *path, int mode) {
+  char buf[FILENAME_MAX];
+  wchar_t wbuf[FILENAME_MAX];
+
+  mode = 0; // Unused
+  mg_strlcpy(buf, path, sizeof(buf));
+  change_slashes_to_backslashes(buf);
+
+  (void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, sizeof(wbuf));
 
-	conn = NULL; /* unused */
-	return (ioctlsocket(sock, FIONBIO, &on));
+  return CreateDirectoryW(wbuf, NULL) ? 0 : -1;
 }
 
-#else
+// Implementation of POSIX opendir/closedir/readdir for Windows.
+static DIR * opendir(const char *name) {
+  DIR *dir = NULL;
+  wchar_t wpath[FILENAME_MAX];
+  DWORD attrs;
+
+  if (name == NULL) {
+    SetLastError(ERROR_BAD_ARGUMENTS);
+  } else if ((dir = (DIR *) malloc(sizeof(*dir))) == NULL) {
+    SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+  } else {
+    to_unicode(name, wpath, ARRAY_SIZE(wpath));
+    attrs = GetFileAttributesW(wpath);
+    if (attrs != 0xFFFFFFFF &&
+        ((attrs & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY)) {
+      (void) wcscat(wpath, L"\\*");
+      dir->handle = FindFirstFileW(wpath, &dir->info);
+      dir->result.d_name[0] = '\0';
+    } else {
+      free(dir);
+      dir = NULL;
+    }
+  }
+
+  return dir;
+}
 
-static int
-mg_stat(const char *path, struct mgstat *stp)
-{
-	struct stat	st;
-	int		ok;
+static int closedir(DIR *dir) {
+  int result = 0;
 
-	if (stat(path, &st) == 0) {
-		ok = 0;
-		stp->size = st.st_size;
-		stp->mtime = st.st_mtime;
-		stp->is_directory = S_ISDIR(st.st_mode);
-	} else {
-		ok = -1;
-	}
+  if (dir != NULL) {
+    if (dir->handle != INVALID_HANDLE_VALUE)
+      result = FindClose(dir->handle) ? 0 : -1;
 
-	return (ok);
+    free(dir);
+  } else {
+    result = -1;
+    SetLastError(ERROR_BAD_ARGUMENTS);
+  }
+
+  return result;
 }
 
-static void
-set_close_on_exec(int fd)
-{
-	(void) fcntl(fd, F_SETFD, FD_CLOEXEC);
+struct dirent * readdir(DIR *dir) {
+  struct dirent *result = 0;
+
+  if (dir) {
+    if (dir->handle != INVALID_HANDLE_VALUE) {
+      result = &dir->result;
+      (void) WideCharToMultiByte(CP_UTF8, 0,
+          dir->info.cFileName, -1, result->d_name,
+          sizeof(result->d_name), NULL, NULL);
+
+      if (!FindNextFileW(dir->handle, &dir->info)) {
+        (void) FindClose(dir->handle);
+        dir->handle = INVALID_HANDLE_VALUE;
+      }
+
+    } else {
+      SetLastError(ERROR_FILE_NOT_FOUND);
+    }
+  } else {
+    SetLastError(ERROR_BAD_ARGUMENTS);
+  }
+
+  return result;
 }
 
-static int
-start_thread(struct mg_context *ctx, mg_thread_func_t func, void *param)
-{
-	pthread_t	thread_id;
-	pthread_attr_t	attr;
-	int		retval;
+#define set_close_on_exec(fd) // No FD_CLOEXEC on Windows
 
-	(void) pthread_attr_init(&attr);
-	(void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-	(void) pthread_attr_setstacksize(&attr,
-		       	sizeof(struct mg_connection) * 2);
+static int start_thread(struct mg_context *ctx, mg_thread_func_t func,
+                        void *param) {
+  HANDLE hThread;
+  ctx = NULL; // Unused
 
+  hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) func, param, 0,
+                         NULL);
+  if (hThread != NULL) {
+    (void) CloseHandle(hThread);
+  }
+
+  return hThread == NULL ? -1 : 0;
+}
 
-	if ((retval = pthread_create(&thread_id, &attr, func, param)) != 0)
-		cry(fc(ctx), "%s: %s", __func__, strerror(retval));
+static HANDLE dlopen(const char *dll_name, int flags) {
+  wchar_t wbuf[FILENAME_MAX];
 
-	return (retval);
+  flags = 0; // Unused
+  to_unicode(dll_name, wbuf, ARRAY_SIZE(wbuf));
+
+  return LoadLibraryW(wbuf);
 }
 
-#ifndef NO_CGI
-static pid_t
-spawn_process(struct mg_connection *conn, const char *prog, char *envblk,
-		char *envp[], int fd_stdin, int fd_stdout, const char *dir)
-{
-	pid_t		pid;
-	const char	*interp;
-
-	envblk = NULL;	/* unused */
-
-	if ((pid = fork()) == -1) {
-		/* Parent */
-		send_error(conn, 500, http_500_error,
-		    "fork(): %s", strerror(ERRNO));
-	} else if (pid == 0) {
-		/* Child */
-		if (chdir(dir) != 0) {
-			cry(conn, "%s: chdir(%s): %s",
-			    __func__, dir, strerror(ERRNO));
-		} else if (dup2(fd_stdin, 0) == -1) {
-			cry(conn, "%s: dup2(stdin, %d): %s",
-			    __func__, fd_stdin, strerror(ERRNO));
-		} else if (dup2(fd_stdout, 1) == -1) {
-			cry(conn, "%s: dup2(stdout, %d): %s",
-			    __func__, fd_stdout, strerror(ERRNO));
-		} else {
-			(void) dup2(fd_stdout, 2);
-			(void) close(fd_stdin);
-			(void) close(fd_stdout);
-
-			/* Execute CGI program. No need to lock: new process */
-			interp = conn->ctx->config->cgi_interpreter;
-			if (interp == NULL) {
-				(void) execle(prog, prog, NULL, envp);
-				cry(conn, "%s: execle(%s): %s",
-				    __func__, prog, strerror(ERRNO));
-			} else {
-				(void) execle(interp, interp, prog, NULL, envp);
-				cry(conn, "%s: execle(%s %s): %s",
-				    __func__, interp, prog, strerror(ERRNO));
-			}
-		}
-		exit(EXIT_FAILURE);
-	} else {
-		/* Parent. Close stdio descriptors */
-		(void) close(fd_stdin);
-		(void) close(fd_stdout);
-	}
-
-	return (pid);
+#if !defined(NO_CGI)
+static int kill(pid_t pid, int sig_num) {
+  (void) TerminateProcess(pid, sig_num);
+  (void) CloseHandle(pid);
+  return 0;
+}
+
+static pid_t spawn_process(struct mg_connection *conn, const char *prog,
+                           char *envblk, char *envp[], int fd_stdin,
+                           int fd_stdout, const char *dir) {
+  HANDLE me;
+  char *p, *interp, cmdline[FILENAME_MAX], line[FILENAME_MAX];
+  FILE *fp;
+  STARTUPINFOA si;
+  PROCESS_INFORMATION pi;
+
+  envp = NULL; // Unused
+
+  (void) memset(&si, 0, sizeof(si));
+  (void) memset(&pi, 0, sizeof(pi));
+
+  // TODO(lsm): redirect CGI errors to the error log file
+  si.cb  = sizeof(si);
+  si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
+  si.wShowWindow = SW_HIDE;
+
+  me = GetCurrentProcess();
+  (void) DuplicateHandle(me, (HANDLE) _get_osfhandle(fd_stdin), me,
+      &si.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
+  (void) DuplicateHandle(me, (HANDLE) _get_osfhandle(fd_stdout), me,
+      &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
+
+  // If CGI file is a script, try to read the interpreter line
+  interp = conn->ctx->options[OPT_CGI_INTERPRETER];
+  if (interp == NULL) {
+    line[2] = '\0';
+    (void) mg_snprintf(conn, cmdline, sizeof(cmdline), "%s%c%s",
+        dir, DIRSEP, prog);
+    if ((fp = fopen(cmdline, "r")) != NULL) {
+      (void) fgets(line, sizeof(line), fp);
+      if (memcmp(line, "#!", 2) != 0)
+        line[2] = '\0';
+      // Trim whitespaces from interpreter name
+      for (p = &line[strlen(line) - 1]; p > line &&
+          isspace(*p); p--) {
+        *p = '\0';
+      }
+      (void) fclose(fp);
+    }
+    interp = line + 2;
+  }
+
+  if ((p = (char *) strrchr(prog, '/')) != NULL) {
+    prog = p + 1;
+  }
+
+  (void) mg_snprintf(conn, cmdline, sizeof(cmdline), "%s%s%s",
+      interp, interp[0] == '\0' ? "" : " ", prog);
+
+  (void) mg_snprintf(conn, line, sizeof(line), "%s", dir);
+  change_slashes_to_backslashes(line);
+
+  DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: Running [%s]", __func__, cmdline));
+  if (CreateProcessA(NULL, cmdline, NULL, NULL, TRUE,
+        CREATE_NEW_PROCESS_GROUP, envblk, line, &si, &pi) == 0) {
+    cry(conn, "%s: CreateProcess(%s): %d",
+        __func__, cmdline, ERRNO);
+    pi.hProcess = (pid_t) -1;
+  } else {
+    (void) close(fd_stdin);
+    (void) close(fd_stdout);
+  }
+
+  (void) CloseHandle(si.hStdOutput);
+  (void) CloseHandle(si.hStdInput);
+  (void) CloseHandle(pi.hThread);
+
+  return (pid_t) pi.hProcess;
 }
 #endif /* !NO_CGI */
 
-static int
-set_non_blocking_mode(struct mg_connection *conn, SOCKET sock)
-{
-	int	flags, ok = -1;
+static int set_non_blocking_mode(SOCKET sock) {
+  unsigned long on = 1;
+  return ioctlsocket(sock, FIONBIO, &on);
+}
+
+#else
+static int mg_stat(const char *path, struct mgstat *stp) {
+  struct stat st;
+  int ok;
 
-	if ((flags = fcntl(sock, F_GETFL, 0)) == -1) {
-		cry(conn, "%s: fcntl(F_GETFL): %d", __func__, ERRNO);
-	} else if (fcntl(sock, F_SETFL, flags | O_NONBLOCK) != 0) {
-		cry(conn, "%s: fcntl(F_SETFL): %d", __func__, ERRNO);
-	} else {
-		ok = 0;	/* Success */
-	}
+  if (stat(path, &st) == 0) {
+    ok = 0;
+    stp->size = st.st_size;
+    stp->mtime = st.st_mtime;
+    stp->is_directory = S_ISDIR(st.st_mode);
+  } else {
+    ok = -1;
+  }
 
-	return (ok);
+  return ok;
 }
-#endif /* _WIN32 */
 
-/*
- * Write data to the IO channel - opened file descriptor, socket or SSL
- * descriptor. Return number of bytes written.
- */
-static int64_t
-push(FILE *fp, SOCKET sock, SSL *ssl, const char *buf, int64_t len)
-{
-	int64_t	sent;
-	int	n, k;
-
-	sent = 0;
-	while (sent < len) {
-
-		/* How many bytes we send in this iteration */
-		k = len - sent > INT_MAX ? INT_MAX : (int) (len - sent);
-
-		if (ssl != NULL) {
-			n = SSL_write(ssl, buf + sent, k);
-		} else if (fp != NULL) {
-			n = fwrite(buf + sent, 1, k, fp);
-			if (ferror(fp))
-				n = -1;
-		} else {
-			n = send(sock, buf + sent, k, 0);
-		}
-
-		if (n < 0)
-			break;
-
-		sent += n;
-	}
-
-	return (sent);
-}
-
-/*
- * Read from IO channel - opened file descriptor, socket, or SSL descriptor.
- * Return number of bytes read.
- */
-static int
-pull(FILE *fp, SOCKET sock, SSL *ssl, char *buf, int len)
-{
-	int	nread;
-
-	if (ssl != NULL) {
-		nread = SSL_read(ssl, buf, len);
-	} else if (fp != NULL) {
-		nread = fread(buf, 1, (size_t) len, fp);
-		if (ferror(fp))
-			nread = -1;
-	} else {
-		nread = recv(sock, buf, (size_t) len, 0);
-	}
-
-	return (nread);
-}
-
-int
-mg_write(struct mg_connection *conn, const void *buf, size_t len)
-{
-	return ((int) push(NULL, conn->client.sock, conn->ssl,
-				(const char *) buf, (int64_t) len));
-}
-
-int
-mg_printf(struct mg_connection *conn, const char *fmt, ...)
-{
-	char	buf[MAX_REQUEST_SIZE];
-	int	len;
-	va_list	ap;
-
-	va_start(ap, fmt);
-	len = mg_vsnprintf(conn, buf, sizeof(buf), fmt, ap);
-	va_end(ap);
-
-	return (mg_write(conn, buf, len));
-}
-
-/*
- * Return content length of the request, or -1 constant if
- * Content-Length header is not set.
- */
-static int64_t
-get_content_length(const struct mg_connection *conn)
-{
-	const char *cl = mg_get_header(conn, "Content-Length");
-	return (cl == NULL ? -1 : strtoll(cl, NULL, 10));
-}
-
-/*
- * URL-decode input buffer into destination buffer.
- * 0-terminate the destination buffer. Return the length of decoded data.
- * form-url-encoded data differs from URI encoding in a way that it
- * uses '+' as character for space, see RFC 1866 section 8.2.1
- * http://ftp.ics.uci.edu/pub/ietf/html/rfc1866.txt
- */
-static size_t
-url_decode(const char *src, size_t src_len, char *dst, size_t dst_len,
-		bool_t is_form_url_encoded)
-{
-	size_t	i, j;
-	int	a, b;
-#define	HEXTOI(x)	(isdigit(x) ? x - '0' : x - 'W')
-
-	for (i = j = 0; i < src_len && j < dst_len - 1; i++, j++) {
-		if (src[i] == '%' &&
-		    isxdigit(* (unsigned char *) (src + i + 1)) &&
-		    isxdigit(* (unsigned char *) (src + i + 2))) {
-			a = tolower(* (unsigned char *) (src + i + 1));
-			b = tolower(* (unsigned char *) (src + i + 2));
-			dst[j] = (char) ((HEXTOI(a) << 4) | HEXTOI(b));
-			i += 2;
-		} else if (is_form_url_encoded && src[i] == '+') {
-			dst[j] = ' ';
-		} else {
-			dst[j] = src[i];
-		}
-	}
-
-	dst[j] = '\0';	/* Null-terminate the destination */
-
-	return (j);
-}
-
-/*
- * Scan given buffer and fetch the value of the given variable.
- * It can be specified in query string, or in the POST data.
- * Return NULL if the variable not found, or allocated 0-terminated value.
- * It is caller's responsibility to free the returned value.
- */
-enum mg_error_t
-mg_get_var(const char *buf, size_t buf_len, const char *var_name,
-		char *var_value, size_t var_value_len)
-{
-	const char	*p, *e, *s;
-	char		*val;
-	size_t		var_len, len;
-	enum mg_error_t	ret_val;
-
-	var_len = strlen(var_name);
-	e = buf + buf_len;
-	val = NULL;
-	ret_val = MG_NOT_FOUND;
-	var_value[0] = '\0';
-
-	/* buf is "var1=val1&var2=val2...". Find variable first */
-	for (p = buf; p + var_len < e; p++)
-		if ((p == buf || p[-1] == '&') && p[var_len] == '=' &&
-		    !mg_strncasecmp(var_name, p, var_len)) {
-
-			/* Point p to variable value */
-			p += var_len + 1;
-
-			/* Point s to the end of the value */
-			s = (const char *) memchr(p, '&', e - p);
-			if (s == NULL)
-				s = e;
-
-			/* Try to allocate the buffer */
-			len = s - p;
-			if (len >= var_value_len) {
-				ret_val = MG_BUFFER_TOO_SMALL;
-			} else {
-				url_decode(p, len, var_value, len + 1, TRUE);
-				ret_val = MG_SUCCESS;
-			}
-			break;
-		}
-
-	return (ret_val);
-}
-
-enum mg_error_t
-mg_get_qsvar(const struct mg_request_info *ri, const char *var_name,
-		char *var_value, size_t var_value_len) {
-  return (ri->query_string == NULL ? MG_NOT_FOUND : mg_get_var(ri->query_string,
-        strlen(ri->query_string), var_name, var_value, var_value_len));
-}
-
-enum mg_error_t
-mg_get_cookie(const struct mg_connection *conn,
-		const char *cookie_name, char *dst, size_t dst_size)
-{
-	const char	*s, *p, *end;
-	int		len;
-
-	dst[0] = '\0';
-	if ((s = mg_get_header(conn, "Cookie")) == NULL)
-		return (MG_NOT_FOUND);
-
-	len = strlen(cookie_name);
-	end = s + strlen(s);
-
-	for (; (s = strstr(s, cookie_name)) != NULL; s += len)
-		if (s[len] == '=') {
-			s += len + 1;
-			if ((p = strchr(s, ' ')) == NULL)
-				p = end;
-			if (p[-1] == ';')
-				p--;
-			if (*s == '"' && p[-1] == '"' && p > s + 1) {
-				s++;
-				p--;
-			}
-			if ((size_t) (p - s) >= dst_size) {
-				return (MG_BUFFER_TOO_SMALL);
-			} else {
-				mg_strlcpy(dst, s, (p - s) + 1);
-				return (MG_SUCCESS);
-			}
-		}
-
-	return (MG_NOT_FOUND);
-}
-
-/*
- * Get document root for the given URI.
- */
-static int
-get_document_root(const struct mg_connection *conn, struct vec *document_root)
-{
-	const char	*root, *uri;
-	int		len_of_matched_uri;
-	struct vec	uri_vec, path_vec;
-
-	uri = conn->request_info.uri;
-	len_of_matched_uri = 0;
-	root = next_option(conn->ctx->config->document_root,
-			document_root, NULL);
-
-	while ((root = next_option(root, &uri_vec, &path_vec)) != NULL) {
-		if (memcmp(uri, uri_vec.ptr, uri_vec.len) == 0) {
-			*document_root = path_vec;
-			len_of_matched_uri = uri_vec.len;
-			break;
-		}
-	}
-
-	return (len_of_matched_uri);
-}
-
-/*
- * Transform URI to the file name.
- */
-static void
-convert_uri_to_file_name(struct mg_connection *conn, const char *uri,
-		char *buf, size_t buf_len)
-{
-	struct vec	vec;
-	int		match_len;
-
-	match_len = get_document_root(conn, &vec);
-	(void) mg_snprintf(conn, buf, buf_len, "%.*s%s",
-			    vec.len, vec.ptr, uri + match_len);
+static void set_close_on_exec(int fd) {
+  (void) fcntl(fd, F_SETFD, FD_CLOEXEC);
+}
+
+static int start_thread(struct mg_context *ctx, mg_thread_func_t func,
+                        void *param) {
+  pthread_t thread_id;
+  pthread_attr_t attr;
+  int retval;
+
+  (void) pthread_attr_init(&attr);
+  (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+  (void) pthread_attr_setstacksize(&attr, sizeof(struct mg_connection) * 2);
+
+  if ((retval = pthread_create(&thread_id, &attr, func, param)) != 0) {
+    cry(fc(ctx), "%s: %s", __func__, strerror(retval));
+  }
+
+  return retval;
+}
+
+#ifndef NO_CGI
+static pid_t spawn_process(struct mg_connection *conn, const char *prog,
+                           char *envblk, char *envp[], int fd_stdin,
+                           int fd_stdout, const char *dir) {
+  pid_t pid;
+  const char *interp;
+
+  envblk = NULL; // Unused
+
+  if ((pid = fork()) == -1) {
+    // Parent
+    send_http_error(conn, 500, http_500_error, "fork(): %s", strerror(ERRNO));
+  } else if (pid == 0) {
+    // Child
+    if (chdir(dir) != 0) {
+      cry(conn, "%s: chdir(%s): %s", __func__, dir, strerror(ERRNO));
+    } else if (dup2(fd_stdin, 0) == -1) {
+      cry(conn, "%s: dup2(stdin, %d): %s", __func__, fd_stdin, strerror(ERRNO));
+    } else if (dup2(fd_stdout, 1) == -1) {
+      cry(conn, "%s: dup2(stdout, %d): %s", __func__, fd_stdout, strerror(ERRNO));
+    } else {
+      (void) dup2(fd_stdout, 2);
+      (void) close(fd_stdin);
+      (void) close(fd_stdout);
+
+      // Execute CGI program. No need to lock: new process
+      interp = conn->ctx->config->cgi_interpreter;
+      if (interp == NULL) {
+        (void) execle(prog, prog, NULL, envp);
+        cry(conn, "%s: execle(%s): %s", __func__, prog, strerror(ERRNO));
+      } else {
+        (void) execle(interp, interp, prog, NULL, envp);
+        cry(conn, "%s: execle(%s %s): %s", __func__, interp, prog,
+            strerror(ERRNO));
+      }
+    }
+    exit(EXIT_FAILURE);
+  } else {
+    // Parent. Close stdio descriptors
+    (void) close(fd_stdin);
+    (void) close(fd_stdout);
+  }
+
+  return pid;
+}
+#endif // !NO_CGI
+
+static int set_non_blocking_mode(SOCKET sock) {
+  int flags;
+
+  flags = fcntl(sock, F_GETFL, 0);
+  (void) fcntl(sock, F_SETFL, flags | O_NONBLOCK);
+
+  return 0;
+}
+#endif // _WIN32
+
+// Write data to the IO channel - opened file descriptor, socket or SSL
+// descriptor. Return number of bytes written.
+static int64_t push(FILE *fp, SOCKET sock, SSL *ssl, const char *buf,
+                    int64_t len) {
+  int64_t sent;
+  int n, k;
+
+  sent = 0;
+  while (sent < len) {
+
+    /* How many bytes we send in this iteration */
+    k = len - sent > INT_MAX ? INT_MAX : (int) (len - sent);
+
+    if (ssl != NULL) {
+      n = SSL_write(ssl, buf + sent, k);
+    } else if (fp != NULL) {
+      n = fwrite(buf + sent, 1, k, fp);
+      if (ferror(fp))
+        n = -1;
+    } else {
+      n = send(sock, buf + sent, k, 0);
+    }
+
+    if (n < 0)
+      break;
+
+    sent += n;
+  }
+
+  return sent;
+}
+
+// Read from IO channel - opened file descriptor, socket, or SSL descriptor.
+// Return number of bytes read.
+static int pull(FILE *fp, SOCKET sock, SSL *ssl, char *buf, int len) {
+  int nread;
+
+  if (ssl != NULL) {
+    nread = SSL_read(ssl, buf, len);
+  } else if (fp != NULL) {
+    nread = fread(buf, 1, (size_t) len, fp);
+    if (ferror(fp))
+      nread = -1;
+  } else {
+    nread = recv(sock, buf, (size_t) len, 0);
+  }
+
+  return nread;
+}
+
+int mg_write(struct mg_connection *conn, const void *buf, size_t len) {
+  return (int) push(NULL, conn->client.sock, conn->ssl,
+      (const char *) buf, (int64_t) len);
+}
+
+int mg_printf(struct mg_connection *conn, const char *fmt, ...) {
+  char buf[MAX_REQUEST_SIZE];
+  int len;
+  va_list ap;
+
+  va_start(ap, fmt);
+  len = mg_vsnprintf(conn, buf, sizeof(buf), fmt, ap);
+  va_end(ap);
+
+  return mg_write(conn, buf, len);
+}
+
+// Return content length of the request, or -1 constant if
+// Content-Length header is not set.
+static int64_t get_content_length(const struct mg_connection *conn) {
+  const char *cl = mg_get_header(conn, "Content-Length");
+  return cl == NULL ? -1 : strtoll(cl, NULL, 10);
+}
+
+// URL-decode input buffer into destination buffer.
+// 0-terminate the destination buffer. Return the length of decoded data.
+// form-url-encoded data differs from URI encoding in a way that it
+// uses '+' as character for space, see RFC 1866 section 8.2.1
+// http://ftp.ics.uci.edu/pub/ietf/html/rfc1866.txt
+static size_t url_decode(const char *src, size_t src_len, char *dst,
+                         size_t dst_len, bool_t is_form_url_encoded) {
+  size_t i, j;
+  int a, b;
+#define HEXTOI(x) (isdigit(x) ? x - '0' : x - 'W')
+
+  for (i = j = 0; i < src_len && j < dst_len - 1; i++, j++) {
+    if (src[i] == '%' &&
+        isxdigit(* (unsigned char *) (src + i + 1)) &&
+        isxdigit(* (unsigned char *) (src + i + 2))) {
+      a = tolower(* (unsigned char *) (src + i + 1));
+      b = tolower(* (unsigned char *) (src + i + 2));
+      dst[j] = (char) ((HEXTOI(a) << 4) | HEXTOI(b));
+      i += 2;
+    } else if (is_form_url_encoded && src[i] == '+') {
+      dst[j] = ' ';
+    } else {
+      dst[j] = src[i];
+    }
+  }
+
+  dst[j] = '\0'; /* Null-terminate the destination */
+
+  return j;
+}
+
+// Scan given buffer and fetch the value of the given variable.
+// It can be specified in query string, or in the POST data.
+// Return NULL if the variable not found, or allocated 0-terminated value.
+// It is caller's responsibility to free the returned value.
+enum mg_error_t mg_get_var(const char *buf, size_t buf_len,
+                           const char *var_name, char *var_value,
+                           size_t var_value_len) {
+  const char *p, *e, *s;
+  char *val;
+  size_t  var_len, len;
+  enum mg_error_t ret_val;
+
+  var_len = strlen(var_name);
+  e = buf + buf_len;
+  val = NULL;
+  ret_val = MG_NOT_FOUND;
+  var_value[0] = '\0';
+
+  // buf is "var1=val1&var2=val2...". Find variable first
+  for (p = buf; p + var_len < e; p++)
+    if ((p == buf || p[-1] == '&') && p[var_len] == '=' &&
+        !mg_strncasecmp(var_name, p, var_len)) {
+
+      // Point p to variable value
+      p += var_len + 1;
+
+      // Point s to the end of the value
+      s = (const char *) memchr(p, '&', e - p);
+      if (s == NULL) {
+        s = e;
+      }
+
+      /* Try to allocate the buffer */
+      len = s - p;
+      if (len >= var_value_len) {
+        ret_val = MG_BUFFER_TOO_SMALL;
+      } else {
+        url_decode(p, len, var_value, len + 1, TRUE);
+        ret_val = MG_SUCCESS;
+      }
+      break;
+    }
+
+  return ret_val;
+}
+
+enum mg_error_t mg_get_qsvar(const struct mg_request_info *ri,
+                             const char *var_name, char *var_value,
+                             size_t var_value_len) {
+  return ri->query_string == NULL ? MG_NOT_FOUND : mg_get_var(ri->query_string,
+        strlen(ri->query_string), var_name, var_value, var_value_len);
+}
+
+enum mg_error_t mg_get_cookie(const struct mg_connection *conn,
+                              const char *cookie_name, char *dst,
+                              size_t dst_size) {
+  const char *s, *p, *end;
+  int len;
+
+  dst[0] = '\0';
+  if ((s = mg_get_header(conn, "Cookie")) == NULL) {
+    return MG_NOT_FOUND;
+  }
+
+  len = strlen(cookie_name);
+  end = s + strlen(s);
+
+  for (; (s = strstr(s, cookie_name)) != NULL; s += len)
+    if (s[len] == '=') {
+      s += len + 1;
+      if ((p = strchr(s, ' ')) == NULL)
+        p = end;
+      if (p[-1] == ';')
+        p--;
+      if (*s == '"' && p[-1] == '"' && p > s + 1) {
+        s++;
+        p--;
+      }
+      if ((size_t) (p - s) >= dst_size) {
+        return MG_BUFFER_TOO_SMALL;
+      } else {
+        mg_strlcpy(dst, s, (p - s) + 1);
+        return MG_SUCCESS;
+      }
+    }
+
+  return MG_NOT_FOUND;
+}
+
+// Mongoose allows to specify multiple directories to serve,
+// like /var/www,/~bob:/home/bob. That means that root directory depends on URI.
+// This function returns root dir for given URI.
+static int get_document_root(const struct mg_connection *conn,
+                             struct vec *document_root) {
+  const char *root, *uri;
+  int len_of_matched_uri;
+  struct vec uri_vec, path_vec;
+
+  uri = conn->request_info.uri;
+  len_of_matched_uri = 0;
+  root = next_option(conn->ctx->config->document_root, document_root, NULL);
+
+  while ((root = next_option(root, &uri_vec, &path_vec)) != NULL) {
+    if (memcmp(uri, uri_vec.ptr, uri_vec.len) == 0) {
+      *document_root = path_vec;
+      len_of_matched_uri = uri_vec.len;
+      break;
+    }
+  }
+
+  return len_of_matched_uri;
+}
+
+static void convert_uri_to_file_name(struct mg_connection *conn,
+                                     const char *uri, char *buf,
+                                     size_t buf_len) {
+  struct vec vec;
+  int match_len;
+
+  match_len = get_document_root(conn, &vec);
+  mg_snprintf(conn, buf, buf_len, "%.*s%s", vec.len, vec.ptr, uri + match_len);
 
 #ifdef _WIN32
-	fix_directory_separators(buf);
+  change_slashes_to_backslashes(buf);
 #endif /* _WIN32 */
 
-	DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: [%s] -> [%s]", __func__, uri, buf));
-}
-
-/*
- * Setup listening socket on given address, return socket.
- * Address format: [local_ip_address:]port_number
- */
-static SOCKET
-mg_open_listening_port(struct mg_context *ctx, const char *str, struct usa *usa)
-{
-	SOCKET		sock;
-	int		on = 1, a, b, c, d, port;
-
-	/* MacOS needs that. If we do not zero it, bind() will fail. */
-	(void) memset(usa, 0, sizeof(*usa));
-
-	if (sscanf(str, "%d.%d.%d.%d:%d", &a, &b, &c, &d, &port) == 5) {
-		/* IP address to bind to is specified */
-		usa->u.sin.sin_addr.s_addr =
-		    htonl((a << 24) | (b << 16) | (c << 8) | d);
-	} else if (sscanf(str, "%d", &port) == 1) {
-		/* Only port number is specified. Bind to all addresses */
-		usa->u.sin.sin_addr.s_addr = htonl(INADDR_ANY);
-	} else {
-		return (INVALID_SOCKET);
-	}
-
-	usa->len			= sizeof(usa->u.sin);
-	usa->u.sin.sin_family		= AF_INET;
-	usa->u.sin.sin_port		= htons((uint16_t) port);
-
-	if ((sock = socket(PF_INET, SOCK_STREAM, 6)) != INVALID_SOCKET &&
-	    setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
-	    (char *) &on, sizeof(on)) == 0 &&
-	    bind(sock, &usa->u.sa, usa->len) == 0 &&
-	    listen(sock, 20) == 0) {
-		/* Success */
-		set_close_on_exec(sock);
-	} else {
-		/* Error */
-		cry(fc(ctx), "%s(%d): %s", __func__, port, strerror(ERRNO));
-		if (sock != INVALID_SOCKET)
-			(void) closesocket(sock);
-		sock = INVALID_SOCKET;
-	}
-
-	return (sock);
-}
-
-/*
- * Check whether full request is buffered. Return:
- *   -1         if request is malformed
- *    0         if request is not yet fully buffered
- *   >0         actual request length, including last \r\n\r\n
- */
-static int
-get_request_len(const char *buf, size_t buflen)
-{
-	const char	*s, *e;
-	int		len = 0;
-
-	for (s = buf, e = s + buflen - 1; len <= 0 && s < e; s++)
-		/* Control characters are not allowed but >=128 is. */
-		if (!isprint(* (unsigned char *) s) && *s != '\r' &&
-		    *s != '\n' && * (unsigned char *) s < 128)
-			len = -1;
-		else if (s[0] == '\n' && s[1] == '\n')
-			len = (int) (s - buf) + 2;
-		else if (s[0] == '\n' && &s[1] < e &&
-		    s[1] == '\r' && s[2] == '\n')
-			len = (int) (s - buf) + 3;
-
-	return (len);
-}
-
-/*
- * Convert month to the month number. Return -1 on error, or month number
- */
-static int
-montoi(const char *s)
-{
-	size_t	i;
-
-	for (i = 0; i < sizeof(month_names) / sizeof(month_names[0]); i++)
-		if (!strcmp(s, month_names[i]))
-			return ((int) i);
-
-	return (-1);
-}
-
-/*
- * Parse date-time string, and return the corresponding time_t value
- */
-static time_t
-date_to_epoch(const char *s)
-{
-	time_t		current_time;
-	struct tm	tm, *tmp;
-	char		mon[32];
-	int		sec, min, hour, mday, month, year;
-
-	(void) memset(&tm, 0, sizeof(tm));
-	sec = min = hour = mday = month = year = 0;
-
-	if (((sscanf(s, "%d/%3s/%d %d:%d:%d",
-	    &mday, mon, &year, &hour, &min, &sec) == 6) ||
-	    (sscanf(s, "%d %3s %d %d:%d:%d",
-	    &mday, mon, &year, &hour, &min, &sec) == 6) ||
-	    (sscanf(s, "%*3s, %d %3s %d %d:%d:%d",
-	    &mday, mon, &year, &hour, &min, &sec) == 6) ||
-	    (sscanf(s, "%d-%3s-%d %d:%d:%d",
-	    &mday, mon, &year, &hour, &min, &sec) == 6)) &&
-	    (month = montoi(mon)) != -1) {
-		tm.tm_mday	= mday;
-		tm.tm_mon	= month;
-		tm.tm_year	= year;
-		tm.tm_hour	= hour;
-		tm.tm_min	= min;
-		tm.tm_sec	= sec;
-	}
-
-	if (tm.tm_year > 1900)
-		tm.tm_year -= 1900;
-	else if (tm.tm_year < 70)
-		tm.tm_year += 100;
-
-	/* Set Daylight Saving Time field */
-	current_time = time(NULL);
-	tmp = localtime(&current_time);
-	tm.tm_isdst = tmp->tm_isdst;
-
-	return (mktime(&tm));
-}
-
-/*
- * Protect against directory disclosure attack by removing '..',
- * excessive '/' and '\' characters
- */
-static void
-remove_double_dots_and_double_slashes(char *s)
-{
-	char	*p = s;
-
-	while (*s != '\0') {
-		*p++ = *s++;
-		if (s[-1] == '/' || s[-1] == '\\') {
-			/* Skip all following slashes and backslashes */
-			while (*s == '/' || *s == '\\')
-				s++;
-
-			/* Skip all double-dots */
-			while (*s == '.' && s[1] == '.')
-				s += 2;
-		}
-	}
-	*p = '\0';
-}
-
-/*
- * Built-in mime types
- */
+  DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: [%s] -> [%s]", __func__, uri, buf));
+}
+
+// Setup listening socket on given address, return socket.
+// Address format: [local_ip_address:]port_number
+static SOCKET mg_open_listening_port(struct mg_context *ctx, const char *str,
+                                     struct usa *usa) {
+  SOCKET sock;
+  int on = 1, a, b, c, d, port;
+
+  // MacOS needs that. If we do not zero it, bind() will fail.
+  (void) memset(usa, 0, sizeof(*usa));
+
+  if (sscanf(str, "%d.%d.%d.%d:%d", &a, &b, &c, &d, &port) == 5) {
+    // IP address to bind to is specified
+    usa->u.sin.sin_addr.s_addr =
+      htonl((a << 24) | (b << 16) | (c << 8) | d);
+  } else if (sscanf(str, "%d", &port) == 1) {
+    // Only port number is specified. Bind to all addresses
+    usa->u.sin.sin_addr.s_addr = htonl(INADDR_ANY);
+  } else {
+    return INVALID_SOCKET;
+  }
+
+  usa->len   = sizeof(usa->u.sin);
+  usa->u.sin.sin_family  = AF_INET;
+  usa->u.sin.sin_port  = htons((uint16_t) port);
+
+  if ((sock = socket(PF_INET, SOCK_STREAM, 6)) != INVALID_SOCKET &&
+      setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
+        (char *) &on, sizeof(on)) == 0 &&
+      bind(sock, &usa->u.sa, usa->len) == 0 &&
+      listen(sock, 20) == 0) {
+    // Success
+    set_close_on_exec(sock);
+  } else {
+    // Error
+    cry(fc(ctx), "%s(%d): %s", __func__, port, strerror(ERRNO));
+    if (sock != INVALID_SOCKET)
+      (void) closesocket(sock);
+    sock = INVALID_SOCKET;
+  }
+
+  return sock;
+}
+
+// Check whether full request is buffered. Return:
+//   -1  if request is malformed
+//    0  if request is not yet fully buffered
+//   >0  actual request length, including last \r\n\r\n
+static int get_request_len(const char *buf, size_t buflen) {
+  const char *s, *e;
+  int len = 0;
+
+  for (s = buf, e = s + buflen - 1; len <= 0 && s < e; s++)
+    // Control characters are not allowed but >=128 is.
+    if (!isprint(* (unsigned char *) s) && *s != '\r' &&
+        *s != '\n' && * (unsigned char *) s < 128) {
+      len = -1;
+    } else if (s[0] == '\n' && s[1] == '\n') {
+      len = (int) (s - buf) + 2;
+    } else if (s[0] == '\n' && &s[1] < e &&
+        s[1] == '\r' && s[2] == '\n') {
+      len = (int) (s - buf) + 3;
+    }
+
+  return len;
+}
+
+// Convert month to the month number. Return -1 on error, or month number
+static int month_number_to_month_name(const char *s) {
+  size_t i;
+
+  for (i = 0; i < ARRAY_SIZE(month_names); i++)
+    if (!strcmp(s, month_names[i]))
+      return (int) i;
+
+  return -1;
+}
+
+// Parse date-time string, and return the corresponding time_t value
+static time_t parse_date_string(const char *s) {
+  time_t current_time;
+  struct tm tm, *tmp;
+  char mon[32];
+  int sec, min, hour, mday, month, year;
+
+  (void) memset(&tm, 0, sizeof(tm));
+  sec = min = hour = mday = month = year = 0;
+
+  if (((sscanf(s, "%d/%3s/%d %d:%d:%d",
+            &mday, mon, &year, &hour, &min, &sec) == 6) ||
+        (sscanf(s, "%d %3s %d %d:%d:%d",
+                &mday, mon, &year, &hour, &min, &sec) == 6) ||
+        (sscanf(s, "%*3s, %d %3s %d %d:%d:%d",
+                &mday, mon, &year, &hour, &min, &sec) == 6) ||
+        (sscanf(s, "%d-%3s-%d %d:%d:%d",
+                &mday, mon, &year, &hour, &min, &sec) == 6)) &&
+      (month = month_number_to_month_name(mon)) != -1) {
+    tm.tm_mday = mday;
+    tm.tm_mon = month;
+    tm.tm_year = year;
+    tm.tm_hour = hour;
+    tm.tm_min = min;
+    tm.tm_sec = sec;
+  }
+
+  if (tm.tm_year > 1900) {
+    tm.tm_year -= 1900;
+  } else if (tm.tm_year < 70) {
+    tm.tm_year += 100;
+  }
+
+  // Set Daylight Saving Time field
+  current_time = time(NULL);
+  tmp = localtime(&current_time);
+  tm.tm_isdst = tmp->tm_isdst;
+
+  return mktime(&tm);
+}
+
+// Protect against directory disclosure attack by removing '..',
+// excessive '/' and '\' characters
+static void remove_double_dots_and_double_slashes(char *s) {
+  char *p = s;
+
+  while (*s != '\0') {
+    *p++ = *s++;
+    if (s[-1] == '/' || s[-1] == '\\') {
+      // Skip all following slashes and backslashes
+      while (*s == '/' || *s == '\\') {
+        s++;
+      }
+
+      // Skip all double-dots
+      while (*s == '.' && s[1] == '.') {
+        s += 2;
+      }
+    }
+  }
+  *p = '\0';
+}
+
 static const struct {
-	const char	*extension;
-	size_t		ext_len;
-	const char	*mime_type;
-	size_t		mime_type_len;
-} mime_types[] = {
-	{".html",	5,	"text/html",			9},
-	{".htm",	4,	"text/html",			9},
-	{".shtm",	5,	"text/html",			9},
-	{".shtml",	6,	"text/html",			9},
-	{".css",	4,	"text/css",			8},
-	{".js",		3,	"application/x-javascript",	24},
-	{".ico",	4,	"image/x-icon",			12},
-	{".gif",	4,	"image/gif",			9},
-	{".jpg",	4,	"image/jpeg",			10},
-	{".jpeg",	5,	"image/jpeg",			10},
-	{".png",	4,	"image/png",			9},
-	{".svg",	4,	"image/svg+xml",		13},
-	{".torrent",	8,	"application/x-bittorrent",	24},
-	{".wav",	4,	"audio/x-wav",			11},
-	{".mp3",	4,	"audio/x-mp3",			11},
-	{".mid",	4,	"audio/mid",			9},
-	{".m3u",	4,	"audio/x-mpegurl",		15},
-	{".ram",	4,	"audio/x-pn-realaudio",		20},
-	{".xml",	4,	"text/xml",			8},
-	{".xslt",	5,	"application/xml",		15},
-	{".ra",		3,	"audio/x-pn-realaudio",		20},
-	{".doc",	4,	"application/msword",		19},
-	{".exe",	4,	"application/octet-stream",	24},
-	{".zip",	4,	"application/x-zip-compressed",	28},
-	{".xls",	4,	"application/excel",		17},
-	{".tgz",	4,	"application/x-tar-gz",		20},
-	{".tar",	4,	"application/x-tar",		17},
-	{".gz",		3,	"application/x-gunzip",		20},
-	{".arj",	4,	"application/x-arj-compressed",	28},
-	{".rar",	4,	"application/x-arj-compressed",	28},
-	{".rtf",	4,	"application/rtf",		15},
-	{".pdf",	4,	"application/pdf",		15},
-	{".swf",	4,	"application/x-shockwave-flash",29},
-	{".mpg",	4,	"video/mpeg",			10},
-	{".mpeg",	5,	"video/mpeg",			10},
-	{".asf",	4,	"video/x-ms-asf",		14},
-	{".avi",	4,	"video/x-msvideo",		15},
-	{".bmp",	4,	"image/bmp",			9},
-	{NULL,		0,	NULL,				0}
+  const char *extension;
+  size_t ext_len;
+  const char *mime_type;
+  size_t mime_type_len;
+} builtin_mime_types[] = {
+  {".html", 5, "text/html",   9},
+  {".htm", 4, "text/html",   9},
+  {".shtm", 5, "text/html",   9},
+  {".shtml", 6, "text/html",   9},
+  {".css", 4, "text/css",   8},
+  {".js",  3, "application/x-javascript", 24},
+  {".ico", 4, "image/x-icon",   12},
+  {".gif", 4, "image/gif",   9},
+  {".jpg", 4, "image/jpeg",   10},
+  {".jpeg", 5, "image/jpeg",   10},
+  {".png", 4, "image/png",   9},
+  {".svg", 4, "image/svg+xml",  13},
+  {".torrent", 8, "application/x-bittorrent", 24},
+  {".wav", 4, "audio/x-wav",   11},
+  {".mp3", 4, "audio/x-mp3",   11},
+  {".mid", 4, "audio/mid",   9},
+  {".m3u", 4, "audio/x-mpegurl",  15},
+  {".ram", 4, "audio/x-pn-realaudio",  20},
+  {".xml", 4, "text/xml",   8},
+  {".xslt", 5, "application/xml",  15},
+  {".ra",  3, "audio/x-pn-realaudio",  20},
+  {".doc", 4, "application/msword",  19},
+  {".exe", 4, "application/octet-stream", 24},
+  {".zip", 4, "application/x-zip-compressed", 28},
+  {".xls", 4, "application/excel",  17},
+  {".tgz", 4, "application/x-tar-gz",  20},
+  {".tar", 4, "application/x-tar",  17},
+  {".gz",  3, "application/x-gunzip",  20},
+  {".arj", 4, "application/x-arj-compressed", 28},
+  {".rar", 4, "application/x-arj-compressed", 28},
+  {".rtf", 4, "application/rtf",  15},
+  {".pdf", 4, "application/pdf",  15},
+  {".swf", 4, "application/x-shockwave-flash",29},
+  {".mpg", 4, "video/mpeg",   10},
+  {".mpeg", 5, "video/mpeg",   10},
+  {".asf", 4, "video/x-ms-asf",  14},
+  {".avi", 4, "video/x-msvideo",  15},
+  {".bmp", 4, "image/bmp",   9},
+  {NULL,  0, NULL,    0}
 };
 
-/*
- * Look at the "path" extension and figure what mime type it has.
- * Store mime type in the vector.
- */
-static void
-get_mime_type(struct mg_context *ctx, const char *path, struct vec *vec)
-{
-	struct vec	ext_vec, mime_vec;
-	const char	*list, *ext;
-	size_t		i, path_len;
-
-	path_len = strlen(path);
-
-	/*
-	 * Scan user-defined mime types first, in case user wants to
-	 * override default mime types.
-	 */
-	list = ctx->config->mime_types;
-	while ((list = next_option(list, &ext_vec, &mime_vec)) != NULL) {
-		/* ext now points to the path suffix */
-		ext = path + path_len - ext_vec.len;
-		if (mg_strncasecmp(ext, ext_vec.ptr, ext_vec.len) == 0) {
-			*vec = mime_vec;
-			return;
-		}
-	}
-
-	/* Now scan built-in mime types */
-	for (i = 0; mime_types[i].extension != NULL; i++) {
-		ext = path + (path_len - mime_types[i].ext_len);
-		if (path_len > mime_types[i].ext_len &&
-		    mg_strcasecmp(ext, mime_types[i].extension) == 0) {
-			vec->ptr = mime_types[i].mime_type;
-			vec->len = mime_types[i].mime_type_len;
-			return;
-		}
-	}
-
-	/* Nothing found. Fall back to text/plain */
-	vec->ptr = "text/plain";
-	vec->len = 10;
+// Look at the "path" extension and figure what mime type it has.
+// Store mime type in the vector.
+static void get_mime_type(struct mg_context *ctx, const char *path,
+                          struct vec *vec) {
+  struct vec ext_vec, mime_vec;
+  const char *list, *ext;
+  size_t i, path_len;
+
+  path_len = strlen(path);
+
+  // Scan user-defined mime types first, in case user wants to
+  // override default mime types.
+  list = ctx->config->mime_types;
+  while ((list = next_option(list, &ext_vec, &mime_vec)) != NULL) {
+    // ext now points to the path suffix
+    ext = path + path_len - ext_vec.len;
+    if (mg_strncasecmp(ext, ext_vec.ptr, ext_vec.len) == 0) {
+      *vec = mime_vec;
+      return;
+    }
+  }
+
+  // Now scan built-in mime types
+  for (i = 0; builtin_mime_types[i].extension != NULL; i++) {
+    ext = path + (path_len - builtin_mime_types[i].ext_len);
+    if (path_len > builtin_mime_types[i].ext_len &&
+        mg_strcasecmp(ext, builtin_mime_types[i].extension) == 0) {
+      vec->ptr = builtin_mime_types[i].mime_type;
+      vec->len = builtin_mime_types[i].mime_type_len;
+      return;
+    }
+  }
+
+  // Nothing found. Fall back to "text/plain"
+  vec->ptr = "text/plain";
+  vec->len = 10;
 }
 
 #ifndef HAVE_MD5
 typedef struct MD5Context {
-	uint32_t	buf[4];
-	uint32_t	bits[2];
-	unsigned char	in[64];
+  uint32_t buf[4];
+  uint32_t bits[2];
+  unsigned char in[64];
 } MD5_CTX;
 
 #if __BYTE_ORDER == 1234
-#define byteReverse(buf, len)	/* Nothing */
+#define byteReverse(buf, len) // Do nothing
 #else
-/*
- * Note: this code is harmless on little-endian machines.
- */
-static void
-byteReverse(unsigned char *buf, unsigned longs)
-{
-	uint32_t t;
-	do {
-		t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
-			((unsigned) buf[1] << 8 | buf[0]);
-		*(uint32_t *) buf = t;
-		buf += 4;
-	} while (--longs);
-}
-#endif /* __BYTE_ORDER */
-
-/* The four core functions - F1 is optimized somewhat */
-
-/* #define F1(x, y, z) (x & y | ~x & z) */
+static void byteReverse(unsigned char *buf, unsigned longs) {
+  uint32_t t;
+  do {
+    t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
+      ((unsigned) buf[1] << 8 | buf[0]);
+    *(uint32_t *) buf = t;
+    buf += 4;
+  } while (--longs);
+}
+#endif
+
 #define F1(x, y, z) (z ^ (x & (y ^ z)))
 #define F2(x, y, z) F1(z, x, y)
 #define F3(x, y, z) (x ^ y ^ z)
 #define F4(x, y, z) (y ^ (x | ~z))
 
-/* This is the central step in the MD5 algorithm. */
 #define MD5STEP(f, w, x, y, z, data, s) \
-( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )
-
-/*
- * Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
- * initialization constants.
- */
-static void
-MD5Init(MD5_CTX *ctx)
-{
-	ctx->buf[0] = 0x67452301;
-	ctx->buf[1] = 0xefcdab89;
-	ctx->buf[2] = 0x98badcfe;
-	ctx->buf[3] = 0x10325476;
-
-	ctx->bits[0] = 0;
-	ctx->bits[1] = 0;
-}
-
-/*
- * The core of the MD5 algorithm, this alters an existing MD5 hash to
- * reflect the addition of 16 longwords of new data.  MD5Update blocks
- * the data and converts bytes into longwords for this routine.
- */
-static void
-MD5Transform(uint32_t buf[4], uint32_t const in[16])
-{
-	register uint32_t a, b, c, d;
-
-	a = buf[0];
-	b = buf[1];
-	c = buf[2];
-	d = buf[3];
-
-	MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
-	MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
-	MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
-	MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
-	MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
-	MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
-	MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
-	MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
-	MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
-	MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
-	MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
-	MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
-	MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
-	MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
-	MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
-	MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
-
-	MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
-	MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
-	MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
-	MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
-	MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
-	MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
-	MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
-	MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
-	MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
-	MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
-	MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
-	MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
-	MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
-	MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
-	MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
-	MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
-
-	MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
-	MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
-	MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
-	MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
-	MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
-	MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
-	MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
-	MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
-	MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
-	MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
-	MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
-	MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
-	MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
-	MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
-	MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
-	MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
-
-	MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
-	MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
-	MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
-	MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
-	MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
-	MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
-	MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
-	MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
-	MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
-	MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
-	MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
-	MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
-	MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
-	MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
-	MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
-	MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
-
-	buf[0] += a;
-	buf[1] += b;
-	buf[2] += c;
-	buf[3] += d;
-}
-
-/*
- * Update context to reflect the concatenation of another buffer full
- * of bytes.
- */
-static void
-MD5Update(MD5_CTX *ctx, unsigned char const *buf, unsigned len)
-{
-	uint32_t t;
-
-	/* Update bitcount */
-
-	t = ctx->bits[0];
-	if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
-		ctx->bits[1]++;		/* Carry from low to high */
-	ctx->bits[1] += len >> 29;
-
-	t = (t >> 3) & 0x3f;	/* Bytes already in shsInfo->data */
-
-	/* Handle any leading odd-sized chunks */
-
-	if (t) {
-		unsigned char *p = (unsigned char *) ctx->in + t;
-
-		t = 64 - t;
-		if (len < t) {
-			memcpy(p, buf, len);
-			return;
-		}
-		memcpy(p, buf, t);
-		byteReverse(ctx->in, 16);
-		MD5Transform(ctx->buf, (uint32_t *) ctx->in);
-		buf += t;
-		len -= t;
-	}
-	/* Process data in 64-byte chunks */
-
-	while (len >= 64) {
-		memcpy(ctx->in, buf, 64);
-		byteReverse(ctx->in, 16);
-		MD5Transform(ctx->buf, (uint32_t *) ctx->in);
-		buf += 64;
-		len -= 64;
-	}
-
-	/* Handle any remaining bytes of data. */
-
-	memcpy(ctx->in, buf, len);
-}
-
-/*
- * Final wrapup - pad to 64-byte boundary with the bit pattern
- * 1 0* (64-bit count of bits processed, MSB-first)
- */
-static void
-MD5Final(unsigned char digest[16], MD5_CTX *ctx)
-{
-	unsigned count;
-	unsigned char *p;
-
-	/* Compute number of bytes mod 64 */
-	count = (ctx->bits[0] >> 3) & 0x3F;
-
-	/* Set the first char of padding to 0x80.  This is safe since there is
-	   always at least one byte free */
-	p = ctx->in + count;
-	*p++ = 0x80;
-
-	/* Bytes of padding needed to make 64 bytes */
-	count = 64 - 1 - count;
-
-	/* Pad out to 56 mod 64 */
-	if (count < 8) {
-		/* Two lots of padding:  Pad the first block to 64 bytes */
-		memset(p, 0, count);
-		byteReverse(ctx->in, 16);
-		MD5Transform(ctx->buf, (uint32_t *) ctx->in);
-
-		/* Now fill the next block with 56 bytes */
-		memset(ctx->in, 0, 56);
-	} else {
-		/* Pad block to 56 bytes */
-		memset(p, 0, count - 8);
-	}
-	byteReverse(ctx->in, 14);
-
-	/* Append length in bits and transform */
-	((uint32_t *) ctx->in)[14] = ctx->bits[0];
-	((uint32_t *) ctx->in)[15] = ctx->bits[1];
-
-	MD5Transform(ctx->buf, (uint32_t *) ctx->in);
-	byteReverse((unsigned char *) ctx->buf, 4);
-	memcpy(digest, ctx->buf, 16);
-	memset((char *) ctx, 0, sizeof(ctx));	/* In case it's sensitive */
-}
-#endif /* !HAVE_MD5 */
-
-/*
- * Stringify binary data. Output buffer must be twice as big as input,
- * because each byte takes 2 bytes in string representation
- */
-static void
-bin2str(char *to, const unsigned char *p, size_t len)
-{
-	static const char *hex = "0123456789abcdef";
-
-	for (; len--; p++) {
-		*to++ = hex[p[0] >> 4];
-		*to++ = hex[p[0] & 0x0f];
-	}
-	*to = '\0';
-}
-
-/*
- * Return stringified MD5 hash for list of vectors.
- * buf must point to 33-bytes long buffer
- */
-void
-mg_md5(char *buf, ...)
-{
-	unsigned char	hash[16];
-	const char	*p;
-	va_list		ap;
-	MD5_CTX		ctx;
-
-	MD5Init(&ctx);
-
-	va_start(ap, buf);
-	while ((p = va_arg(ap, const char *)) != NULL)
-		MD5Update(&ctx, (unsigned char *) p, (int) strlen(p));
-	va_end(ap);
-
-	MD5Final(hash, &ctx);
-	bin2str(buf, hash, sizeof(hash));
-}
-
-/*
- * Check the user's password, return 1 if OK
- */
-static bool_t
-check_password(const char *method, const char *ha1, const char *uri,
-		const char *nonce, const char *nc, const char *cnonce,
-		const char *qop, const char *response)
-{
-	char	ha2[32 + 1], expected_response[32 + 1];
-
-	/* XXX  Due to a bug in MSIE, we do not compare the URI	 */
-	/* Also, we do not check for authentication timeout */
-	if (/*strcmp(dig->uri, c->ouri) != 0 || */
-	    strlen(response) != 32 /*||
-	    now - strtoul(dig->nonce, NULL, 10) > 3600 */)
-		return (FALSE);
-
-	mg_md5(ha2, method, ":", uri, NULL);
-	mg_md5(expected_response, ha1, ":", nonce, ":", nc,
-	    ":", cnonce, ":", qop, ":", ha2, NULL);
-
-	return (mg_strcasecmp(response, expected_response) == 0);
-}
-
-/*
- * Use the global passwords file, if specified by auth_gpass option,
- * or search for .htpasswd in the requested directory.
- */
-static FILE *
-open_auth_file(struct mg_connection *conn, const char *path)
-{
-	struct mg_context	*ctx = conn->ctx;
-	char 			name[FILENAME_MAX];
-	const char		*p, *e;
-	struct mgstat		st;
-	FILE			*fp;
-
-	if (ctx->config->global_passwords_file != NULL) {
-		/* Use global passwords file */
-		fp =  mg_fopen(ctx->config->global_passwords_file, "r");
-		if (fp == NULL)
-			cry(fc(ctx), "fopen(%s): %s",
-			ctx->config->global_passwords_file, strerror(ERRNO));
-	} else if (!mg_stat(path, &st) && st.is_directory) {
-		(void) mg_snprintf(conn, name, sizeof(name), "%s%c%s",
-		    path, DIRSEP, PASSWORDS_FILE_NAME);
-		fp = mg_fopen(name, "r");
-	} else {
-		/*
-		 * Try to find .htpasswd in requested directory.
-		 * Given the path, create the path to .htpasswd file
-		 * in the same directory. Find the right-most
-		 * directory separator character first. That would be the
-		 * directory name. If directory separator character is not
-		 * found, 'e' will point to 'p'.
-		 */
-		for (p = path, e = p + strlen(p) - 1; e > p; e--)
-			if (IS_DIRSEP_CHAR(*e))
-				break;
-
-		/*
-		 * Make up the path by concatenating directory name and
-		 * .htpasswd file name.
-		 */
-		(void) mg_snprintf(conn, name, sizeof(name), "%.*s%c%s",
-		    (int) (e - p), p, DIRSEP, PASSWORDS_FILE_NAME);
-		fp = mg_fopen(name, "r");
-	}
-
-	return (fp);
-}
-
-/*
- * Parsed Authorization: header
- */
+  ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )
+
+// Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
+// initialization constants.
+static void MD5Init(MD5_CTX *ctx) {
+  ctx->buf[0] = 0x67452301;
+  ctx->buf[1] = 0xefcdab89;
+  ctx->buf[2] = 0x98badcfe;
+  ctx->buf[3] = 0x10325476;
+
+  ctx->bits[0] = 0;
+  ctx->bits[1] = 0;
+}
+
+static void MD5Transform(uint32_t buf[4], uint32_t const in[16]) {
+  register uint32_t a, b, c, d;
+
+  a = buf[0];
+  b = buf[1];
+  c = buf[2];
+  d = buf[3];
+
+  MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
+  MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
+  MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
+  MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
+  MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
+  MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
+  MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
+  MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
+  MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
+  MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
+  MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
+  MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
+  MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
+  MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
+  MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
+  MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
+
+  MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
+  MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
+  MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
+  MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
+  MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
+  MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
+  MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
+  MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
+  MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
+  MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
+  MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
+  MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
+  MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
+  MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
+  MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
+  MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
+
+  MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
+  MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
+  MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
+  MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
+  MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
+  MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
+  MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
+  MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
+  MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
+  MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
+  MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
+  MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
+  MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
+  MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
+  MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
+  MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
+
+  MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
+  MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
+  MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
+  MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
+  MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
+  MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
+  MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
+  MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
+  MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
+  MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
+  MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
+  MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
+  MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
+  MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
+  MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
+  MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
+
+  buf[0] += a;
+  buf[1] += b;
+  buf[2] += c;
+  buf[3] += d;
+}
+
+static void MD5Update(MD5_CTX *ctx, unsigned char const *buf, unsigned len) {
+  uint32_t t;
+
+  t = ctx->bits[0];
+  if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
+    ctx->bits[1]++;
+  ctx->bits[1] += len >> 29;
+
+  t = (t >> 3) & 0x3f;
+
+  if (t) {
+    unsigned char *p = (unsigned char *) ctx->in + t;
+
+    t = 64 - t;
+    if (len < t) {
+      memcpy(p, buf, len);
+      return;
+    }
+    memcpy(p, buf, t);
+    byteReverse(ctx->in, 16);
+    MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+    buf += t;
+    len -= t;
+  }
+
+  while (len >= 64) {
+    memcpy(ctx->in, buf, 64);
+    byteReverse(ctx->in, 16);
+    MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+    buf += 64;
+    len -= 64;
+  }
+
+  memcpy(ctx->in, buf, len);
+}
+
+static void MD5Final(unsigned char digest[16], MD5_CTX *ctx) {
+  unsigned count;
+  unsigned char *p;
+
+  count = (ctx->bits[0] >> 3) & 0x3F;
+
+  p = ctx->in + count;
+  *p++ = 0x80;
+  count = 64 - 1 - count;
+  if (count < 8) {
+    memset(p, 0, count);
+    byteReverse(ctx->in, 16);
+    MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+    memset(ctx->in, 0, 56);
+  } else {
+    memset(p, 0, count - 8);
+  }
+  byteReverse(ctx->in, 14);
+
+  ((uint32_t *) ctx->in)[14] = ctx->bits[0];
+  ((uint32_t *) ctx->in)[15] = ctx->bits[1];
+
+  MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+  byteReverse((unsigned char *) ctx->buf, 4);
+  memcpy(digest, ctx->buf, 16);
+  memset((char *) ctx, 0, sizeof(ctx));
+}
+#endif // !HAVE_MD5
+
+// Stringify binary data. Output buffer must be twice as big as input,
+// because each byte takes 2 bytes in string representation
+static void bin2str(char *to, const unsigned char *p, size_t len) {
+  static const char *hex = "0123456789abcdef";
+
+  for (; len--; p++) {
+    *to++ = hex[p[0] >> 4];
+    *to++ = hex[p[0] & 0x0f];
+  }
+  *to = '\0';
+}
+
+// Return stringified MD5 hash for list of vectors. Buffer must be 33 bytes.
+void mg_md5(char *buf, ...) {
+  unsigned char hash[16];
+  const char *p;
+  va_list ap;
+  MD5_CTX ctx;
+
+  MD5Init(&ctx);
+
+  va_start(ap, buf);
+  while ((p = va_arg(ap, const char *)) != NULL) {
+    MD5Update(&ctx, (unsigned char *) p, (int) strlen(p));
+  }
+  va_end(ap);
+
+  MD5Final(hash, &ctx);
+  bin2str(buf, hash, sizeof(hash));
+}
+
+// Check the user's password, return 1 if OK
+static bool_t check_password(const char *method, const char *ha1,
+                             const char *uri, const char *nonce, const char *nc,
+                             const char *cnonce, const char *qop,
+                             const char *response) {
+  char ha2[32 + 1], expected_response[32 + 1];
+
+  // NOTE(lsm): due to a bug in MSIE, we do not compare the URI
+  // TODO(lsm): check for authentication timeout
+  if (// strcmp(dig->uri, c->ouri) != 0 ||
+      strlen(response) != 32
+      // || now - strtoul(dig->nonce, NULL, 10) > 3600
+      ) {
+    return FALSE;
+  }
+
+  mg_md5(ha2, method, ":", uri, NULL);
+  mg_md5(expected_response, ha1, ":", nonce, ":", nc,
+      ":", cnonce, ":", qop, ":", ha2, NULL);
+
+  return mg_strcasecmp(response, expected_response) == 0;
+}
+
+// Use the global passwords file, if specified by auth_gpass option,
+// or search for .htpasswd in the requested directory.
+static FILE *open_auth_file(struct mg_connection *conn, const char *path) {
+  struct mg_context *ctx = conn->ctx;
+  char name[FILENAME_MAX];
+  const char *p, *e;
+  struct mgstat st;
+  FILE *fp;
+
+  if (ctx->config->global_passwords_file != NULL) {
+    // Use global passwords file
+    fp =  mg_fopen(ctx->config->global_passwords_file, "r");
+    if (fp == NULL)
+      cry(fc(ctx), "fopen(%s): %s",
+          ctx->config->global_passwords_file, strerror(ERRNO));
+  } else if (!mg_stat(path, &st) && st.is_directory) {
+    (void) mg_snprintf(conn, name, sizeof(name), "%s%c%s",
+        path, DIRSEP, PASSWORDS_FILE_NAME);
+    fp = mg_fopen(name, "r");
+  } else {
+     // Try to find .htpasswd in requested directory.
+    for (p = path, e = p + strlen(p) - 1; e > p; e--)
+      if (IS_DIRSEP_CHAR(*e))
+        break;
+    (void) mg_snprintf(conn, name, sizeof(name), "%.*s%c%s",
+        (int) (e - p), p, DIRSEP, PASSWORDS_FILE_NAME);
+    fp = mg_fopen(name, "r");
+  }
+
+  return fp;
+}
+
+// Parsed Authorization header
 struct ah {
-	char	*user, *uri, *cnonce, *response, *qop, *nc, *nonce;
+  char *user, *uri, *cnonce, *response, *qop, *nc, *nonce;
 };
 
-static bool_t
-parse_auth_header(struct mg_connection *conn, char *buf, size_t buf_size,
-		struct ah *ah)
-{
-	char		*name, *value, *s;
-	const char	*auth_header;
-
-	if ((auth_header = mg_get_header(conn, "Authorization")) == NULL ||
-	    mg_strncasecmp(auth_header, "Digest ", 7) != 0)
-		return (FALSE);
-
-	/* Make modifiable copy of the auth header */
-	(void) mg_strlcpy(buf, auth_header + 7, buf_size);
-
-	s = buf;
-	(void) memset(ah, 0, sizeof(*ah));
-
-	/* Gobble initial spaces */
-	while (isspace(* (unsigned char *) s))
-		s++;
-
-	/* Parse authorization header */
-	for (;;) {
-		name = skip(&s, "=");
-		value = skip(&s, " ");
-
-		/* Handle commas: Digest username="a", realm="b", ...*/
-		if (value[strlen(value) - 1] == ',')
-			value[strlen(value) - 1] = '\0';
-
-		/* Trim double quotes around values */
-		if (*value == '"') {
-			value++;
-			value[strlen(value) - 1] = '\0';
-		} else if (*value == '\0') {
-			break;
-		}
-
-		if (!strcmp(name, "username")) {
-			ah->user = value;
-		} else if (!strcmp(name, "cnonce")) {
-			ah->cnonce = value;
-		} else if (!strcmp(name, "response")) {
-			ah->response = value;
-		} else if (!strcmp(name, "uri")) {
-			ah->uri = value;
-		} else if (!strcmp(name, "qop")) {
-			ah->qop = value;
-		} else if (!strcmp(name, "nc")) {
-			ah->nc = value;
-		} else if (!strcmp(name, "nonce")) {
-			ah->nonce = value;
-		}
-	}
-
-	/* CGI needs it as REMOTE_USER */
-	if (ah->user != NULL)
-		conn->request_info.remote_user = mg_strdup(ah->user);
-
-	return (TRUE);
-}
-
-/*
- * Authorize against the opened passwords file. Return 1 if authorized.
- */
-static bool_t
-authorize(struct mg_connection *conn, FILE *fp)
-{
-	struct ah	ah;
-	char		line[256], f_user[256], ha1[256],
-			f_domain[256], buf[MAX_REQUEST_SIZE];
-
-	if (!parse_auth_header(conn, buf, sizeof(buf), &ah))
-		return (FALSE);
-
-	/* Loop over passwords file */
-	while (fgets(line, sizeof(line), fp) != NULL) {
-
-		if (sscanf(line, "%[^:]:%[^:]:%s", f_user, f_domain, ha1) != 3)
-			continue;
-
-		if (!strcmp(ah.user, f_user) &&
-		    !strcmp(conn->ctx->config->auth_domain, f_domain))
-			return (check_password(
-			    conn->request_info.request_method,
-			    ha1, ah.uri, ah.nonce, ah.nc, ah.cnonce, ah.qop,
-			    ah.response));
-	}
-
-	return (FALSE);
-}
-
-/*
- * Return TRUE if request is authorised, FALSE otherwise.
- */
-static bool_t
-check_authorization(struct mg_connection *conn, const char *path)
-{
-	FILE		*fp;
-	char		fname[FILENAME_MAX];
-	struct vec	uri_vec, filename_vec;
-	const char	*list;
-	bool_t		authorized;
-
-	fp = NULL;
-	authorized = TRUE;
-
-	list = conn->ctx->config->protect;
-	while ((list = next_option(list, &uri_vec, &filename_vec)) != NULL) {
-		if (!memcmp(conn->request_info.uri, uri_vec.ptr, uri_vec.len)) {
-			(void) mg_snprintf(conn, fname, sizeof(fname), "%.*s",
-			    filename_vec.len, filename_vec.ptr);
-			if ((fp = mg_fopen(fname, "r")) == NULL)
-				cry(conn, "%s: cannot open %s: %s",
-				    __func__, fname, strerror(errno));
-			break;
-		}
-	}
-
-	if (fp == NULL)
-		fp = open_auth_file(conn, path);
-
-	if (fp != NULL) {
-		authorized = authorize(conn, fp);
-		(void) fclose(fp);
-	}
-
-	return (authorized);
-}
-
-static void
-send_authorization_request(struct mg_connection *conn)
-{
-	conn->request_info.status_code = 401;
-	(void) mg_printf(conn,
-	    "HTTP/1.1 401 Unauthorized\r\n"
-	    "WWW-Authenticate: Digest qop=\"auth\", "
-	    "realm=\"%s\", nonce=\"%lu\"\r\n\r\n",
-	    conn->ctx->config->auth_domain,
-	    (unsigned long) time(NULL));
-}
-
-static bool_t
-is_authorized_for_put(struct mg_connection *conn)
-{
-	FILE	*fp;
-	int	ret = FALSE;
-
-	fp = conn->ctx->config->put_delete_passwords_file == NULL ? NULL :
-		mg_fopen(conn->ctx->config->put_delete_passwords_file, "r");
-
-
-	if (fp != NULL) {
-		ret = authorize(conn, fp);
-		(void) fclose(fp);
-	}
-
-	return (ret);
-}
-
-enum mg_error_t
-mg_modify_passwords_file(struct mg_context *ctx, const char *fname,
-		const char *user, const char *pass)
-{
-	int		found;
-	char		line[512], u[512], d[512], ha1[33], tmp[FILENAME_MAX];
-	const char	*domain;
-	FILE		*fp, *fp2;
-
-	found = 0;
-	fp = fp2 = NULL;
-	domain = ctx->config->auth_domain;
-
-	/* Regard empty password as no password - remove user record. */
-	if (pass[0] == '\0')
-		pass = NULL;
-
-	(void) snprintf(tmp, sizeof(tmp), "%s.tmp", fname);
-
-	/* Create the file if does not exist */
-	if ((fp = mg_fopen(fname, "a+")) != NULL)
-		(void) fclose(fp);
-
-	/* Open the given file and temporary file */
-	if ((fp = mg_fopen(fname, "r")) == NULL) {
-		cry(fc(ctx), "Cannot open %s: %s", fname, strerror(errno));
-		return (MG_ERROR);
-	} else if ((fp2 = mg_fopen(tmp, "w+")) == NULL) {
-		cry(fc(ctx), "Cannot open %s: %s", tmp, strerror(errno));
-		return (MG_ERROR);
-	}
-
-	/* Copy the stuff to temporary file */
-	while (fgets(line, sizeof(line), fp) != NULL) {
-
-		if (sscanf(line, "%[^:]:%[^:]:%*s", u, d) != 2)
-			continue;
-
-		if (!strcmp(u, user) && !strcmp(d, domain)) {
-			found++;
-			if (pass != NULL) {
-				mg_md5(ha1, user, ":", domain, ":", pass, NULL);
-				fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
-			}
-		} else {
-			(void) fprintf(fp2, "%s", line);
-		}
-	}
-
-	/* If new user, just add it */
-	if (!found && pass != NULL) {
-		mg_md5(ha1, user, ":", domain, ":", pass, NULL);
-		(void) fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
-	}
-
-	/* Close files */
-	(void) fclose(fp);
-	(void) fclose(fp2);
-
-	/* Put the temp file in place of real file */
-	(void) mg_remove(fname);
-	(void) mg_rename(tmp, fname);
-
-	return (MG_SUCCESS);
+static bool_t parse_auth_header(struct mg_connection *conn, char *buf,
+                                size_t buf_size, struct ah *ah) {
+  char *name, *value, *s;
+  const char *auth_header;
+
+  if ((auth_header = mg_get_header(conn, "Authorization")) == NULL ||
+      mg_strncasecmp(auth_header, "Digest ", 7) != 0) {
+    return FALSE;
+  }
+
+  // Make modifiable copy of the auth header
+  (void) mg_strlcpy(buf, auth_header + 7, buf_size);
+
+  s = buf;
+  (void) memset(ah, 0, sizeof(*ah));
+
+  // Gobble initial spaces
+  while (isspace(* (unsigned char *) s)) {
+    s++;
+  }
+
+  // Parse authorization header
+  for (;;) {
+    name = skip(&s, "=");
+    value = skip(&s, " ");
+
+    // Handle commas: Digest username="a", realm="b", ...
+    if (value[strlen(value) - 1] == ',') {
+      value[strlen(value) - 1] = '\0';
+    }
+
+    // Trim double quotes around values
+    if (*value == '"') {
+      value++;
+      value[strlen(value) - 1] = '\0';
+    } else if (*value == '\0') {
+      break;
+    }
+
+    if (!strcmp(name, "username")) {
+      ah->user = value;
+    } else if (!strcmp(name, "cnonce")) {
+      ah->cnonce = value;
+    } else if (!strcmp(name, "response")) {
+      ah->response = value;
+    } else if (!strcmp(name, "uri")) {
+      ah->uri = value;
+    } else if (!strcmp(name, "qop")) {
+      ah->qop = value;
+    } else if (!strcmp(name, "nc")) {
+      ah->nc = value;
+    } else if (!strcmp(name, "nonce")) {
+      ah->nonce = value;
+    }
+  }
+
+  // CGI needs it as REMOTE_USER
+  if (ah->user != NULL) {
+    conn->request_info.remote_user = mg_strdup(ah->user);
+  }
+
+  return TRUE;
+}
+
+// Authorize against the opened passwords file. Return 1 if authorized.
+static bool_t authorize(struct mg_connection *conn, FILE *fp) {
+  struct ah ah;
+  char line[256], f_user[256], ha1[256], f_domain[256], buf[MAX_REQUEST_SIZE];
+
+  if (!parse_auth_header(conn, buf, sizeof(buf), &ah)) {
+    return FALSE;
+  }
+
+  // Loop over passwords file
+  while (fgets(line, sizeof(line), fp) != NULL) {
+    if (sscanf(line, "%[^:]:%[^:]:%s", f_user, f_domain, ha1) != 3) {
+      continue;
+    }
+
+    if (!strcmp(ah.user, f_user) &&
+        !strcmp(conn->ctx->config->auth_domain, f_domain))
+      return check_password(
+            conn->request_info.request_method,
+            ha1, ah.uri, ah.nonce, ah.nc, ah.cnonce, ah.qop,
+            ah.response);
+  }
+
+  return FALSE;
+}
+
+// Return TRUE if request is authorised, FALSE otherwise.
+static bool_t check_authorization(struct mg_connection *conn,
+                                  const char *path) {
+  FILE *fp;
+  char fname[FILENAME_MAX];
+  struct vec uri_vec, filename_vec;
+  const char *list;
+  bool_t authorized;
+
+  fp = NULL;
+  authorized = TRUE;
+
+  list = conn->ctx->config->protect;
+  while ((list = next_option(list, &uri_vec, &filename_vec)) != NULL) {
+    if (!memcmp(conn->request_info.uri, uri_vec.ptr, uri_vec.len)) {
+      (void) mg_snprintf(conn, fname, sizeof(fname), "%.*s",
+          filename_vec.len, filename_vec.ptr);
+      if ((fp = mg_fopen(fname, "r")) == NULL) {
+        cry(conn, "%s: cannot open %s: %s", __func__, fname, strerror(errno));
+      }
+      break;
+    }
+  }
+
+  if (fp == NULL) {
+    fp = open_auth_file(conn, path);
+  }
+
+  if (fp != NULL) {
+    authorized = authorize(conn, fp);
+    (void) fclose(fp);
+  }
+
+  return authorized;
+}
+
+static void send_authorization_request(struct mg_connection *conn) {
+  conn->request_info.status_code = 401;
+  (void) mg_printf(conn,
+      "HTTP/1.1 401 Unauthorized\r\n"
+      "WWW-Authenticate: Digest qop=\"auth\", "
+      "realm=\"%s\", nonce=\"%lu\"\r\n\r\n",
+      conn->ctx->config->auth_domain,
+      (unsigned long) time(NULL));
+}
+
+static bool_t is_authorized_for_put(struct mg_connection *conn) {
+  FILE *fp;
+  int ret = FALSE;
+
+  fp = conn->ctx->config->put_delete_passwords_file == NULL ? NULL :
+    mg_fopen(conn->ctx->config->put_delete_passwords_file, "r");
+
+
+  if (fp != NULL) {
+    ret = authorize(conn, fp);
+    (void) fclose(fp);
+  }
+
+  return ret;
+}
+
+enum mg_error_t mg_modify_passwords_file(struct mg_context *ctx,
+                                         const char *fname, const char *user,
+                                         const char *pass) {
+  int found;
+  char line[512], u[512], d[512], ha1[33], tmp[FILENAME_MAX];
+  const char *domain;
+  FILE *fp, *fp2;
+
+  found = 0;
+  fp = fp2 = NULL;
+  domain = ctx->config->auth_domain;
+
+  // Regard empty password as no password - remove user record.
+  if (pass[0] == '\0') {
+    pass = NULL;
+  }
+
+  (void) snprintf(tmp, sizeof(tmp), "%s.tmp", fname);
+
+  // Create the file if does not exist
+  if ((fp = mg_fopen(fname, "a+")) != NULL) {
+    (void) fclose(fp);
+  }
+
+  // Open the given file and temporary file
+  if ((fp = mg_fopen(fname, "r")) == NULL) {
+    cry(fc(ctx), "Cannot open %s: %s", fname, strerror(errno));
+    return MG_ERROR;
+  } else if ((fp2 = mg_fopen(tmp, "w+")) == NULL) {
+    cry(fc(ctx), "Cannot open %s: %s", tmp, strerror(errno));
+    return MG_ERROR;
+  }
+
+  // Copy the stuff to temporary file
+  while (fgets(line, sizeof(line), fp) != NULL) {
+    if (sscanf(line, "%[^:]:%[^:]:%*s", u, d) != 2) {
+      continue;
+    }
+
+    if (!strcmp(u, user) && !strcmp(d, domain)) {
+      found++;
+      if (pass != NULL) {
+        mg_md5(ha1, user, ":", domain, ":", pass, NULL);
+        fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
+      }
+    } else {
+      (void) fprintf(fp2, "%s", line);
+    }
+  }
+
+  // If new user, just add it
+  if (!found && pass != NULL) {
+    mg_md5(ha1, user, ":", domain, ":", pass, NULL);
+    (void) fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
+  }
+
+  // Close files
+  (void) fclose(fp);
+  (void) fclose(fp2);
+
+  // Put the temp file in place of real file
+  (void) mg_remove(fname);
+  (void) mg_rename(tmp, fname);
+
+  return MG_SUCCESS;
 }
 
 struct de {
-	struct mg_connection	*conn;
-	char			*file_name;
-	struct mgstat		st;
+  struct mg_connection *conn;
+  char *file_name;
+  struct mgstat st;
 };
 
-static void
-url_encode(const char *src, char *dst, size_t dst_len)
-{
-	const char	*dont_escape = "._-$,;~()";
-	const char	*hex = "0123456789abcdef";
-	const char	*end = dst + dst_len - 1;
-	
-	for (; *src != '\0' && dst < end; src++, dst++) {
-		if (isalnum(*(unsigned char *) src) ||
-		    strchr(dont_escape, * (unsigned char *) src) != NULL) {
-			*dst = *src;
-		} else if (dst + 2 < end) {
-			dst[0] = '%';
-			dst[1] = hex[(* (unsigned char *) src) >> 4];
-			dst[2] = hex[(* (unsigned char *) src) & 0xf];
-			dst += 2;
-		}
-	}
-
-	*dst = '\0';
-}
-
-/*
- * This function is called from send_directory() and prints out
- * single directory entry.
- */
-static void
-print_dir_entry(struct de *de)
-{
-	char		size[64], mod[64], href[FILENAME_MAX];
-
-	if (de->st.is_directory) {
-		(void) mg_snprintf(de->conn,
-		    size, sizeof(size), "%s", "[DIRECTORY]");
-	} else {
-		/*
-		 * We use (signed) cast below because MSVC 6 compiler cannot
-		 * convert unsigned __int64 to double. Sigh.
-		 */
-		if (de->st.size < 1024)
-			(void) mg_snprintf(de->conn, size, sizeof(size),
-			    "%lu", (unsigned long) de->st.size);
-		else if (de->st.size < 1024 * 1024)
-			(void) mg_snprintf(de->conn, size, sizeof(size),
-			    "%.1fk", (double) de->st.size / 1024.0);
-		else if (de->st.size < 1024 * 1024 * 1024)
-			(void) mg_snprintf(de->conn, size, sizeof(size),
-			    "%.1fM", (double) de->st.size / 1048576);
-		else
-			(void) mg_snprintf(de->conn, size, sizeof(size),
-			  "%.1fG", (double) de->st.size / 1073741824);
-	}
-	(void) strftime(mod, sizeof(mod), "%d-%b-%Y %H:%M",
-		localtime(&de->st.mtime));
-
-	url_encode(de->file_name, href, sizeof(href));
-
-	de->conn->num_bytes_sent += mg_printf(de->conn,
-	    "<tr><td><a href=\"%s%s%s\">%s%s</a></td>"
-	    "<td>&nbsp;%s</td><td>&nbsp;&nbsp;%s</td></tr>\n",
-	    de->conn->request_info.uri, href, de->st.is_directory ? "/" : "",
-	    de->file_name, de->st.is_directory ? "/" : "", mod, size);
-}
-
-/*
- * This function is called from send_directory() and used for
- * sorting direcotory entries by size, or name, or modification time.
- */
-static int
-compare_dir_entries(const void *p1, const void *p2)
-{
-	const struct de	*a = (struct de *) p1, *b = (struct de *) p2;
-	const char	*query_string = a->conn->request_info.query_string;
-	int		cmp_result = 0;
-
-	if (query_string == NULL)
-		query_string = "na";
-
-	if (a->st.is_directory && !b->st.is_directory) {
-		return (-1);  /* Always put directories on top */
-	} else if (!a->st.is_directory && b->st.is_directory) {
-		return (1);   /* Always put directories on top */
-	} else if (*query_string == 'n') {
-		cmp_result = strcmp(a->file_name, b->file_name);
-	} else if (*query_string == 's') {
-		cmp_result = a->st.size == b->st.size ? 0 :
-			a->st.size > b->st.size ? 1 : -1;
-	} else if (*query_string == 'd') {
-		cmp_result = a->st.mtime == b->st.mtime ? 0 :
-			a->st.mtime > b->st.mtime ? 1 : -1;
-	}
-
-	return (query_string[1] == 'd' ? -cmp_result : cmp_result);
-}
-
-/*
- * Send directory contents.
- */
-static void
-send_directory(struct mg_connection *conn, const char *dir)
-{
-	struct dirent	*dp;
-	DIR		*dirp;
-	struct de	*entries = NULL;
-	char		path[FILENAME_MAX];
-	int		i, sort_direction, num_entries = 0, arr_size = 128;
-
-	if ((dirp = opendir(dir)) == NULL) {
-		send_error(conn, 500, "Cannot open directory",
-		    "Error: opendir(%s): %s", path, strerror(ERRNO));
-		return;
-	}
-
-	(void) mg_printf(conn, "%s",
-	    "HTTP/1.1 200 OK\r\n"
-	    "Connection: close\r\n"
-	    "Content-Type: text/html; charset=utf-8\r\n\r\n");
-
-	sort_direction = conn->request_info.query_string != NULL &&
-	    conn->request_info.query_string[1] == 'd' ? 'a' : 'd';
-
-	while ((dp = readdir(dirp)) != NULL) {
-
-		/* Do not show current dir and passwords file */
-		if (!strcmp(dp->d_name, ".") ||
-		    !strcmp(dp->d_name, "..") ||
-		    !strcmp(dp->d_name, PASSWORDS_FILE_NAME))
-			continue;
-
-		if (entries == NULL || num_entries >= arr_size) {
-			arr_size *= 2;
-			entries = (struct de *) realloc(entries,
-			    arr_size * sizeof(entries[0]));
-		}
-
-		if (entries == NULL) {
-			send_error(conn, 500, "Cannot open directory",
-			    "%s", "Error: cannot allocate memory");
-			return;
-		}
-
-		(void) mg_snprintf(conn, path, sizeof(path), "%s%c%s",
-		    dir, DIRSEP, dp->d_name);
-
-		/*
-		 * If we don't memset stat structure to zero, mtime will have
-		 * garbage and strftime() will segfault later on in
-		 * print_dir_entry(). memset is required only if mg_stat()
-		 * fails. For more details, see
-		 * http://code.google.com/p/mongoose/issues/detail?id=79
-		 */
-		if (mg_stat(path, &entries[num_entries].st) != 0)
-			(void) memset(&entries[num_entries].st, 0,
-			    sizeof(entries[num_entries].st));
-
-		entries[num_entries].conn = conn;
-		entries[num_entries].file_name = mg_strdup(dp->d_name);
-		num_entries++;
-	}
-	(void) closedir(dirp);
-
-	conn->num_bytes_sent += mg_printf(conn,
-	    "<html><head><title>Index of %s</title>"
-	    "<style>th {text-align: left;}</style></head>"
-	    "<body><h1>Index of %s</h1><pre><table cellpadding=\"0\">"
-	    "<tr><th><a href=\"?n%c\">Name</a></th>"
-	    "<th><a href=\"?d%c\">Modified</a></th>"
-	    "<th><a href=\"?s%c\">Size</a></th></tr>"
-	    "<tr><td colspan=\"3\"><hr></td></tr>",
-	    conn->request_info.uri, conn->request_info.uri,
-	    sort_direction, sort_direction, sort_direction);
-
-	/* Print first entry - link to a parent directory */
-	conn->num_bytes_sent += mg_printf(conn,
-	    "<tr><td><a href=\"%s%s\">%s</a></td>"
-	    "<td>&nbsp;%s</td><td>&nbsp;&nbsp;%s</td></tr>\n",
-	    conn->request_info.uri, "..", "Parent directory", "-", "-");
-
-	/* Sort and print directory entries */
-	qsort(entries, num_entries, sizeof(entries[0]), compare_dir_entries);
-	for (i = 0; i < num_entries; i++) {
-		print_dir_entry(&entries[i]);
-		free(entries[i].file_name);
-	}
-	free(entries);
-
-	conn->num_bytes_sent += mg_printf(conn, "%s", "</table></body></html>");
-	conn->request_info.status_code = 200;
-}
-
-/*
- * Send len bytes from the opened file to the client.
- */
-static void
-send_opened_file_stream(struct mg_connection *conn, FILE *fp, int64_t len)
-{
-	char	buf[BUFSIZ];
-	int	to_read, num_read, num_written;
-
-	while (len > 0) {
-		/* Calculate how much to read from the file in the buffer */
-		to_read = sizeof(buf);
-		if ((int64_t) to_read > len)
-			to_read = (int) len;
-
-		/* Read from file, exit the loop on error */
-		if ((num_read = fread(buf, 1, to_read, fp)) == 0)
-			break;
-
-		/* Send read bytes to the client, exit the loop on error */
-		if ((num_written = mg_write(conn, buf, num_read)) != num_read)
-			break;
-
-		/* Both read and were successful, adjust counters */
-		conn->num_bytes_sent += num_written;
-		len -= num_written;
-	}
-}
-
-static int
-parse_range_header(const char *header, int64_t *a, int64_t *b)
-{
-	return sscanf(header, "bytes=%" INT64_FMT "-%" INT64_FMT, a, b);
-}
-
-/*
- * Send regular file contents.
- */
-static void
-send_file(struct mg_connection *conn, const char *path, struct mgstat *stp)
-{
-	char		date[64], lm[64], etag[64], range[64];
-	const char	*fmt = "%a, %d %b %Y %H:%M:%S %Z", *msg = "OK", *hdr;
-	time_t		curtime = time(NULL);
-	int64_t		cl, r1, r2;
-	struct vec	mime_vec;
-	FILE		*fp;
-	int		n;
-
-	get_mime_type(conn->ctx, path, &mime_vec);
-	cl = stp->size;
-	conn->request_info.status_code = 200;
-	range[0] = '\0';
-
-	if ((fp = mg_fopen(path, "rb")) == NULL) {
-		send_error(conn, 500, http_500_error,
-		    "fopen(%s): %s", path, strerror(ERRNO));
-		return;
-	}
-	set_close_on_exec(fileno(fp));
-
-	/* If Range: header specified, act accordingly */
-	r1 = r2 = 0;
-	hdr = mg_get_header(conn, "Range");
-	if (hdr != NULL && (n = parse_range_header(hdr, &r1, &r2)) > 0) {
-		conn->request_info.status_code = 206;
-		(void) fseeko(fp, (off_t) r1, SEEK_SET);
-		cl = n == 2 ? r2 - r1 + 1: cl - r1;
-		(void) mg_snprintf(conn, range, sizeof(range),
-		    "Content-Range: bytes "
-		    "%" INT64_FMT "-%"
-		    INT64_FMT "/%" INT64_FMT "\r\n",
-		    r1, r1 + cl - 1, stp->size);
-		msg = "Partial Content";
-	}
-
-	/* Prepare Etag, Date, Last-Modified headers */
-	(void) strftime(date, sizeof(date), fmt, localtime(&curtime));
-	(void) strftime(lm, sizeof(lm), fmt, localtime(&stp->mtime));
-	(void) mg_snprintf(conn, etag, sizeof(etag), "%lx.%lx",
-	    (unsigned long) stp->mtime, (unsigned long) stp->size);
-
-	(void) mg_printf(conn,
-	    "HTTP/1.1 %d %s\r\n"
-	    "Date: %s\r\n"
-	    "Last-Modified: %s\r\n"
-	    "Etag: \"%s\"\r\n"
-	    "Content-Type: %.*s\r\n"
-	    "Content-Length: %" INT64_FMT "\r\n"
-	    "Connection: close\r\n"
-	    "Accept-Ranges: bytes\r\n"
-	    "%s\r\n",
-	    conn->request_info.status_code, msg, date, lm, etag,
-	    mime_vec.len, mime_vec.ptr, cl, range);
-
-	if (strcmp(conn->request_info.request_method, "HEAD") != 0)
-		send_opened_file_stream(conn, fp, cl);
-	(void) fclose(fp);
-}
-
-/*
- * Parse HTTP headers from the given buffer, advance buffer to the point
- * where parsing stopped.
- */
-static void
-parse_http_headers(char **buf, struct mg_request_info *ri)
-{
-	int	i;
-
-	for (i = 0; i < (int) ARRAY_SIZE(ri->http_headers); i++) {
-		ri->http_headers[i].name = skip(buf, ": ");
-		ri->http_headers[i].value = skip(buf, "\r\n");
-		if (ri->http_headers[i].name[0] == '\0')
-			break;
-		ri->num_headers = i + 1;
-	}
-}
-
-static bool_t
-is_valid_http_method(const char *method)
-{
-	return (!strcmp(method, "GET") ||
-	    !strcmp(method, "POST") ||
-	    !strcmp(method, "HEAD") ||
-	    !strcmp(method, "PUT") ||
-	    !strcmp(method, "DELETE"));
-}
-
-/*
- * Parse HTTP request, fill in mg_request_info structure.
- */
-static bool_t
-parse_http_request(char *buf, struct mg_request_info *ri)
-{
-	int	success_code = FALSE;
-
-	ri->request_method = skip(&buf, " ");
-	ri->uri = skip(&buf, " ");
-	ri->http_version = skip(&buf, "\r\n");
-
-	if (is_valid_http_method(ri->request_method) &&
-	    ri->uri[0] == '/' &&
-	    strncmp(ri->http_version, "HTTP/", 5) == 0) {
-		ri->http_version += 5;   /* Skip "HTTP/" */
-		parse_http_headers(&buf, ri);
-		success_code = TRUE;
-	}
-
-	return (success_code);
-}
-
-/*
- * Keep reading the input (either opened file descriptor fd, or socket sock,
- * or SSL descriptor ssl) into buffer buf, until \r\n\r\n appears in the
- * buffer (which marks the end of HTTP request). Buffer buf may already
- * have some data. The length of the data is stored in nread.
- * Upon every read operation, increase nread by the number of bytes read.
- */
-static int
-read_request(FILE *fp, SOCKET sock, SSL *ssl, char *buf, int bufsiz, int *nread)
-{
-	int	n, request_len;
-
-	request_len = 0;
-	while (*nread < bufsiz && request_len == 0) {
-		n = pull(fp, sock, ssl, buf + *nread, bufsiz - *nread);
-		if (n <= 0) {
-			break;
-		} else {
-			*nread += n;
-			request_len = get_request_len(buf, (size_t) *nread);
-		}
-	}
-
-	return (request_len);
-}
-
-/*
- * For given directory path, substitute it to valid index file.
- * Return 0 if index file has been found, -1 if not found.
- * If the file is found, it's stats is returned in stp.
- */
-static bool_t
-substitute_index_file(struct mg_connection *conn,
-		char *path, size_t path_len, struct mgstat *stp)
-{
-	const char	*list;
-	struct mgstat	st;
-	struct vec	filename_vec;
-	size_t		n;
-	bool_t		found;
-
-	n = strlen(path);
-
-	/*
-	 * The 'path' given to us points to the directory. Remove all trailing
-	 * directory separator characters from the end of the path, and
-	 * then append single directory separator character.
-	 */
-	while (n > 0 && IS_DIRSEP_CHAR(path[n - 1]))
-		n--;
-	path[n] = DIRSEP;
-
-	/*
-	 * Traverse index files list. For each entry, append it to the given
-	 * path and see if the file exists. If it exists, break the loop
-	 */
-	list = conn->ctx->config->index_files;
-	found = FALSE;
-
-	while ((list = next_option(list, &filename_vec, NULL)) != NULL) {
-
-		/* Ignore too long entries that may overflow path buffer */
-		if (filename_vec.len > path_len - n)
-			continue;
-
-		/* Prepare full path to the index file  */
-		(void) mg_strlcpy(path + n + 1,
-		    filename_vec.ptr, filename_vec.len + 1);
-
-		/* Does it exist ? */
-		if (mg_stat(path, &st) == 0) {
-			/* Yes it does, break the loop */
-			*stp = st;
-			found = TRUE;
-			break;
-		}
-	}
-
-	/* If no index file exists, restore directory path */
-	if (found == FALSE)
-		path[n] = '\0';
-
-	return (found);
-}
-
-/*
- * Return True if we should reply 304 Not Modified.
- */
-static bool_t
-is_not_modified(const struct mg_connection *conn, const struct mgstat *stp)
-{
-	const char *ims = mg_get_header(conn, "If-Modified-Since");
-	return (ims != NULL && stp->mtime <= date_to_epoch(ims));
-}
-
-static bool_t
-append_chunk(struct mg_request_info *ri, FILE *fp, const char *buf, int len)
-{
-	bool_t	ret_code = TRUE;
-
-	if (fp == NULL) {
-		/* TODO: check for NULL here */
-		ri->post_data = (char *) realloc(ri->post_data,
-		    ri->post_data_len + len);
-		(void) memcpy(ri->post_data + ri->post_data_len, buf, len);
-		ri->post_data_len += len;
-	} else if (push(fp, INVALID_SOCKET,
-	    NULL, buf, (int64_t) len) != (int64_t) len) {
-		ret_code = FALSE;
-	}
-
-	return (ret_code);
-}
-
-static bool_t
-handle_request_body(struct mg_connection *conn, FILE *fp)
-{
-	struct mg_request_info	*ri = &conn->request_info;
-	const char	*expect, *tmp;
-	int64_t		content_len;
-	char		buf[BUFSIZ];
-	int		to_read, nread, already_read;
-	bool_t		success_code = FALSE;
-
-	content_len = get_content_length(conn);
-	expect = mg_get_header(conn, "Expect");
-
-	if (content_len == -1) {
-		send_error(conn, 411, "Length Required", "");
-	} else if (expect != NULL && mg_strcasecmp(expect, "100-continue")) {
-		send_error(conn, 417, "Expectation Failed", "");
-	} else {
-		if (expect != NULL)
-			(void) mg_printf(conn, "HTTP/1.1 100 Continue\r\n\r\n");
-
-		already_read = ri->post_data_len;
-		assert(already_read >= 0);
-
-		if (content_len <= (int64_t) already_read) {
-			ri->post_data_len = (int) content_len;
-			/*
-			 * If fp is NULL, this is embedded mode, and we do not
-			 * have to do anything: POST data is already there,
-			 * no need to allocate a buffer and copy it in.
-			 * If fp != NULL, we need to write the data.
-			 */
-			success_code = fp == NULL || (push(fp, INVALID_SOCKET,
-			    NULL, ri->post_data, content_len) == content_len) ?
-			    TRUE : FALSE;
-		} else {
-
-			if (fp == NULL) {
-				conn->free_post_data = TRUE;
-				tmp = ri->post_data;
-				/* +1 in case if already_read == 0 */
-				ri->post_data = (char*)malloc(already_read + 1);
-				(void) memcpy(ri->post_data, tmp, already_read);
-			} else {
-				(void) push(fp, INVALID_SOCKET, NULL,
-				    ri->post_data, (int64_t) already_read);
-			}
-
-			content_len -= already_read;
-
-			while (content_len > 0) {
-				to_read = sizeof(buf);
-				if ((int64_t) to_read > content_len)
-					to_read = (int) content_len;
-				nread = pull(NULL, conn->client.sock,
-				    conn->ssl, buf, to_read);
-				if (nread <= 0)
-					break;
-				if (!append_chunk(ri, fp, buf, nread))
-					break;
-				content_len -= nread;
-			}
-			success_code = content_len == 0 ? TRUE : FALSE;
-		}
-
-		/* Each error code path in this function must send an error */
-		if (success_code != TRUE)
-			send_error(conn, 577, http_500_error,
-			    "%s", "Error handling body data");
-	}
-
-	return (success_code);
+static void url_encode(const char *src, char *dst, size_t dst_len) {
+  const char *dont_escape = "._-$,;~()";
+  const char *hex = "0123456789abcdef";
+  const char *end = dst + dst_len - 1;
+
+  for (; *src != '\0' && dst < end; src++, dst++) {
+    if (isalnum(*(unsigned char *) src) ||
+        strchr(dont_escape, * (unsigned char *) src) != NULL) {
+      *dst = *src;
+    } else if (dst + 2 < end) {
+      dst[0] = '%';
+      dst[1] = hex[(* (unsigned char *) src) >> 4];
+      dst[2] = hex[(* (unsigned char *) src) & 0xf];
+      dst += 2;
+    }
+  }
+
+  *dst = '\0';
+}
+
+static void print_dir_entry(struct de *de) {
+  char size[64], mod[64], href[FILENAME_MAX];
+
+  if (de->st.is_directory) {
+    (void) mg_snprintf(de->conn, size, sizeof(size), "%s", "[DIRECTORY]");
+  } else {
+     // We use (signed) cast below because MSVC 6 compiler cannot
+     // convert unsigned __int64 to double. Sigh.
+    if (de->st.size < 1024) {
+      (void) mg_snprintf(de->conn, size, sizeof(size),
+          "%lu", (unsigned long) de->st.size);
+    } else if (de->st.size < 1024 * 1024) {
+      (void) mg_snprintf(de->conn, size, sizeof(size),
+          "%.1fk", (double) de->st.size / 1024.0);
+    } else if (de->st.size < 1024 * 1024 * 1024) {
+      (void) mg_snprintf(de->conn, size, sizeof(size),
+          "%.1fM", (double) de->st.size / 1048576);
+    } else {
+      (void) mg_snprintf(de->conn, size, sizeof(size),
+          "%.1fG", (double) de->st.size / 1073741824);
+    }
+  }
+  (void) strftime(mod, sizeof(mod), "%d-%b-%Y %H:%M", localtime(&de->st.mtime));
+  url_encode(de->file_name, href, sizeof(href));
+  de->conn->num_bytes_sent += mg_printf(de->conn,
+      "<tr><td><a href=\"%s%s%s\">%s%s</a></td>"
+      "<td>&nbsp;%s</td><td>&nbsp;&nbsp;%s</td></tr>\n",
+      de->conn->request_info.uri, href, de->st.is_directory ? "/" : "",
+      de->file_name, de->st.is_directory ? "/" : "", mod, size);
+}
+
+// This function is called from send_directory() and used for
+// sorting directory entries by size, or name, or modification time.
+static int compare_dir_entries(const void *p1, const void *p2) {
+  const struct de *a = (struct de *) p1, *b = (struct de *) p2;
+  const char *query_string = a->conn->request_info.query_string;
+  int cmp_result = 0;
+
+  if (query_string == NULL) {
+    query_string = "na";
+  }
+
+  if (a->st.is_directory && !b->st.is_directory) {
+    return -1;  // Always put directories on top
+  } else if (!a->st.is_directory && b->st.is_directory) {
+    return 1;   // Always put directories on top
+  } else if (*query_string == 'n') {
+    cmp_result = strcmp(a->file_name, b->file_name);
+  } else if (*query_string == 's') {
+    cmp_result = a->st.size == b->st.size ? 0 :
+      a->st.size > b->st.size ? 1 : -1;
+  } else if (*query_string == 'd') {
+    cmp_result = a->st.mtime == b->st.mtime ? 0 :
+      a->st.mtime > b->st.mtime ? 1 : -1;
+  }
+
+  return query_string[1] == 'd' ? -cmp_result : cmp_result;
+}
+
+static void handle_directory_request(struct mg_connection *conn,
+                                     const char *dir) {
+  struct dirent *dp;
+  DIR *dirp;
+  struct de *entries = NULL;
+  char path[FILENAME_MAX];
+  int i, sort_direction, num_entries = 0, arr_size = 128;
+
+  if ((dirp = opendir(dir)) == NULL) {
+    send_http_error(conn, 500, "Cannot open directory",
+        "Error: opendir(%s): %s", path, strerror(ERRNO));
+    return;
+  }
+
+  (void) mg_printf(conn, "%s",
+      "HTTP/1.1 200 OK\r\n"
+      "Connection: close\r\n"
+      "Content-Type: text/html; charset=utf-8\r\n\r\n");
+
+  sort_direction = conn->request_info.query_string != NULL &&
+    conn->request_info.query_string[1] == 'd' ? 'a' : 'd';
+
+  while ((dp = readdir(dirp)) != NULL) {
+
+    // Do not show current dir and passwords file
+    if (!strcmp(dp->d_name, ".") ||
+        !strcmp(dp->d_name, "..") ||
+        !strcmp(dp->d_name, PASSWORDS_FILE_NAME))
+      continue;
+
+    if (entries == NULL || num_entries >= arr_size) {
+      arr_size *= 2;
+      entries = (struct de *) realloc(entries,
+          arr_size * sizeof(entries[0]));
+    }
+
+    if (entries == NULL) {
+      send_http_error(conn, 500, "Cannot open directory",
+          "%s", "Error: cannot allocate memory");
+      return;
+    }
+
+    mg_snprintf(conn, path, sizeof(path), "%s%c%s", dir, DIRSEP, dp->d_name);
+
+    // If we don't memset stat structure to zero, mtime will have
+    // garbage and strftime() will segfault later on in
+    // print_dir_entry(). memset is required only if mg_stat()
+    // fails. For more details, see
+    // http://code.google.com/p/mongoose/issues/detail?id=79
+    if (mg_stat(path, &entries[num_entries].st) != 0) {
+      memset(&entries[num_entries].st, 0, sizeof(entries[num_entries].st));
+    }
+
+    entries[num_entries].conn = conn;
+    entries[num_entries].file_name = mg_strdup(dp->d_name);
+    num_entries++;
+  }
+  (void) closedir(dirp);
+
+  conn->num_bytes_sent += mg_printf(conn,
+      "<html><head><title>Index of %s</title>"
+      "<style>th {text-align: left;}</style></head>"
+      "<body><h1>Index of %s</h1><pre><table cellpadding=\"0\">"
+      "<tr><th><a href=\"?n%c\">Name</a></th>"
+      "<th><a href=\"?d%c\">Modified</a></th>"
+      "<th><a href=\"?s%c\">Size</a></th></tr>"
+      "<tr><td colspan=\"3\"><hr></td></tr>",
+      conn->request_info.uri, conn->request_info.uri,
+      sort_direction, sort_direction, sort_direction);
+
+  // Print first entry - link to a parent directory
+  conn->num_bytes_sent += mg_printf(conn,
+      "<tr><td><a href=\"%s%s\">%s</a></td>"
+      "<td>&nbsp;%s</td><td>&nbsp;&nbsp;%s</td></tr>\n",
+      conn->request_info.uri, "..", "Parent directory", "-", "-");
+
+  // Sort and print directory entries
+  qsort(entries, num_entries, sizeof(entries[0]), compare_dir_entries);
+  for (i = 0; i < num_entries; i++) {
+    print_dir_entry(&entries[i]);
+    free(entries[i].file_name);
+  }
+  free(entries);
+
+  conn->num_bytes_sent += mg_printf(conn, "%s", "</table></body></html>");
+  conn->request_info.status_code = 200;
+}
+
+// Send len bytes from the opened file to the client.
+static void send_file_data(struct mg_connection *conn, FILE *fp, int64_t len) {
+  char buf[BUFSIZ];
+  int to_read, num_read, num_written;
+
+  while (len > 0) {
+    // Calculate how much to read from the file in the buffer
+    to_read = sizeof(buf);
+    if ((int64_t) to_read > len)
+      to_read = (int) len;
+
+    // Read from file, exit the loop on error
+    if ((num_read = fread(buf, 1, to_read, fp)) == 0)
+      break;
+
+    // Send read bytes to the client, exit the loop on error
+    if ((num_written = mg_write(conn, buf, num_read)) != num_read)
+      break;
+
+    // Both read and were successful, adjust counters
+    conn->num_bytes_sent += num_written;
+    len -= num_written;
+  }
+}
+
+static int parse_range_header(const char *header, int64_t *a, int64_t *b) {
+  return sscanf(header, "bytes=%" INT64_FMT "-%" INT64_FMT, a, b);
+}
+
+static void handle_file_request(struct mg_connection *conn, const char *path,
+                                struct mgstat *stp) {
+  char date[64], lm[64], etag[64], range[64];
+  const char *fmt = "%a, %d %b %Y %H:%M:%S %Z", *msg = "OK", *hdr;
+  time_t curtime = time(NULL);
+  int64_t cl, r1, r2;
+  struct vec mime_vec;
+  FILE *fp;
+  int n;
+
+  get_mime_type(conn->ctx, path, &mime_vec);
+  cl = stp->size;
+  conn->request_info.status_code = 200;
+  range[0] = '\0';
+
+  if ((fp = mg_fopen(path, "rb")) == NULL) {
+    send_http_error(conn, 500, http_500_error,
+        "fopen(%s): %s", path, strerror(ERRNO));
+    return;
+  }
+  set_close_on_exec(fileno(fp));
+
+  // If Range: header specified, act accordingly
+  r1 = r2 = 0;
+  hdr = mg_get_header(conn, "Range");
+  if (hdr != NULL && (n = parse_range_header(hdr, &r1, &r2)) > 0) {
+    conn->request_info.status_code = 206;
+    (void) fseeko(fp, (off_t) r1, SEEK_SET);
+    cl = n == 2 ? r2 - r1 + 1: cl - r1;
+    (void) mg_snprintf(conn, range, sizeof(range),
+        "Content-Range: bytes "
+        "%" INT64_FMT "-%"
+        INT64_FMT "/%" INT64_FMT "\r\n",
+        r1, r1 + cl - 1, stp->size);
+    msg = "Partial Content";
+  }
+
+  // Prepare Etag, Date, Last-Modified headers
+  (void) strftime(date, sizeof(date), fmt, localtime(&curtime));
+  (void) strftime(lm, sizeof(lm), fmt, localtime(&stp->mtime));
+  (void) mg_snprintf(conn, etag, sizeof(etag), "%lx.%lx",
+      (unsigned long) stp->mtime, (unsigned long) stp->size);
+
+  (void) mg_printf(conn,
+      "HTTP/1.1 %d %s\r\n"
+      "Date: %s\r\n"
+      "Last-Modified: %s\r\n"
+      "Etag: \"%s\"\r\n"
+      "Content-Type: %.*s\r\n"
+      "Content-Length: %" INT64_FMT "\r\n"
+      "Connection: close\r\n"
+      "Accept-Ranges: bytes\r\n"
+      "%s\r\n",
+      conn->request_info.status_code, msg, date, lm, etag,
+      mime_vec.len, mime_vec.ptr, cl, range);
+
+  if (strcmp(conn->request_info.request_method, "HEAD") != 0)
+    send_file_data(conn, fp, cl);
+  (void) fclose(fp);
+}
+
+// Parse HTTP headers from the given buffer, advance buffer to the point
+// where parsing stopped.
+static void parse_http_headers(char **buf, struct mg_request_info *ri) {
+  int i;
+
+  for (i = 0; i < (int) ARRAY_SIZE(ri->http_headers); i++) {
+    ri->http_headers[i].name = skip(buf, ": ");
+    ri->http_headers[i].value = skip(buf, "\r\n");
+    if (ri->http_headers[i].name[0] == '\0')
+      break;
+    ri->num_headers = i + 1;
+  }
+}
+
+static bool_t is_valid_http_method(const char *method) {
+  return !strcmp(method, "GET") ||
+      !strcmp(method, "POST") ||
+      !strcmp(method, "HEAD") ||
+      !strcmp(method, "PUT") ||
+      !strcmp(method, "DELETE");
+}
+
+// Parse HTTP request, fill in mg_request_info structure.
+static bool_t parse_http_request(char *buf, struct mg_request_info *ri) {
+  int status = FALSE;
+
+  ri->request_method = skip(&buf, " ");
+  ri->uri = skip(&buf, " ");
+  ri->http_version = skip(&buf, "\r\n");
+
+  if (is_valid_http_method(ri->request_method) &&
+      ri->uri[0] == '/' &&
+      strncmp(ri->http_version, "HTTP/", 5) == 0) {
+    ri->http_version += 5;   /* Skip "HTTP/" */
+    parse_http_headers(&buf, ri);
+    status = TRUE;
+  }
+
+  return status;
+}
+
+// Keep reading the input (either opened file descriptor fd, or socket sock,
+// or SSL descriptor ssl) into buffer buf, until \r\n\r\n appears in the
+// buffer (which marks the end of HTTP request). Buffer buf may already
+// have some data. The length of the data is stored in nread.
+// Upon every read operation, increase nread by the number of bytes read.
+static int read_request(FILE *fp, SOCKET sock, SSL *ssl, char *buf, int bufsiz,
+                        int *nread) {
+  int n, request_len;
+
+  request_len = 0;
+  while (*nread < bufsiz && request_len == 0) {
+    n = pull(fp, sock, ssl, buf + *nread, bufsiz - *nread);
+    if (n <= 0) {
+      break;
+    } else {
+      *nread += n;
+      request_len = get_request_len(buf, (size_t) *nread);
+    }
+  }
+
+  return request_len;
+}
+
+// For given directory path, substitute it to valid index file.
+// Return 0 if index file has been found, -1 if not found.
+// If the file is found, it's stats is returned in stp.
+static bool_t substitute_index_file(struct mg_connection *conn, char *path,
+                                    size_t path_len, struct mgstat *stp) {
+  const char *list;
+  struct mgstat st;
+  struct vec filename_vec;
+  size_t n;
+  bool_t found;
+
+  n = strlen(path);
+
+  // The 'path' given to us points to the directory. Remove all trailing
+  // directory separator characters from the end of the path, and
+  // then append single directory separator character.
+  while (n > 0 && IS_DIRSEP_CHAR(path[n - 1])) {
+    n--;
+  }
+  path[n] = DIRSEP;
+
+  // Traverse index files list. For each entry, append it to the given
+  // path and see if the file exists. If it exists, break the loop
+  list = conn->ctx->config->index_files;
+  found = FALSE;
+
+  while ((list = next_option(list, &filename_vec, NULL)) != NULL) {
+
+    // Ignore too long entries that may overflow path buffer
+    if (filename_vec.len > path_len - n)
+      continue;
+
+    // Prepare full path to the index file
+    (void) mg_strlcpy(path + n + 1, filename_vec.ptr, filename_vec.len + 1);
+
+    // Does it exist?
+    if (mg_stat(path, &st) == 0) {
+      // Yes it does, break the loop
+      *stp = st;
+      found = TRUE;
+      break;
+    }
+  }
+
+  // If no index file exists, restore directory path
+  if (found == FALSE) {
+    path[n] = '\0';
+  }
+
+  return found;
+}
+
+// Return True if we should reply 304 Not Modified.
+static bool_t is_not_modified(const struct mg_connection *conn,
+                              const struct mgstat *stp) {
+  const char *ims = mg_get_header(conn, "If-Modified-Since");
+  return ims != NULL && stp->mtime <= parse_date_string(ims);
+}
+
+static bool_t append_chunk(struct mg_request_info *ri, FILE *fp,
+                           const char *buf, int len) {
+  bool_t ret_code = TRUE;
+
+  if (fp == NULL) {
+    // TODO: check for NULL here
+    ri->post_data = (char *) realloc(ri->post_data,
+        ri->post_data_len + len);
+    (void) memcpy(ri->post_data + ri->post_data_len, buf, len);
+    ri->post_data_len += len;
+  } else if (push(fp, INVALID_SOCKET, NULL, buf, (int64_t) len) !=
+      (int64_t) len) {
+    ret_code = FALSE;
+  }
+
+  return ret_code;
+}
+
+static bool_t handle_request_body(struct mg_connection *conn, FILE *fp) {
+  struct mg_request_info *ri = &conn->request_info;
+  const char *expect, *tmp;
+  int64_t content_len;
+  char buf[BUFSIZ];
+  int to_read, nread, already_read;
+  bool_t success_code = FALSE;
+
+  content_len = get_content_length(conn);
+  expect = mg_get_header(conn, "Expect");
+
+  if (content_len == -1) {
+    send_http_error(conn, 411, "Length Required", "");
+  } else if (expect != NULL && mg_strcasecmp(expect, "100-continue")) {
+    send_http_error(conn, 417, "Expectation Failed", "");
+  } else {
+    if (expect != NULL) {
+      (void) mg_printf(conn, "HTTP/1.1 100 Continue\r\n\r\n");
+    }
+
+    already_read = ri->post_data_len;
+    assert(already_read >= 0);
+
+    if (content_len <= (int64_t) already_read) {
+      ri->post_data_len = (int) content_len;
+      // If fp is NULL, this is embedded mode, and we do not
+      // have to do anything: POST data is already there,
+      // no need to allocate a buffer and copy it in.
+      // If fp != NULL, we need to write the data.
+      success_code = fp == NULL || (push(fp, INVALID_SOCKET,
+            NULL, ri->post_data, content_len) == content_len) ?
+        TRUE : FALSE;
+    } else {
+
+      if (fp == NULL) {
+        conn->free_post_data = TRUE;
+        tmp = ri->post_data;
+        /* +1 in case if already_read == 0 */
+        ri->post_data = (char*)malloc(already_read + 1);
+        (void) memcpy(ri->post_data, tmp, already_read);
+      } else {
+        (void) push(fp, INVALID_SOCKET, NULL,
+            ri->post_data, (int64_t) already_read);
+      }
+
+      content_len -= already_read;
+
+      while (content_len > 0) {
+        to_read = sizeof(buf);
+        if ((int64_t) to_read > content_len)
+          to_read = (int) content_len;
+        nread = pull(NULL, conn->client.sock,
+            conn->ssl, buf, to_read);
+        if (nread <= 0)
+          break;
+        if (!append_chunk(ri, fp, buf, nread))
+          break;
+        content_len -= nread;
+      }
+      success_code = content_len == 0 ? TRUE : FALSE;
+    }
+
+    // Each error code path in this function must send an error
+    if (success_code != TRUE) {
+      send_http_error(conn, 577, http_500_error,
+          "%s", "Error handling body data");
+    }
+  }
+
+  return success_code;
 }
 
 #if !defined(NO_CGI)
-
-/*
- * This structure helps to create an environment for the spawned CGI program.
- * Environment is an array of "VARIABLE=VALUE\0" ASCIIZ strings,
- * last element must be NULL.
- * However, on Windows there is a requirement that all these VARIABLE=VALUE\0
- * strings must reside in a contiguous buffer. The end of the buffer is
- * marked by two '\0' characters.
- * We satisfy both worlds: we create an envp array (which is vars), all
- * entries are actually pointers inside buf.
- */
+// This structure helps to create an environment for the spawned CGI program.
+// Environment is an array of "VARIABLE=VALUE\0" ASCIIZ strings,
+// last element must be NULL.
+// However, on Windows there is a requirement that all these VARIABLE=VALUE\0
+// strings must reside in a contiguous buffer. The end of the buffer is
+// marked by two '\0' characters.
+// We satisfy both worlds: we create an envp array (which is vars), all
+// entries are actually pointers inside buf.
 struct cgi_env_block {
-	struct mg_connection *conn;
-	char	buf[CGI_ENVIRONMENT_SIZE];	/* Environment buffer	*/
-	int	len;				/* Space taken		*/
-	char	*vars[MAX_CGI_ENVIR_VARS];	/* char **envp		*/
-	int	nvars;				/* Number of variables	*/
+  struct mg_connection *conn;
+  char buf[CGI_ENVIRONMENT_SIZE]; // Environment buffer
+  int len; // Space taken
+  char *vars[MAX_CGI_ENVIR_VARS]; // char **envp
+  int nvars; // Number of variables
 };
 
-/*
- * Append VARIABLE=VALUE\0 string to the buffer, and add a respective
- * pointer into the vars array.
- */
-static char *
-addenv(struct cgi_env_block *block, const char *fmt, ...)
-{
-	int	n, space;
-	char	*added;
-	va_list	ap;
-
-	/* Calculate how much space is left in the buffer */
-	space = sizeof(block->buf) - block->len - 2;
-	assert(space >= 0);
-
-	/* Make a pointer to the free space int the buffer */
-	added = block->buf + block->len;
-
-	/* Copy VARIABLE=VALUE\0 string into the free space */
-	va_start(ap, fmt);
-	n = mg_vsnprintf(block->conn, added, (size_t) space, fmt, ap);
-	va_end(ap);
-
-	/* Make sure we do not overflow buffer and the envp array */
-	if (n > 0 && n < space &&
-	    block->nvars < (int) ARRAY_SIZE(block->vars) - 2) {
-		/* Append a pointer to the added string into the envp array */
-		block->vars[block->nvars++] = block->buf + block->len;
-		/* Bump up used length counter. Include \0 terminator */
-		block->len += n + 1;
-	}
-
-	return (added);
-}
-
-static void
-prepare_cgi_environment(struct mg_connection *conn, const char *prog,
-		struct cgi_env_block *blk)
-{
-	const char	*s, *script_filename, *slash;
-	struct vec	var_vec, root;
-	char		*p;
-	int		i;
-
-	blk->len = blk->nvars = 0;
-	blk->conn = conn;
-
-	/* SCRIPT_FILENAME */
-	script_filename = prog;
-	if ((s = strrchr(prog, '/')) != NULL)
-		script_filename = s + 1;
-
-	get_document_root(conn, &root);
-
-	addenv(blk, "SERVER_NAME=%s", conn->ctx->config->auth_domain);
-	addenv(blk, "SERVER_ROOT=%.*s", root.len, root.ptr);
-	addenv(blk, "DOCUMENT_ROOT=%.*s", root.len, root.ptr);
-
-	/* Prepare the environment block */
-	addenv(blk, "%s", "GATEWAY_INTERFACE=CGI/1.1");
-	addenv(blk, "%s", "SERVER_PROTOCOL=HTTP/1.1");
-	addenv(blk, "%s", "REDIRECT_STATUS=200");	/* PHP */
-	addenv(blk, "SERVER_PORT=%d", ntohs(conn->client.lsa.u.sin.sin_port));
-	addenv(blk, "REQUEST_METHOD=%s", conn->request_info.request_method);
-	addenv(blk, "REMOTE_ADDR=%s",
-	    inet_ntoa(conn->client.rsa.u.sin.sin_addr));
-	addenv(blk, "REMOTE_PORT=%d", conn->request_info.remote_port);
-	addenv(blk, "REQUEST_URI=%s", conn->request_info.uri);
-
-	slash = strrchr(conn->request_info.uri, '/');
-	addenv(blk, "SCRIPT_NAME=%.*s%s",
-	    (slash - conn->request_info.uri) + 1, conn->request_info.uri,
-	    script_filename);
-
-	addenv(blk, "SCRIPT_FILENAME=%s", script_filename);	/* PHP */
-	addenv(blk, "PATH_TRANSLATED=%s", prog);
-	addenv(blk, "HTTPS=%s", conn->ssl == NULL ? "off" : "on");
-
-	if ((s = mg_get_header(conn, "Content-Type")) != NULL)
-		addenv(blk, "CONTENT_TYPE=%s", s);
-
-	if (conn->request_info.query_string != NULL)
-		addenv(blk, "QUERY_STRING=%s", conn->request_info.query_string);
-
-	if ((s = mg_get_header(conn, "Content-Length")) != NULL)
-		addenv(blk, "CONTENT_LENGTH=%s", s);
-
-	if ((s = getenv("PATH")) != NULL)
-		addenv(blk, "PATH=%s", s);
+// Append VARIABLE=VALUE\0 string to the buffer, and add a respective
+// pointer into the vars array.
+static char *addenv(struct cgi_env_block *block, const char *fmt, ...) {
+  int n, space;
+  char *added;
+  va_list ap;
+
+  // Calculate how much space is left in the buffer
+  space = sizeof(block->buf) - block->len - 2;
+  assert(space >= 0);
+
+  // Make a pointer to the free space int the buffer
+  added = block->buf + block->len;
+
+  // Copy VARIABLE=VALUE\0 string into the free space
+  va_start(ap, fmt);
+  n = mg_vsnprintf(block->conn, added, (size_t) space, fmt, ap);
+  va_end(ap);
+
+  // Make sure we do not overflow buffer and the envp array
+  if (n > 0 && n < space &&
+      block->nvars < (int) ARRAY_SIZE(block->vars) - 2) {
+    // Append a pointer to the added string into the envp array
+    block->vars[block->nvars++] = block->buf + block->len;
+    // Bump up used length counter. Include \0 terminator
+    block->len += n + 1;
+  }
+
+  return added;
+}
+
+static void prepare_cgi_environment(struct mg_connection *conn,
+                                    const char *prog,
+                                    struct cgi_env_block *blk) {
+  const char *s, *script_filename, *slash;
+  struct vec var_vec, root;
+  char *p;
+  int  i;
+
+  blk->len = blk->nvars = 0;
+  blk->conn = conn;
+
+  // SCRIPT_FILENAME
+  script_filename = prog;
+  if ((s = strrchr(prog, '/')) != NULL)
+    script_filename = s + 1;
+
+  get_document_root(conn, &root);
+
+  addenv(blk, "SERVER_NAME=%s", conn->ctx->config->auth_domain);
+  addenv(blk, "SERVER_ROOT=%.*s", root.len, root.ptr);
+  addenv(blk, "DOCUMENT_ROOT=%.*s", root.len, root.ptr);
+
+  // Prepare the environment block
+  addenv(blk, "%s", "GATEWAY_INTERFACE=CGI/1.1");
+  addenv(blk, "%s", "SERVER_PROTOCOL=HTTP/1.1");
+  addenv(blk, "%s", "REDIRECT_STATUS=200"); // For PHP
+  addenv(blk, "SERVER_PORT=%d", ntohs(conn->client.lsa.u.sin.sin_port));
+  addenv(blk, "REQUEST_METHOD=%s", conn->request_info.request_method);
+  addenv(blk, "REMOTE_ADDR=%s",
+      inet_ntoa(conn->client.rsa.u.sin.sin_addr));
+  addenv(blk, "REMOTE_PORT=%d", conn->request_info.remote_port);
+  addenv(blk, "REQUEST_URI=%s", conn->request_info.uri);
+
+  slash = strrchr(conn->request_info.uri, '/');
+  addenv(blk, "SCRIPT_NAME=%.*s%s",
+      (slash - conn->request_info.uri) + 1, conn->request_info.uri,
+      script_filename);
+
+  addenv(blk, "SCRIPT_FILENAME=%s", script_filename);
+  addenv(blk, "PATH_TRANSLATED=%s", prog);
+  addenv(blk, "HTTPS=%s", conn->ssl == NULL ? "off" : "on");
+
+  if ((s = mg_get_header(conn, "Content-Type")) != NULL)
+    addenv(blk, "CONTENT_TYPE=%s", s);
+
+  if (conn->request_info.query_string != NULL)
+    addenv(blk, "QUERY_STRING=%s", conn->request_info.query_string);
+
+  if ((s = mg_get_header(conn, "Content-Length")) != NULL)
+    addenv(blk, "CONTENT_LENGTH=%s", s);
+
+  if ((s = getenv("PATH")) != NULL)
+    addenv(blk, "PATH=%s", s);
 
 #if defined(_WIN32)
-	if ((s = getenv("COMSPEC")) != NULL)
-		addenv(blk, "COMSPEC=%s", s);
-	if ((s = getenv("SYSTEMROOT")) != NULL)
-		addenv(blk, "SYSTEMROOT=%s", s);
+  if ((s = getenv("COMSPEC")) != NULL)
+    addenv(blk, "COMSPEC=%s", s);
+  if ((s = getenv("SYSTEMROOT")) != NULL)
+    addenv(blk, "SYSTEMROOT=%s", s);
 #else
-	if ((s = getenv("LD_LIBRARY_PATH")) != NULL)
-		addenv(blk, "LD_LIBRARY_PATH=%s", s);
+  if ((s = getenv("LD_LIBRARY_PATH")) != NULL)
+    addenv(blk, "LD_LIBRARY_PATH=%s", s);
 #endif /* _WIN32 */
 
-	if ((s = getenv("PERLLIB")) != NULL)
-		addenv(blk, "PERLLIB=%s", s);
-
-	if (conn->request_info.remote_user != NULL) {
-		addenv(blk, "REMOTE_USER=%s", conn->request_info.remote_user);
-		addenv(blk, "%s", "AUTH_TYPE=Digest");
-	}
-
-	/* Add all headers as HTTP_* variables */
-	for (i = 0; i < conn->request_info.num_headers; i++) {
-		p = addenv(blk, "HTTP_%s=%s",
-		    conn->request_info.http_headers[i].name,
-		    conn->request_info.http_headers[i].value);
-
-		/* Convert variable name into uppercase, and change - to _ */
-		for (; *p != '=' && *p != '\0'; p++) {
-			if (*p == '-')
-				*p = '_';
-			*p = (char) toupper(* (unsigned char *) p);
-		}
-	}
-
-	/* Add user-specified variables */
-	s = conn->ctx->config->cgi_environment;
-	while ((s = next_option(s, &var_vec, NULL)) != NULL)
-		addenv(blk, "%.*s", var_vec.len, var_vec.ptr);
-
-	blk->vars[blk->nvars++] = NULL;
-	blk->buf[blk->len++] = '\0';
-
-	assert(blk->nvars < (int) ARRAY_SIZE(blk->vars));
-	assert(blk->len > 0);
-	assert(blk->len < (int) sizeof(blk->buf));
-}
-
-static void
-send_cgi(struct mg_connection *conn, const char *prog)
-{
-	int			headers_len, data_len, i;
-	const char		*status;
-	char			buf[MAX_REQUEST_SIZE], *pbuf;
-	struct mg_request_info	ri;
-	struct cgi_env_block	blk;
-	char			dir[FILENAME_MAX], *p;
-	int			fd_stdin[2], fd_stdout[2];
-	FILE			*in, *out;
-	pid_t			pid;
-
-	prepare_cgi_environment(conn, prog, &blk);
-
-	/* CGI must be executed in its own directory */
-	(void) mg_snprintf(conn, dir, sizeof(dir), "%s", prog);
-	if ((p = strrchr(dir, DIRSEP)) != NULL)
-		*p++ = '\0';
-
-	pid = (pid_t) -1;
-	fd_stdin[0] = fd_stdin[1] = fd_stdout[0] = fd_stdout[1] = -1;
-	in = out = NULL;
-
-	if (pipe(fd_stdin) != 0 || pipe(fd_stdout) != 0) {
-		send_error(conn, 500, http_500_error,
-		    "Cannot create CGI pipe: %s", strerror(ERRNO));
-		goto done;
-	} else if ((pid = spawn_process(conn, p, blk.buf, blk.vars,
-	    fd_stdin[0], fd_stdout[1], dir)) == (pid_t) -1) {
-		goto done;
-	} else if ((in = fdopen(fd_stdin[1], "wb")) == NULL ||
-	    (out = fdopen(fd_stdout[0], "rb")) == NULL) {
-		send_error(conn, 500, http_500_error,
-		    "fopen: %s", strerror(ERRNO));
-		goto done;
-	}
-
-	setbuf(in, NULL);
-	setbuf(out, NULL);
-
-	/*
-	 * spawn_process() must close those!
-	 * If we don't mark them as closed, close() attempt before
-	 * return from this function throws an exception on Windows.
-	 * Windows does not like when closed descriptor is closed again.
-	 */
-	fd_stdin[0] = fd_stdout[1] = -1;
-
-	/* Send POST data to the CGI process if needed */
-	if (!strcmp(conn->request_info.request_method, "POST") &&
-	    !handle_request_body(conn, in)) {
-		goto done;
-	}
-
-	/*
-	 * Now read CGI reply into a buffer. We need to set correct
-	 * status code, thus we need to see all HTTP headers first.
-	 * Do not send anything back to client, until we buffer in all
-	 * HTTP headers.
-	 */
-	data_len = 0;
-	headers_len = read_request(out, INVALID_SOCKET, NULL,
-	    buf, sizeof(buf), &data_len);
-	if (headers_len <= 0) {
-		send_error(conn, 500, http_500_error,
-		    "CGI program sent malformed HTTP headers: [%.*s]",
-		    data_len, buf);
-		goto done;
-	}
-	pbuf = buf;
-	buf[headers_len - 1] = '\0';
-	parse_http_headers(&pbuf, &ri);
-
-	/* Make up and send the status line */
-	status = get_header(&ri, "Status");
-	conn->request_info.status_code = status == NULL ? 200 : atoi(status);
-	(void) mg_printf(conn, "HTTP/1.1 %d OK\r\n",
-	    conn->request_info.status_code);
-
-	/* Send headers */
-	for (i = 0; i < ri.num_headers; i++)
-		(void) mg_printf(conn, "%s: %s\r\n",
-		    ri.http_headers[i].name,
-		    ri.http_headers[i].value);
-	(void) mg_write(conn, "\r\n", 2);
-
-	/* Send chunk of data that may be read after the headers */
-	conn->num_bytes_sent += mg_write(conn,
-	    buf + headers_len, data_len - headers_len);
-
-	/* Read the rest of CGI output and send to the client */
-	send_opened_file_stream(conn, out, INT64_MAX);
+  if ((s = getenv("PERLLIB")) != NULL)
+    addenv(blk, "PERLLIB=%s", s);
+
+  if (conn->request_info.remote_user != NULL) {
+    addenv(blk, "REMOTE_USER=%s", conn->request_info.remote_user);
+    addenv(blk, "%s", "AUTH_TYPE=Digest");
+  }
+
+  // Add all headers as HTTP_* variables
+  for (i = 0; i < conn->request_info.num_headers; i++) {
+    p = addenv(blk, "HTTP_%s=%s",
+        conn->request_info.http_headers[i].name,
+        conn->request_info.http_headers[i].value);
+
+    // Convert variable name into uppercase, and change - to _
+    for (; *p != '=' && *p != '\0'; p++) {
+      if (*p == '-')
+        *p = '_';
+      *p = (char) toupper(* (unsigned char *) p);
+    }
+  }
+
+  // Add user-specified variables
+  s = conn->ctx->config->cgi_environment;
+  while ((s = next_option(s, &var_vec, NULL)) != NULL) {
+    addenv(blk, "%.*s", var_vec.len, var_vec.ptr);
+  }
+
+  blk->vars[blk->nvars++] = NULL;
+  blk->buf[blk->len++] = '\0';
+
+  assert(blk->nvars < (int) ARRAY_SIZE(blk->vars));
+  assert(blk->len > 0);
+  assert(blk->len < (int) sizeof(blk->buf));
+}
+
+static void handle_cgi_request(struct mg_connection *conn, const char *prog) {
+  int headers_len, data_len, i, fd_stdin[2], fd_stdout[2];
+  const char *status;
+  char buf[MAX_REQUEST_SIZE], *pbuf, dir[FILENAME_MAX], *p;
+  struct mg_request_info ri;
+  struct cgi_env_block blk;
+  FILE *in, *out;
+  pid_t pid;
+
+  prepare_cgi_environment(conn, prog, &blk);
+
+  // CGI must be executed in its own directory
+  (void) mg_snprintf(conn, dir, sizeof(dir), "%s", prog);
+  if ((p = strrchr(dir, DIRSEP)) != NULL) {
+    *p++ = '\0';
+  }
+
+  pid = (pid_t) -1;
+  fd_stdin[0] = fd_stdin[1] = fd_stdout[0] = fd_stdout[1] = -1;
+  in = out = NULL;
+
+  if (pipe(fd_stdin) != 0 || pipe(fd_stdout) != 0) {
+    send_http_error(conn, 500, http_500_error,
+        "Cannot create CGI pipe: %s", strerror(ERRNO));
+    goto done;
+  } else if ((pid = spawn_process(conn, p, blk.buf, blk.vars,
+          fd_stdin[0], fd_stdout[1], dir)) == (pid_t) -1) {
+    goto done;
+  } else if ((in = fdopen(fd_stdin[1], "wb")) == NULL ||
+      (out = fdopen(fd_stdout[0], "rb")) == NULL) {
+    send_http_error(conn, 500, http_500_error,
+        "fopen: %s", strerror(ERRNO));
+    goto done;
+  }
+
+  setbuf(in, NULL);
+  setbuf(out, NULL);
+
+  // spawn_process() must close those!
+  // If we don't mark them as closed, close() attempt before
+  // return from this function throws an exception on Windows.
+  // Windows does not like when closed descriptor is closed again.
+  fd_stdin[0] = fd_stdout[1] = -1;
+
+  // Send POST data to the CGI process if needed
+  if (!strcmp(conn->request_info.request_method, "POST") &&
+      !handle_request_body(conn, in)) {
+    goto done;
+  }
+
+  // Now read CGI reply into a buffer. We need to set correct
+  // status code, thus we need to see all HTTP headers first.
+  // Do not send anything back to client, until we buffer in all
+  // HTTP headers.
+  data_len = 0;
+  headers_len = read_request(out, INVALID_SOCKET, NULL,
+      buf, sizeof(buf), &data_len);
+  if (headers_len <= 0) {
+    send_http_error(conn, 500, http_500_error,
+        "CGI program sent malformed HTTP headers: [%.*s]",
+        data_len, buf);
+    goto done;
+  }
+  pbuf = buf;
+  buf[headers_len - 1] = '\0';
+  parse_http_headers(&pbuf, &ri);
+
+  // Make up and send the status line
+  status = get_header(&ri, "Status");
+  conn->request_info.status_code = status == NULL ? 200 : atoi(status);
+  (void) mg_printf(conn, "HTTP/1.1 %d OK\r\n", conn->request_info.status_code);
+
+  // Send headers
+  for (i = 0; i < ri.num_headers; i++) {
+    mg_printf(conn, "%s: %s\r\n",
+              ri.http_headers[i].name, ri.http_headers[i].value);
+  }
+  (void) mg_write(conn, "\r\n", 2);
+
+  // Send chunk of data that may be read after the headers
+  conn->num_bytes_sent += mg_write(conn, buf + headers_len,
+                                   data_len - headers_len);
+
+  // Read the rest of CGI output and send to the client
+  send_file_data(conn, out, INT64_MAX);
 
 done:
-	if (pid != (pid_t) -1)
-		kill(pid, SIGTERM);
-	if (fd_stdin[0] != -1)
-		(void) close(fd_stdin[0]);
-	if (fd_stdout[1] != -1)
-		(void) close(fd_stdout[1]);
-
-	if (in != NULL)
-		(void) fclose(in);
-	else if (fd_stdin[1] != -1)
-		(void) close(fd_stdin[1]);
-
-	if (out != NULL)
-		(void) fclose(out);
-	else if (fd_stdout[0] != -1)
-		(void) close(fd_stdout[0]);
+  if (pid != (pid_t) -1) {
+    kill(pid, SIGTERM);
+  }
+  if (fd_stdin[0] != -1) {
+    (void) close(fd_stdin[0]);
+  }
+  if (fd_stdout[1] != -1) {
+    (void) close(fd_stdout[1]);
+  }
+
+  if (in != NULL) {
+    (void) fclose(in);
+  } else if (fd_stdin[1] != -1) {
+    (void) close(fd_stdin[1]);
+  }
+
+  if (out != NULL) {
+    (void) fclose(out);
+  } else if (fd_stdout[0] != -1) {
+    (void) close(fd_stdout[0]);
+  }
+}
+#endif // !NO_CGI
+
+// For a given PUT path, create all intermediate subdirectories
+// for given path. Return 0 if the path itself is a directory,
+// or -1 on error, 1 if OK.
+static int put_dir(const char *path) {
+  char buf[FILENAME_MAX];
+  const char *s, *p;
+  struct mgstat st;
+  size_t len;
+
+  for (s = p = path + 2; (p = strchr(s, '/')) != NULL; s = ++p) {
+    len = p - path;
+    assert(len < sizeof(buf));
+    (void) memcpy(buf, path, len);
+    buf[len] = '\0';
+
+    // Try to create intermediate directory
+    if (mg_stat(buf, &st) == -1 && mg_mkdir(buf, 0755) != 0) {
+      return -1;
+    }
+
+    // Is path itself a directory?
+    if (p[1] == '\0') {
+      return 0;
+    }
+  }
+
+  return 1;
+}
+
+static void put_file(struct mg_connection *conn, const char *path) {
+  struct mgstat st;
+  const char *range;
+  int64_t r1, r2;
+  FILE *fp;
+  int rc;
+
+  conn->request_info.status_code = mg_stat(path, &st) == 0 ? 200 : 201;
+
+  if ((rc = put_dir(path)) == 0) {
+    mg_printf(conn, "HTTP/1.1 %d OK\r\n\r\n", conn->request_info.status_code);
+  } else if (rc == -1) {
+    send_http_error(conn, 500, http_500_error,
+        "put_dir(%s): %s", path, strerror(ERRNO));
+  } else if ((fp = mg_fopen(path, "wb+")) == NULL) {
+    send_http_error(conn, 500, http_500_error,
+        "fopen(%s): %s", path, strerror(ERRNO));
+  } else {
+    set_close_on_exec(fileno(fp));
+    range = mg_get_header(conn, "Content-Range");
+    r1 = r2 = 0;
+    if (range != NULL && parse_range_header(range, &r1, &r2) > 0) {
+      conn->request_info.status_code = 206;
+      // TODO(lsm): handle seek error
+      (void) fseeko(fp, (off_t) r1, SEEK_SET);
+    }
+    if (handle_request_body(conn, fp))
+      (void) mg_printf(conn, "HTTP/1.1 %d OK\r\n\r\n",
+          conn->request_info.status_code);
+    (void) fclose(fp);
+  }
 }
-#endif /* !NO_CGI */
 
-/*
- * For a given PUT path, create all intermediate subdirectories
- * for given path. Return 0 if the path itself is a directory,
- * or -1 on error, 1 if OK.
- */
-static int
-put_dir(const char *path)
-{
-	char		buf[FILENAME_MAX];
-	const char	*s, *p;
-	struct mgstat	st;
-	size_t		len;
-
-	for (s = p = path + 2; (p = strchr(s, '/')) != NULL; s = ++p) {
-		len = p - path;
-		assert(len < sizeof(buf));
-		(void) memcpy(buf, path, len);
-		buf[len] = '\0';
-
-		/* Try to create intermediate directory */
-		if (mg_stat(buf, &st) == -1 && mg_mkdir(buf, 0755) != 0)
-			return (-1);
-
-		/* Is path itself a directory ? */
-		if (p[1] == '\0')
-			return (0);
-	}
-
-	return (1);
-}
-
-static void
-put_file(struct mg_connection *conn, const char *path)
-{
-	struct mgstat	st;
-	const char	*range;
-	int64_t		r1, r2;
-	FILE		*fp;
-	int		rc;
-
-	conn->request_info.status_code = mg_stat(path, &st) == 0 ? 200 : 201;
-
-	if ((rc = put_dir(path)) == 0) {
-		(void) mg_printf(conn, "HTTP/1.1 %d OK\r\n\r\n",
-		    conn->request_info.status_code);
-	} else if (rc == -1) {
-		send_error(conn, 500, http_500_error,
-		    "put_dir(%s): %s", path, strerror(ERRNO));
-	} else if ((fp = mg_fopen(path, "wb+")) == NULL) {
-		send_error(conn, 500, http_500_error,
-		    "fopen(%s): %s", path, strerror(ERRNO));
-	} else {
-		set_close_on_exec(fileno(fp));
-		range = mg_get_header(conn, "Content-Range");
-		r1 = r2 = 0;
-		if (range != NULL && parse_range_header(range, &r1, &r2) > 0) {
-			conn->request_info.status_code = 206;
-			/* TODO(lsm): handle seek error */
-			(void) fseeko(fp, (off_t) r1, SEEK_SET);
-		}
-		if (handle_request_body(conn, fp))
-			(void) mg_printf(conn, "HTTP/1.1 %d OK\r\n\r\n",
-			    conn->request_info.status_code);
-		(void) fclose(fp);
-	}
-}
-
-#if !defined(NO_SSI)
 static void send_ssi_file(struct mg_connection *, const char *, FILE *, int);
 
-static void
-do_ssi_include(struct mg_connection *conn, const char *ssi, char *tag,
-		int include_level)
-{
-	char		file_name[BUFSIZ], path[FILENAME_MAX], *p;
-	struct vec	root;
-	bool_t		is_ssi;
-	FILE		*fp;
-
-	get_document_root(conn, &root);
-
-	/*
-	 * sscanf() is safe here, since send_ssi_file() also uses buffer
-	 * of size BUFSIZ to get the tag. So strlen(tag) is always < BUFSIZ.
-	 */
-	if (sscanf(tag, " virtual=\"%[^\"]\"", file_name) == 1) {
-		/* File name is relative to the webserver root */
-		(void) mg_snprintf(conn, path, sizeof(path), "%.*s%c%s",
-		    root.len, root.ptr, DIRSEP, file_name);
-	} else if (sscanf(tag, " file=\"%[^\"]\"", file_name) == 1) {
-		/*
-		 * File name is relative to the webserver working directory
-		 * or it is absolute system path
-		 */
-		(void) mg_snprintf(conn, path, sizeof(path), "%s", file_name);
-	} else if (sscanf(tag, " \"%[^\"]\"", file_name) == 1) {
-		/* File name is relative to the currect document */
-		(void) mg_snprintf(conn, path, sizeof(path), "%s", ssi);
-		if ((p = strrchr(path, DIRSEP)) != NULL)
-			p[1] = '\0';
-		(void) mg_snprintf(conn, path + strlen(path),
-		    sizeof(path) - strlen(path), "%s", file_name);
-	} else {
-		cry(conn, "Bad SSI #include: [%s]", tag);
-		return;
-	}
-
-	if ((fp = mg_fopen(path, "rb")) == NULL) {
-		cry(conn, "Cannot open SSI #include: [%s]: fopen(%s): %s",
-		    tag, path, strerror(ERRNO));
-	} else {
-		set_close_on_exec(fileno(fp));
-		is_ssi = match_extension(path,
-		    conn->ctx->config->ssi_extensions);
-		if (is_ssi) {
-			send_ssi_file(conn, path, fp, include_level + 1);
-		} else {
-			send_opened_file_stream(conn, fp, INT64_MAX);
-		}
-		(void) fclose(fp);
-	}
-}
-
-static void
-do_ssi_exec(struct mg_connection *conn, char *tag)
-{
-	char	cmd[BUFSIZ];
-	FILE	*fp;
-
-	if (sscanf(tag, " \"%[^\"]\"", cmd) != 1) {
-		cry(conn, "Bad SSI #exec: [%s]", tag);
-	} else if ((fp = popen(cmd, "r")) == NULL) {
-		cry(conn, "Cannot SSI #exec: [%s]: %s", cmd, strerror(ERRNO));
-	} else {
-		send_opened_file_stream(conn, fp, INT64_MAX);
-		(void) pclose(fp);
-	}
-}
-
-static void
-send_ssi_file(struct mg_connection *conn, const char *path, FILE *fp,
-		int include_level)
-{
-	char	buf[BUFSIZ];
-	int	ch, len, in_ssi_tag;
-
-	if (include_level > 10) {
-		cry(conn, "SSI #include level is too deep (%s)", path);
-		return;
-	}
-
-	in_ssi_tag = FALSE;
-	len = 0;
-
-	while ((ch = fgetc(fp)) != EOF) {
-		if (in_ssi_tag && ch == '>') {
-			in_ssi_tag = FALSE;
-			buf[len++] = (char) ch;
-			buf[len] = '\0';
-			assert(len <= (int) sizeof(buf));
-			if (len < 6 || memcmp(buf, "<!--#", 5) != 0) {
-				/* Not an SSI tag, pass it */
-				(void) mg_write(conn, buf, len);
-			} else {
-				if (!memcmp(buf + 5, "include", 7)) {
-					do_ssi_include(conn, path, buf + 12,
-					    include_level);
-				} else if (!memcmp(buf + 5, "exec", 4)) {
-					do_ssi_exec(conn, buf + 9);
-				} else {
-					cry(conn, "%s: unknown SSI "
-					    "command: \"%s\"", path, buf);
-				}
-			}
-			len = 0;
-		} else if (in_ssi_tag) {
-			if (len == 5 && memcmp(buf, "<!--#", 5) != 0) {
-				/* Not an SSI tag */
-				in_ssi_tag = FALSE;
-			} else if (len == (int) sizeof(buf) - 2) {
-				cry(conn, "%s: SSI tag is too large", path);
-				len = 0;
-			}
-			buf[len++] = ch & 0xff;
-		} else if (ch == '<') {
-			in_ssi_tag = TRUE;
-			if (len > 0)
-				(void) mg_write(conn, buf, len);
-			len = 0;
-			buf[len++] = ch & 0xff;
-		} else {
-			buf[len++] = ch & 0xff;
-			if (len == (int) sizeof(buf)) {
-				(void) mg_write(conn, buf, len);
-				len = 0;
-			}
-		}
-	}
-
-	/* Send the rest of buffered data */
-	if (len > 0)
-		(void) mg_write(conn, buf, len);
-
-}
-
-static void
-send_ssi(struct mg_connection *conn, const char *path)
-{
-	FILE	*fp;
-
-	if ((fp = mg_fopen(path, "rb")) == NULL) {
-		send_error(conn, 500, http_500_error,
-		    "fopen(%s): %s", path, strerror(ERRNO));
-	} else {
-		set_close_on_exec(fileno(fp));
-		(void) mg_printf(conn, "%s", "HTTP/1.1 200 OK\r\n"
-		    "Content-Type: text/html\r\nConnection: close\r\n\r\n");
-		send_ssi_file(conn, path, fp, 0);
-		(void) fclose(fp);
-	}
-}
-#endif /* !NO_SSI */
-
-/*
- * This is the heart of the Mongoose's logic.
- * This function is called when the request is read, parsed and validated,
- * and Mongoose must decide what action to take: serve a file, or
- * a directory, or call embedded function, etcetera.
- */
-static void
-handle_request(struct mg_connection *conn)
-{
-	struct mg_request_info *ri;
-	char			path[FILENAME_MAX];
-	int			uri_len;
-	struct mgstat		st;
-	mg_callback_t		new_request_callback;
-
-
-	ri = &conn->request_info;
-	if ((conn->request_info.query_string = strchr(ri->uri, '?')) != NULL)
-		* conn->request_info.query_string++ = '\0';
-	uri_len = strlen(ri->uri);
-	new_request_callback = conn->ctx->config->new_request_handler;
-	(void) url_decode(ri->uri, uri_len, ri->uri, uri_len + 1, FALSE);
-	remove_double_dots_and_double_slashes(ri->uri);
-	convert_uri_to_file_name(conn, ri->uri, path, sizeof(path));
-
-	if (new_request_callback && new_request_callback(conn, ri) == TRUE) {
-		/* Do nothing, callback has served the request */
-	} else if (!check_authorization(conn, path)) {
-		send_authorization_request(conn);
-	} else if (strstr(path, PASSWORDS_FILE_NAME)) {
-		/* Do not allow to view passwords files */
-		send_error(conn, 403, "Forbidden", "Access Forbidden");
-	} else if (conn->ctx->config->document_root == NULL) {
-		send_error(conn, 404, "Not Found", "Not Found");
-	} else if ((!strcmp(ri->request_method, "PUT") ||
-	    !strcmp(ri->request_method, "DELETE")) &&
-	    (conn->ctx->config->put_delete_passwords_file == NULL ||
-	     !is_authorized_for_put(conn))) {
-		send_authorization_request(conn);
-	} else if (!strcmp(ri->request_method, "PUT")) {
-		put_file(conn, path);
-	} else if (!strcmp(ri->request_method, "DELETE")) {
-		if (mg_remove(path) == 0)
-			send_error(conn, 200, "OK", "");
-		else
-			send_error(conn, 500, http_500_error,
-			    "remove(%s): %s", path, strerror(ERRNO));
-	} else if (mg_stat(path, &st) != 0) {
-		send_error(conn, 404, "Not Found", "%s", "File not found");
-	} else if (st.is_directory && ri->uri[uri_len - 1] != '/') {
-		(void) mg_printf(conn,
-		    "HTTP/1.1 301 Moved Permanently\r\n"
-		    "Location: %s/\r\n\r\n", ri->uri);
-	} else if (st.is_directory &&
-	    substitute_index_file(conn, path, sizeof(path), &st) == FALSE) {
-		if (conn->ctx->config->enable_directory_listing) {
-			send_directory(conn, path);
-		} else {
-			send_error(conn, 403, "Directory Listing Denied",
-			    "Directory listing denied");
-		}
+static void do_ssi_include(struct mg_connection *conn, const char *ssi,
+                           char *tag, int include_level) {
+  char file_name[BUFSIZ], path[FILENAME_MAX], *p;
+  struct vec root;
+  bool_t is_ssi;
+  FILE *fp;
+
+  get_document_root(conn, &root);
+
+  // sscanf() is safe here, since send_ssi_file() also uses buffer
+  // of size BUFSIZ to get the tag. So strlen(tag) is always < BUFSIZ.
+  if (sscanf(tag, " virtual=\"%[^\"]\"", file_name) == 1) {
+    // File name is relative to the webserver root
+    (void) mg_snprintf(conn, path, sizeof(path), "%.*s%c%s",
+        root.len, root.ptr, DIRSEP, file_name);
+  } else if (sscanf(tag, " file=\"%[^\"]\"", file_name) == 1) {
+    // File name is relative to the webserver working directory
+    // or it is absolute system path
+    (void) mg_snprintf(conn, path, sizeof(path), "%s", file_name);
+  } else if (sscanf(tag, " \"%[^\"]\"", file_name) == 1) {
+    // File name is relative to the currect document
+    (void) mg_snprintf(conn, path, sizeof(path), "%s", ssi);
+    if ((p = strrchr(path, DIRSEP)) != NULL) {
+      p[1] = '\0';
+    }
+    (void) mg_snprintf(conn, path + strlen(path),
+        sizeof(path) - strlen(path), "%s", file_name);
+  } else {
+    cry(conn, "Bad SSI #include: [%s]", tag);
+    return;
+  }
+
+  if ((fp = mg_fopen(path, "rb")) == NULL) {
+    cry(conn, "Cannot open SSI #include: [%s]: fopen(%s): %s",
+        tag, path, strerror(ERRNO));
+  } else {
+    set_close_on_exec(fileno(fp));
+    is_ssi = match_extension(path, conn->ctx->config->ssi_extensions);
+    if (is_ssi) {
+      send_ssi_file(conn, path, fp, include_level + 1);
+    } else {
+      send_file_data(conn, fp, INT64_MAX);
+    }
+    (void) fclose(fp);
+  }
+}
+
+static void do_ssi_exec(struct mg_connection *conn, char *tag) {
+  char cmd[BUFSIZ];
+  FILE *fp;
+
+  if (sscanf(tag, " \"%[^\"]\"", cmd) != 1) {
+    cry(conn, "Bad SSI #exec: [%s]", tag);
+  } else if ((fp = popen(cmd, "r")) == NULL) {
+    cry(conn, "Cannot SSI #exec: [%s]: %s", cmd, strerror(ERRNO));
+  } else {
+    send_file_data(conn, fp, INT64_MAX);
+    (void) pclose(fp);
+  }
+}
+
+static void send_ssi_file(struct mg_connection *conn, const char *path,
+                          FILE *fp, int include_level) {
+  char buf[BUFSIZ];
+  int ch, len, in_ssi_tag;
+
+  if (include_level > 10) {
+    cry(conn, "SSI #include level is too deep (%s)", path);
+    return;
+  }
+
+  in_ssi_tag = FALSE;
+  len = 0;
+
+  while ((ch = fgetc(fp)) != EOF) {
+    if (in_ssi_tag && ch == '>') {
+      in_ssi_tag = FALSE;
+      buf[len++] = (char) ch;
+      buf[len] = '\0';
+      assert(len <= (int) sizeof(buf));
+      if (len < 6 || memcmp(buf, "<!--#", 5) != 0) {
+        // Not an SSI tag, pass it
+        (void) mg_write(conn, buf, len);
+      } else {
+        if (!memcmp(buf + 5, "include", 7)) {
+          do_ssi_include(conn, path, buf + 12, include_level);
+        } else if (!memcmp(buf + 5, "exec", 4)) {
+          do_ssi_exec(conn, buf + 9);
+        } else {
+          cry(conn, "%s: unknown SSI " "command: \"%s\"", path, buf);
+        }
+      }
+      len = 0;
+    } else if (in_ssi_tag) {
+      if (len == 5 && memcmp(buf, "<!--#", 5) != 0) {
+        // Not an SSI tag
+        in_ssi_tag = FALSE;
+      } else if (len == (int) sizeof(buf) - 2) {
+        cry(conn, "%s: SSI tag is too large", path);
+        len = 0;
+      }
+      buf[len++] = ch & 0xff;
+    } else if (ch == '<') {
+      in_ssi_tag = TRUE;
+      if (len > 0) {
+        (void) mg_write(conn, buf, len);
+      }
+      len = 0;
+      buf[len++] = ch & 0xff;
+    } else {
+      buf[len++] = ch & 0xff;
+      if (len == (int) sizeof(buf)) {
+        (void) mg_write(conn, buf, len);
+        len = 0;
+      }
+    }
+  }
+
+  // Send the rest of buffered data
+  if (len > 0) {
+    (void) mg_write(conn, buf, len);
+  }
+}
+
+static void handle_ssi_file_request(struct mg_connection *conn,
+                                    const char *path) {
+  FILE *fp;
+
+  if ((fp = mg_fopen(path, "rb")) == NULL) {
+    send_http_error(conn, 500, http_500_error, "fopen(%s): %s", path,
+                    strerror(ERRNO));
+  } else {
+    set_close_on_exec(fileno(fp));
+    (void) mg_printf(conn, "%s", "HTTP/1.1 200 OK\r\n"
+        "Content-Type: text/html\r\nConnection: close\r\n\r\n");
+    send_ssi_file(conn, path, fp, 0);
+    (void) fclose(fp);
+  }
+}
+
+// This is the heart of the Mongoose's logic.
+// This function is called when the request is read, parsed and validated,
+// and Mongoose must decide what action to take: serve a file, or
+// a directory, or call embedded function, etcetera.
+static void handle_request(struct mg_connection *conn) {
+  struct mg_request_info *ri;
+  char path[FILENAME_MAX];
+  int uri_len;
+  struct mgstat st;
+  mg_callback_t new_request_callback;
+
+  ri = &conn->request_info;
+  if ((conn->request_info.query_string = strchr(ri->uri, '?')) != NULL) {
+    * conn->request_info.query_string++ = '\0';
+  }
+  uri_len = strlen(ri->uri);
+  new_request_callback = conn->ctx->config->new_request_handler;
+  (void) url_decode(ri->uri, uri_len, ri->uri, uri_len + 1, FALSE);
+  remove_double_dots_and_double_slashes(ri->uri);
+  convert_uri_to_file_name(conn, ri->uri, path, sizeof(path));
+
+  if (new_request_callback && new_request_callback(conn, ri) == TRUE) {
+    // Do nothing, callback has served the request
+  } else if (!check_authorization(conn, path)) {
+    send_authorization_request(conn);
+  } else if (strstr(path, PASSWORDS_FILE_NAME)) {
+    // Do not allow to view passwords files
+    send_http_error(conn, 403, "Forbidden", "Access Forbidden");
+  } else if (conn->ctx->config->document_root == NULL) {
+    send_http_error(conn, 404, "Not Found", "Not Found");
+  } else if ((!strcmp(ri->request_method, "PUT") ||
+        !strcmp(ri->request_method, "DELETE")) &&
+      (conn->ctx->config->put_delete_passwords_file == NULL ||
+       !is_authorized_for_put(conn))) {
+    send_authorization_request(conn);
+  } else if (!strcmp(ri->request_method, "PUT")) {
+    put_file(conn, path);
+  } else if (!strcmp(ri->request_method, "DELETE")) {
+    if (mg_remove(path) == 0) {
+      send_http_error(conn, 200, "OK", "");
+    } else {
+      send_http_error(conn, 500, http_500_error, "remove(%s): %s", path,
+                      strerror(ERRNO));
+    }
+  } else if (mg_stat(path, &st) != 0) {
+    send_http_error(conn, 404, "Not Found", "%s", "File not found");
+  } else if (st.is_directory && ri->uri[uri_len - 1] != '/') {
+    (void) mg_printf(conn,
+        "HTTP/1.1 301 Moved Permanently\r\n"
+        "Location: %s/\r\n\r\n", ri->uri);
+  } else if (st.is_directory &&
+      substitute_index_file(conn, path, sizeof(path), &st) == FALSE) {
+    if (conn->ctx->config->enable_directory_listing) {
+      handle_directory_request(conn, path);
+    } else {
+      send_http_error(conn, 403, "Directory Listing Denied",
+          "Directory listing denied");
+    }
 #if !defined(NO_CGI)
-	} else if (match_extension(path, conn->ctx->config->cgi_extensions)) {
-		if (strcmp(ri->request_method, "POST") &&
-		    strcmp(ri->request_method, "GET")) {
-			send_error(conn, 501, "Not Implemented",
-			    "Method %s is not implemented", ri->request_method);
-		} else {
-			send_cgi(conn, path);
-		}
+  } else if (match_extension(path, conn->ctx->config->cgi_extensions)) {
+    if (strcmp(ri->request_method, "POST") &&
+        strcmp(ri->request_method, "GET")) {
+      send_http_error(conn, 501, "Not Implemented",
+          "Method %s is not implemented", ri->request_method);
+    } else {
+      handle_cgi_request(conn, path);
+    }
 #endif /* NO_CGI */
-#if !defined(NO_SSI)
-	} else if (match_extension(path, conn->ctx->config->ssi_extensions)) {
-		send_ssi(conn, path);
-#endif /* NO_SSI */
-	} else if (is_not_modified(conn, &st)) {
-		send_error(conn, 304, "Not Modified", "");
-	} else {
-		send_file(conn, path, &st);
-	}
-}
-
-static void
-close_all_listening_sockets(struct mg_context *ctx)
-{
-	struct socket	*sp, *tmp;
-	for (sp = ctx->listening_sockets; sp != NULL; sp = tmp) {
-		tmp = sp->next;
-		(void) closesocket(sp->sock);
-		free(sp);
-	}
-	ctx->listening_sockets = NULL;
-}
-
-static enum mg_error_t
-set_ports_option(struct mg_context *ctx)
-{
-	SOCKET		sock;
-	int		is_ssl;
-	struct vec	vec;
-	struct socket	*listener;
-	const char	*list = ctx->config->listening_ports;
-
-	close_all_listening_sockets(ctx);
-
-	while ((list = next_option(list, &vec, NULL)) != NULL) {
-
-		is_ssl	= vec.ptr[vec.len - 1] == 's' ? TRUE : FALSE;
-
-		if ((listener = calloc(1, sizeof(*listener))) == NULL) {
-			cry(fc(ctx), "%s", "Too many listeninig sockets");
-			return (MG_ERROR);
-		} else if ((sock = mg_open_listening_port(ctx,
-		    vec.ptr, &listener->lsa)) == INVALID_SOCKET) {
-			cry(fc(ctx), "cannot bind to %.*s", vec.len, vec.ptr);
-			return (MG_ERROR);
-		} else if (is_ssl == TRUE && ctx->ssl_ctx == NULL) {
-			(void) closesocket(sock);
-			cry(fc(ctx), "cannot add SSL socket, please specify "
-			    "-ssl_cert option BEFORE -ports option");
-			return (MG_ERROR);
-		} else {
-			listener->sock = sock;
-			listener->is_ssl = is_ssl;
-			listener->next = ctx->listening_sockets;
-			ctx->listening_sockets = listener;
-		}
-	}
-
-	return (MG_SUCCESS);
-}
-
-static void
-log_header(const struct mg_connection *conn, const char *header, FILE *fp)
-{
-	const char	*header_value;
-
-	if ((header_value = mg_get_header(conn, header)) == NULL) {
-		(void) fprintf(fp, "%s", " -");
-	} else {
-		(void) fprintf(fp, " \"%s\"", header_value);
-	}
-}
-
-static void
-log_access(const struct mg_connection *conn)
-{
-	const struct mg_request_info *ri;
-	FILE	*fp;
-	char	date[64];
-
-	fp = conn->ctx->config->access_log_file == NULL ?  NULL :
-		mg_fopen(conn->ctx->config->access_log_file, "a+");
-
-	if (fp == NULL)
-		return;
-
-	(void) strftime(date, sizeof(date), "%d/%b/%Y:%H:%M:%S %z",
-	    localtime(&conn->birth_time));
-
-	ri = &conn->request_info;
-
-	flockfile(fp);
-
-	(void) fprintf(fp,
-	    "%s - %s [%s] \"%s %s HTTP/%s\" %d %" INT64_FMT,
-	    inet_ntoa(conn->client.rsa.u.sin.sin_addr),
-	    ri->remote_user == NULL ? "-" : ri->remote_user,
-	    date,
-	    ri->request_method ? ri->request_method : "-",
-	    ri->uri ? ri->uri : "-",
-	    ri->http_version,
-	    conn->request_info.status_code, conn->num_bytes_sent);
-	log_header(conn, "Referer", fp);
-	log_header(conn, "User-Agent", fp);
-	(void) fputc('\n', fp);
-	(void) fflush(fp);
-
-	funlockfile(fp);
-	(void) fclose(fp);
-}
-
-static bool_t
-isbyte(int n) {
-	return (n >= 0 && n <= 255);
-}
-
-/*
- * Verify given socket address against the ACL.
- * Return -1 if ACL is malformed, 0 if address is disallowed, 1 if allowed.
- */
-static enum mg_error_t
-check_acl(struct mg_context *ctx, const struct usa *usa)
-{
-	int		a, b, c, d, n, mask, allowed;
-	char		flag;
-	uint32_t	acl_subnet, acl_mask, remote_ip;
-	struct vec	vec;
-	const char	*list = ctx->config->acl;
-
-	if (list == NULL)
-		return (MG_SUCCESS);
-
-	(void) memcpy(&remote_ip, &usa->u.sin.sin_addr, sizeof(remote_ip));
-
-	/* If any ACL is set, deny by default */
-	allowed = '-';
-
-	while ((list = next_option(list, &vec, NULL)) != NULL) {
-
-		mask = 32;
-
-		if (sscanf(vec.ptr, "%c%d.%d.%d.%d%n",
-		    &flag, &a, &b, &c, &d, &n) != 5) {
-			cry(fc(ctx),
-			    "%s: subnet must be [+|-]x.x.x.x[/x]", __func__);
-			return (MG_ERROR);
-		} else if (flag != '+' && flag != '-') {
-			cry(fc(ctx), "%s: flag must be + or -: [%s]",
-			    __func__, vec.ptr);
-			return (MG_ERROR);
-		} else if (!isbyte(a)||!isbyte(b)||!isbyte(c)||!isbyte(d)) {
-			cry(fc(ctx),
-			    "%s: bad ip address: [%s]", __func__, vec.ptr);
-			return (MG_ERROR);
-		} else if (sscanf(vec.ptr + n, "/%d", &mask) == 0) {
-			/* Do nothing, no mask specified */
-		} else if (mask < 0 || mask > 32) {
-			cry(fc(ctx), "%s: bad subnet mask: %d [%s]",
-			    __func__, n, vec.ptr);
-			return (MG_ERROR);
-		}
-
-		acl_subnet = (a << 24) | (b << 16) | (c << 8) | d;
-		acl_mask = mask ? 0xffffffffU << (32 - mask) : 0;
-
-		if (acl_subnet == (ntohl(remote_ip) & acl_mask))
-			allowed = flag;
-	}
-
-	return (allowed == '+' ? MG_SUCCESS : MG_ERROR);
-}
-
-static void
-add_to_set(SOCKET fd, fd_set *set, int *max_fd)
-{
-	FD_SET(fd, set);
-	if (fd > (SOCKET) *max_fd)
-		*max_fd = (int) fd;
+  } else if (match_extension(path, conn->ctx->config->ssi_extensions)) {
+    handle_ssi_file_request(conn, path);
+  } else if (is_not_modified(conn, &st)) {
+    send_http_error(conn, 304, "Not Modified", "");
+  } else {
+    handle_file_request(conn, path, &st);
+  }
+}
+
+static void close_all_listening_sockets(struct mg_context *ctx) {
+  struct socket *sp, *tmp;
+  for (sp = ctx->listening_sockets; sp != NULL; sp = tmp) {
+    tmp = sp->next;
+    (void) closesocket(sp->sock);
+    free(sp);
+  }
+  ctx->listening_sockets = NULL;
+}
+
+static enum mg_error_t set_ports_option(struct mg_context *ctx) {
+  SOCKET sock;
+  int is_ssl;
+  struct vec vec;
+  struct socket *listener;
+  const char *list = ctx->config->listening_ports;
+
+  while ((list = next_option(list, &vec, NULL)) != NULL) {
+    is_ssl = vec.ptr[vec.len - 1] == 's' ? TRUE : FALSE;
+
+    if ((listener = calloc(1, sizeof(*listener))) == NULL) {
+      cry(fc(ctx), "%s", "Too many listeninig sockets");
+      return MG_ERROR;
+    } else if ((sock = mg_open_listening_port(ctx,
+            vec.ptr, &listener->lsa)) == INVALID_SOCKET) {
+      cry(fc(ctx), "cannot bind to %.*s", vec.len, vec.ptr);
+      return MG_ERROR;
+    } else if (is_ssl == TRUE && ctx->ssl_ctx == NULL) {
+      (void) closesocket(sock);
+      cry(fc(ctx), "cannot add SSL socket, please specify "
+          "-ssl_cert option BEFORE -ports option");
+      return MG_ERROR;
+    } else {
+      listener->sock = sock;
+      listener->is_ssl = is_ssl;
+      listener->next = ctx->listening_sockets;
+      ctx->listening_sockets = listener;
+    }
+  }
+
+  return MG_SUCCESS;
+}
+
+static void log_header(const struct mg_connection *conn, const char *header,
+                       FILE *fp) {
+  const char *header_value;
+
+  if ((header_value = mg_get_header(conn, header)) == NULL) {
+    (void) fprintf(fp, "%s", " -");
+  } else {
+    (void) fprintf(fp, " \"%s\"", header_value);
+  }
+}
+
+static void log_access(const struct mg_connection *conn) {
+  const struct mg_request_info *ri;
+  FILE *fp;
+  char date[64];
+
+  fp = conn->ctx->config->access_log_file == NULL ?  NULL :
+    mg_fopen(conn->ctx->config->access_log_file, "a+");
+
+  if (fp == NULL)
+    return;
+
+  (void) strftime(date, sizeof(date), "%d/%b/%Y:%H:%M:%S %z",
+      localtime(&conn->birth_time));
+
+  ri = &conn->request_info;
+
+  flockfile(fp);
+
+  (void) fprintf(fp,
+      "%s - %s [%s] \"%s %s HTTP/%s\" %d %" INT64_FMT,
+      inet_ntoa(conn->client.rsa.u.sin.sin_addr),
+      ri->remote_user == NULL ? "-" : ri->remote_user,
+      date,
+      ri->request_method ? ri->request_method : "-",
+      ri->uri ? ri->uri : "-",
+      ri->http_version,
+      conn->request_info.status_code, conn->num_bytes_sent);
+  log_header(conn, "Referer", fp);
+  log_header(conn, "User-Agent", fp);
+  (void) fputc('\n', fp);
+  (void) fflush(fp);
+
+  funlockfile(fp);
+  (void) fclose(fp);
+}
+
+static bool_t isbyte(int n) {
+  return n >= 0 && n <= 255 ? TRUE : FALSE;
+}
+
+// Verify given socket address against the ACL.
+// Return -1 if ACL is malformed, 0 if address is disallowed, 1 if allowed.
+static enum mg_error_t check_acl(struct mg_context *ctx,
+                                 const struct usa *usa) {
+  int a, b, c, d, n, mask, allowed;
+  char flag;
+  uint32_t acl_subnet, acl_mask, remote_ip;
+  struct vec vec;
+  const char *list = ctx->config->acl;
+
+  if (list == NULL) {
+    return MG_SUCCESS;
+  }
+
+  (void) memcpy(&remote_ip, &usa->u.sin.sin_addr, sizeof(remote_ip));
+
+  // If any ACL is set, deny by default
+  allowed = '-';
+
+  while ((list = next_option(list, &vec, NULL)) != NULL) {
+    mask = 32;
+
+    if (sscanf(vec.ptr, "%c%d.%d.%d.%d%n", &flag, &a, &b, &c, &d, &n) != 5) {
+      cry(fc(ctx), "%s: subnet must be [+|-]x.x.x.x[/x]", __func__);
+      return MG_ERROR;
+    } else if (flag != '+' && flag != '-') {
+      cry(fc(ctx), "%s: flag must be + or -: [%s]", __func__, vec.ptr);
+      return MG_ERROR;
+    } else if (!isbyte(a)||!isbyte(b)||!isbyte(c)||!isbyte(d)) {
+      cry(fc(ctx), "%s: bad ip address: [%s]", __func__, vec.ptr);
+      return MG_ERROR;
+    } else if (sscanf(vec.ptr + n, "/%d", &mask) == 0) {
+      // Do nothing, no mask specified
+    } else if (mask < 0 || mask > 32) {
+      cry(fc(ctx), "%s: bad subnet mask: %d [%s]", __func__, n, vec.ptr);
+      return MG_ERROR;
+    }
+
+    acl_subnet = (a << 24) | (b << 16) | (c << 8) | d;
+    acl_mask = mask ? 0xffffffffU << (32 - mask) : 0;
+
+    if (acl_subnet == (ntohl(remote_ip) & acl_mask)) {
+      allowed = flag;
+    }
+  }
+
+  return allowed == '+' ? MG_SUCCESS : MG_ERROR;
+}
+
+static void add_to_set(SOCKET fd, fd_set *set, int *max_fd) {
+  FD_SET(fd, set);
+  if (fd > (SOCKET) *max_fd) {
+    *max_fd = (int) fd;
+  }
 }
 
 #if !defined(_WIN32)
-static enum mg_error_t
-set_uid_option(struct mg_context *ctx)
-{
-	struct passwd	*pw;
-	const char	*uid = ctx->config->uid;
-	enum mg_error_t error;
-
-	if (uid == NULL) {
-		error = MG_SUCCESS;
-	} else {
-		if ((pw = getpwnam(uid)) == NULL)
-			cry(fc(ctx), "%s: unknown user [%s]", __func__, uid);
-		else if (setgid(pw->pw_gid) == -1)
-			cry(fc(ctx), "%s: setgid(%s): %s",
-			    __func__, uid, strerror(errno));
-		else if (setuid(pw->pw_uid) == -1)
-			cry(fc(ctx), "%s: setuid(%s): %s",
-			    __func__, uid, strerror(errno));
-		else
-			error = MG_SUCCESS;
-	}
-
-	return (error);
-}
-#endif /* !_WIN32 */
+static enum mg_error_t set_uid_option(struct mg_context *ctx) {
+  struct passwd *pw;
+  const char *uid = ctx->config->uid;
+  enum mg_error_t error;
+
+  if (uid == NULL) {
+    error = MG_SUCCESS;
+  } else {
+    if ((pw = getpwnam(uid)) == NULL) {
+      cry(fc(ctx), "%s: unknown user [%s]", __func__, uid);
+    } else if (setgid(pw->pw_gid) == -1) {
+      cry(fc(ctx), "%s: setgid(%s): %s", __func__, uid, strerror(errno));
+    } else if (setuid(pw->pw_uid) == -1) {
+      cry(fc(ctx), "%s: setuid(%s): %s", __func__, uid, strerror(errno));
+    } else {
+      error = MG_SUCCESS;
+    }
+  }
+
+  return error;
+}
+#endif // !_WIN32
 
 #if !defined(NO_SSL)
 static pthread_mutex_t *ssl_mutexes;
 
-static void
-ssl_locking_callback(int mode, int mutex_num, const char *file, int line)
-{
-	line = 0;	/* Unused */
-	file = NULL;	/* Unused */
+static void ssl_locking_callback(int mode, int mutex_num, const char *file,
+                                 int line) {
+  line = 0;    // Unused
+  file = NULL; // Unused
 
-	if (mode & CRYPTO_LOCK)
-		(void) pthread_mutex_lock(&ssl_mutexes[mutex_num]);
-	else
-		(void) pthread_mutex_unlock(&ssl_mutexes[mutex_num]);
+  if (mode & CRYPTO_LOCK) {
+    (void) pthread_mutex_lock(&ssl_mutexes[mutex_num]);
+  } else {
+    (void) pthread_mutex_unlock(&ssl_mutexes[mutex_num]);
+  }
 }
 
-static unsigned long
-ssl_id_callback(void)
-{
-	return ((unsigned long) pthread_self());
+static unsigned long ssl_id_callback(void) {
+  return (unsigned long) pthread_self();
 }
 
-static bool_t
-load_dll(struct mg_context *ctx, const char *dll_name, struct ssl_func *sw)
-{
-	union {void *p; void (*fp)(void);} u;
-	void		*dll_handle;
-	struct ssl_func	*fp;
+static bool_t load_dll(struct mg_context *ctx, const char *dll_name,
+                       struct ssl_func *sw) {
+  union {void *p; void (*fp)(void);} u;
+  void  *dll_handle;
+  struct ssl_func *fp;
 
-	if ((dll_handle = dlopen(dll_name, RTLD_LAZY)) == NULL) {
-		cry(fc(ctx), "%s: cannot load %s", __func__, dll_name);
-		return (FALSE);
-	}
+  if ((dll_handle = dlopen(dll_name, RTLD_LAZY)) == NULL) {
+    cry(fc(ctx), "%s: cannot load %s", __func__, dll_name);
+    return FALSE;
+  }
 
-	for (fp = sw; fp->name != NULL; fp++) {
+  for (fp = sw; fp->name != NULL; fp++) {
 #ifdef _WIN32
-		/* GetProcAddress() returns pointer to function */
-		u.fp = (void (*)(void)) dlsym(dll_handle, fp->name);
+    // GetProcAddress() returns pointer to function
+    u.fp = (void (*)(void)) dlsym(dll_handle, fp->name);
 #else
-		/*
-		 * dlsym() on UNIX returns void *.
-		 * ISO C forbids casts of data pointers to function
-		 * pointers. We need to use a union to make a cast.
-		 */
-		u.p = dlsym(dll_handle, fp->name);
+    // dlsym() on UNIX returns void *. ISO C forbids casts of data pointers to
+    // function pointers. We need to use a union to make a cast.
+    u.p = dlsym(dll_handle, fp->name);
 #endif /* _WIN32 */
-		if (u.fp == NULL) {
-			cry(fc(ctx), "%s: cannot find %s", __func__, fp->name);
-			return (FALSE);
-		} else {
-			fp->ptr = u.fp;
-		}
-	}
-
-	return (TRUE);
-}
-
-/*
- * Dynamically load SSL library. Set up ctx->ssl_ctx pointer.
- */
-static enum mg_error_t
-set_ssl_option(struct mg_context *ctx)
-{
-	SSL_CTX		*CTX;
-	int		i, size;
-	const char	*pem = ctx->config->ssl_certificate;
-
-	if (pem == NULL)
-		return (MG_SUCCESS);
-
-	if (load_dll(ctx, SSL_LIB, ssl_sw) == FALSE ||
-	    load_dll(ctx, CRYPTO_LIB, crypto_sw) == FALSE)
-		return (MG_ERROR);
-
-	/* Initialize SSL crap */
-	SSL_library_init();
-	SSL_load_error_strings();
-
-	if ((CTX = SSL_CTX_new(SSLv23_server_method())) == NULL)
-		ssl_cry(fc(ctx), "SSL_CTX_new error");
-	else if (ctx->config->ssl_password_handler != NULL)
-		SSL_CTX_set_default_passwd_cb(CTX,
-		    ctx->config->ssl_password_handler);
-
-	if (CTX != NULL && SSL_CTX_use_certificate_file(
-	    CTX, pem, SSL_FILETYPE_PEM) == 0) {
-		ssl_cry(fc(ctx), "%s: cannot open %s", __func__, pem);
-		return (MG_ERROR);
-	} else if (CTX != NULL && SSL_CTX_use_PrivateKey_file(
-	    CTX, pem, SSL_FILETYPE_PEM) == 0) {
-		ssl_cry(fc(ctx), "%s: cannot open %s", NULL, pem);
-		return (MG_ERROR);
-	}
-
-	/*
-	 * Initialize locking callbacks, needed for thread safety.
-	 * http://www.openssl.org/support/faq.html#PROG1
-	 */
-	size = sizeof(pthread_mutex_t) * CRYPTO_num_locks();
-	if ((ssl_mutexes = (pthread_mutex_t *) malloc(size)) == NULL) {
-		ssl_cry(fc(ctx), "%s: cannot allocate mutexes", __func__);
-		return (MG_ERROR);
-	}
-
-	for (i = 0; i < CRYPTO_num_locks(); i++)
-		pthread_mutex_init(&ssl_mutexes[i], NULL);
-
-	CRYPTO_set_locking_callback(&ssl_locking_callback);
-	CRYPTO_set_id_callback(&ssl_id_callback);
-
-	/* Done with everything. Save the context. */
-	ctx->ssl_ctx = CTX;
-
-	return (MG_SUCCESS);
-}
-#endif /* !NO_SSL */
-
-static enum mg_error_t
-set_gpass_option(struct mg_context *ctx)
-{
-	struct mgstat	mgstat;
-	const char	*path = ctx->config->global_passwords_file;
-
-	return (path == NULL || mg_stat(path, &mgstat) == 0 ?
-		MG_SUCCESS : MG_ERROR);
-}
-
-static enum mg_error_t
-set_acl_option(struct mg_context *ctx)
-{
-	struct usa	fake;
-	return (check_acl(ctx, &fake));
-}
-
-static bool_t
-verify_document_root(struct mg_context *ctx, const char *root)
-{
-	char		path[FILENAME_MAX], *p;
-	struct mgstat	buf;
-
-	if ((p = strchr(root, ',')) == NULL) {
-		mg_strlcpy(path, root, sizeof(path));
-	} else {
-		mg_strlcpy(path, root, p - root + 1);
-	}
-
-	if (mg_stat(path, &buf) != 0) {
-		cry(fc(ctx), "Invalid root directory: \"%s\"", root);
-		return (FALSE);
-	}
-	return (TRUE);
-}
-
-static void
-reset_per_request_attributes(struct mg_connection *conn)
-{
-	if (conn->request_info.remote_user != NULL) {
-		free((void *) conn->request_info.remote_user);
-		conn->request_info.remote_user = NULL;
-	}
-	if (conn->free_post_data && conn->request_info.post_data != NULL) {
-		free((void *) conn->request_info.post_data);
-		conn->request_info.post_data = NULL;
-	}
-}
-
-static void
-close_socket_gracefully(struct mg_connection *conn, SOCKET sock)
-{
-	char	buf[BUFSIZ];
-	int	n;
-
-	/* Send FIN to the client */
-	(void) shutdown(sock, SHUT_WR);
-	set_non_blocking_mode(conn, sock);
-
-	/*
-	 * Read and discard pending data. If we do not do that and close the
-	 * socket, the data in the send buffer may be discarded. This
-	 * behaviour is seen on Windows, when client keeps sending data
-	 * when server decide to close the connection; then when client
-	 * does recv() it gets no data back.
-	 */
-	do {
-		n = pull(NULL, sock, NULL, buf, sizeof(buf));
-	} while (n > 0);
-
-	/* Now we know that our FIN is ACK-ed, safe to close */
-	(void) closesocket(sock);
-}
-
-static void
-close_connection(struct mg_connection *conn)
-{
-	reset_per_request_attributes(conn);
-
-	if (conn->ssl) {
-		SSL_free(conn->ssl);
-		conn->ssl = NULL;
-	}
-
-	if (conn->client.sock != INVALID_SOCKET)
-		close_socket_gracefully(conn, conn->client.sock);
-}
-
-static void
-reset_connection_attributes(struct mg_connection *conn)
-{
-	reset_per_request_attributes(conn);
-	conn->free_post_data = FALSE;
-	conn->request_info.status_code = -1;
-	conn->num_bytes_sent = 0;
-	(void) memset(&conn->request_info, 0, sizeof(conn->request_info));
-}
-
-static void
-shift_to_next(struct mg_connection *conn, char *buf, int req_len, int *nread)
-{
-	int64_t	cl;
-	int	over_len, body_len;
-
-	cl = get_content_length(conn);
-	over_len = *nread - req_len;
-	assert(over_len >= 0);
-
-	if (cl == -1) {
-		body_len = 0;
-	} else if (cl < (int64_t) over_len) {
-		body_len = (int) cl;
-	} else {
-		body_len = over_len;
-	}
-
-	*nread -= req_len + body_len;
-	(void) memmove(buf, buf + req_len + body_len, *nread);
-}
-
-static void
-process_new_connection(struct mg_connection *conn)
-{
-	struct mg_request_info *ri = &conn->request_info;
-	char	buf[MAX_REQUEST_SIZE];
-	int	request_len, nread;
-
-	nread = 0;
-	reset_connection_attributes(conn);
-
-	/* If next request is not pipelined, read it in */
-	if ((request_len = get_request_len(buf, (size_t) nread)) == 0)
-		request_len = read_request(NULL, conn->client.sock,
-		    conn->ssl, buf, sizeof(buf), &nread);
-	assert(nread >= request_len);
-
-	if (request_len <= 0)
-		return;	/* Remote end closed the connection */
-
-	/* 0-terminate the request: parse_request uses sscanf */
-	buf[request_len - 1] = '\0';
-
-	if (parse_http_request(buf, ri)) {
-		if (strcmp(ri->http_version, "1.0") != 0 &&
-		    strcmp(ri->http_version, "1.1") != 0) {
-			send_error(conn, 505,
-			    "HTTP version not supported",
-			    "%s", "Weird HTTP version");
-			log_access(conn);
-		} else {
-			ri->post_data = buf + request_len;
-			ri->post_data_len = nread - request_len;
-			conn->birth_time = time(NULL);
-			handle_request(conn);
-			log_access(conn);
-			shift_to_next(conn, buf, request_len, &nread);
-		}
-	} else {
-		/* Do not put garbage in the access log */
-		send_error(conn, 400, "Bad Request",
-		    "Can not parse request: [%.*s]", nread, buf);
-	}
-
-}
-
-/*
- * Worker threads take accepted socket from the queue
- */
-static bool_t
-get_socket(struct mg_context *ctx, struct socket *sp)
-{
-	struct timespec	ts;
-
-	(void) pthread_mutex_lock(&ctx->mutex);
-	DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: thread %p: going idle",
-	    __func__, (void *) pthread_self()));
-
-	/* If the queue is empty, wait. We're idle at this point. */
-	ctx->num_idle++;
-	while (ctx->sq_head == ctx->sq_tail) {
-		ts.tv_nsec = 0;
-		ts.tv_sec = time(NULL) + 10;
-		if (pthread_cond_timedwait(&ctx->empty_cond,
-		    &ctx->mutex, &ts) != 0) {
-			/* Timeout! release the mutex and return */
-			(void) pthread_mutex_unlock(&ctx->mutex);
-			return (FALSE);
-		}
-	}
-	assert(ctx->sq_head > ctx->sq_tail);
-
-	/* We're going busy now: got a socket to process! */
-	ctx->num_idle--;
-
-	/* Copy socket from the queue and increment tail */
-	*sp = ctx->queue[ctx->sq_tail % ARRAY_SIZE(ctx->queue)];
-	ctx->sq_tail++;
-	DEBUG_TRACE((DEBUG_MGS_PREFIX
-	    "%s: thread %p grabbed socket %d, going busy",
-	    __func__, (void *) pthread_self(), sp->sock));
-
-	/* Wrap pointers if needed */
-	while (ctx->sq_tail > (int) ARRAY_SIZE(ctx->queue)) {
-		ctx->sq_tail -= ARRAY_SIZE(ctx->queue);
-		ctx->sq_head -= ARRAY_SIZE(ctx->queue);
-	}
-
-	(void) pthread_cond_signal(&ctx->full_cond);
-	(void) pthread_mutex_unlock(&ctx->mutex);
-
-	return (TRUE);
-}
-
-static void
-worker_thread(struct mg_context *ctx)
-{
-	struct mg_connection	conn;
-
-	DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: thread %p starting",
-	    __func__, (void *) pthread_self()));
-
-	(void) memset(&conn, 0, sizeof(conn));
-
-	while (get_socket(ctx, &conn.client) == TRUE) {
-		conn.birth_time = time(NULL);
-		conn.ctx = ctx;
-
-		/*
-		 * Fill in IP, port info early so even if SSL setup below fails,
-		 * error handler would have the corresponding info.
-		 * Thanks to Johannes Winkelmann for the patch.
-		 */
-		conn.request_info.remote_port =
-		    ntohs(conn.client.rsa.u.sin.sin_port);
-		(void) memcpy(&conn.request_info.remote_ip,
-		    &conn.client.rsa.u.sin.sin_addr.s_addr, 4);
-		conn.request_info.remote_ip =
-		    ntohl(conn.request_info.remote_ip);
-		conn.request_info.is_ssl = conn.client.is_ssl;
-
-		if (conn.client.is_ssl &&
-		    (conn.ssl = SSL_new(conn.ctx->ssl_ctx)) == NULL) {
-			ssl_cry(&conn, "%s: SSL_new: %d", __func__, ERRNO);
-		} else if (conn.client.is_ssl &&
-		    SSL_set_fd(conn.ssl, conn.client.sock) != 1) {
-			ssl_cry(&conn, "%s: SSL_set_fd: %d", __func__, ERRNO);
-		} else if (conn.client.is_ssl && SSL_accept(conn.ssl) != 1) {
-			ssl_cry(&conn, "%s: SSL handshake error", __func__);
-		} else {
-			process_new_connection(&conn);
-		}
-
-		close_connection(&conn);
-	}
-
-	/* Signal master that we're done with connection and exiting */
-	(void) pthread_mutex_lock(&ctx->mutex);
-	ctx->num_threads--;
-	ctx->num_idle--;
-	(void) pthread_cond_signal(&ctx->thr_cond);
-	assert(ctx->num_threads >= 0);
-	(void) pthread_mutex_unlock(&ctx->mutex);
-
-	DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: thread %p exiting",
-	    __func__, (void *) pthread_self()));
-}
-
-/*
- * Master thread adds accepted socket to a queue
- */
-static void
-put_socket(struct mg_context *ctx, const struct socket *sp)
-{
-	(void) pthread_mutex_lock(&ctx->mutex);
-
-	/* If the queue is full, wait */
-	while (ctx->sq_head - ctx->sq_tail >= (int) ARRAY_SIZE(ctx->queue))
-		(void) pthread_cond_wait(&ctx->full_cond, &ctx->mutex);
-	assert(ctx->sq_head - ctx->sq_tail < (int) ARRAY_SIZE(ctx->queue));
-
-	/* Copy socket to the queue and increment head */
-	ctx->queue[ctx->sq_head % ARRAY_SIZE(ctx->queue)] = *sp;
-	ctx->sq_head++;
-	DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: queued socket %d",
-	    __func__, sp->sock));
-
-	/* If there are no idle threads, start one */
-	if (ctx->num_idle == 0 &&
-	    ctx->num_threads < atoi(ctx->config->num_threads)) {
-		if (start_thread(ctx,
-		    (mg_thread_func_t) worker_thread, ctx) != 0)
-			cry(fc(ctx), "Cannot start thread: %d", ERRNO);
-		else
-			ctx->num_threads++;
-	}
-
-	(void) pthread_cond_signal(&ctx->empty_cond);
-	(void) pthread_mutex_unlock(&ctx->mutex);
-}
-
-static void
-accept_new_connection(const struct socket *listener, struct mg_context *ctx)
-{
-	struct socket	accepted;
-	bool_t		allowed;
-
-	accepted.rsa.len = sizeof(accepted.rsa.u.sin);
-	accepted.lsa = listener->lsa;
-	if ((accepted.sock = accept(listener->sock,
-	    &accepted.rsa.u.sa, &accepted.rsa.len)) == INVALID_SOCKET)
-		return;
-
-	allowed = check_acl(ctx, &accepted.rsa) == MG_SUCCESS;
-
-	if (allowed) {
-		/* Put accepted socket structure into the queue */
-		DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: accepted socket %d",
-		    __func__, accepted.sock));
-		accepted.is_ssl = listener->is_ssl;
-		put_socket(ctx, &accepted);
-	} else {
-		cry(fc(ctx), "%s: %s is not allowed to connect",
-		    __func__, inet_ntoa(accepted.rsa.u.sin.sin_addr));
-		(void) closesocket(accepted.sock);
-	}
-}
-
-static void
-master_thread(struct mg_context *ctx)
-{
-	fd_set		read_set;
-	struct timeval	tv;
-	struct socket	*sp;
-	int		max_fd;
-
-	while (ctx->stop_flag == 0) {
-		FD_ZERO(&read_set);
-		max_fd = -1;
-
-		/* Add listening sockets to the read set */
-		for (sp = ctx->listening_sockets; sp != NULL; sp = sp->next)
-			add_to_set(sp->sock, &read_set, &max_fd);
-
-		tv.tv_sec = 1;
-		tv.tv_usec = 0;
-
-		if (select(max_fd + 1, &read_set, NULL, NULL, &tv) < 0) {
-#ifdef _WIN32
-			/*
-			 * On windows, if read_set and write_set are empty,
-			 * select() returns "Invalid parameter" error
-			 * (at least on my Windows XP Pro). So in this case,
-			 * we sleep here.
-			 */
-			sleep(1);
-#endif /* _WIN32 */
-		} else {
-			for (sp = ctx->listening_sockets;
-					sp != NULL; sp = sp->next)
-				if (FD_ISSET(sp->sock, &read_set))
-					accept_new_connection(sp, ctx);
-		}
-	}
-
-	/* Stop signal received: somebody called mg_stop. Quit. */
-	close_all_listening_sockets(ctx);
-
-	/* Wait until all threads finish */
-	(void) pthread_mutex_lock(&ctx->mutex);
-	while (ctx->num_threads > 0)
-		(void) pthread_cond_wait(&ctx->thr_cond, &ctx->mutex);
-	(void) pthread_mutex_unlock(&ctx->mutex);
-
-	/* Deallocate SSL context */
-	if (ctx->ssl_ctx != NULL)
-		SSL_CTX_free(ctx->ssl_ctx);
-
-	(void) pthread_mutex_destroy(&ctx->mutex);
-	(void) pthread_cond_destroy(&ctx->thr_cond);
-	(void) pthread_cond_destroy(&ctx->empty_cond);
-	(void) pthread_cond_destroy(&ctx->full_cond);
-
-	/* Signal mg_stop() that we're done */
-	ctx->stop_flag = 2;
+    if (u.fp == NULL) {
+      cry(fc(ctx), "%s: cannot find %s", __func__, fp->name);
+      return FALSE;
+    } else {
+      fp->ptr = u.fp;
+    }
+  }
+
+  return TRUE;
+}
+
+// Dynamically load SSL library. Set up ctx->ssl_ctx pointer.
+static enum mg_error_t set_ssl_option(struct mg_context *ctx) {
+  SSL_CTX *CTX;
+  int i, size;
+  const char *pem = ctx->config->ssl_certificate;
+
+  if (pem == NULL) {
+    return MG_SUCCESS;
+  }
+
+  if (load_dll(ctx, SSL_LIB, ssl_sw) == FALSE ||
+      load_dll(ctx, CRYPTO_LIB, crypto_sw) == FALSE) {
+    return MG_ERROR;
+  }
+
+  // Initialize SSL crap
+  SSL_library_init();
+  SSL_load_error_strings();
+
+  if ((CTX = SSL_CTX_new(SSLv23_server_method())) == NULL) {
+    cry(fc(ctx), "SSL_CTX_new error: %s", ssl_error());
+  } else if (ctx->config->ssl_password_handler != NULL) {
+    SSL_CTX_set_default_passwd_cb(CTX, ctx->config->ssl_password_handler);
+  }
+
+  if (CTX != NULL && SSL_CTX_use_certificate_file(CTX, pem,
+        SSL_FILETYPE_PEM) == 0) {
+    cry(fc(ctx), "%s: cannot open %s: %s", __func__, pem, ssl_error());
+    return MG_ERROR;
+  } else if (CTX != NULL && SSL_CTX_use_PrivateKey_file(CTX, pem,
+        SSL_FILETYPE_PEM) == 0) {
+    cry(fc(ctx), "%s: cannot open %s: %s", NULL, pem, ssl_error());
+    return MG_ERROR;
+  }
+
+  // Initialize locking callbacks, needed for thread safety.
+  // http://www.openssl.org/support/faq.html#PROG1
+  size = sizeof(pthread_mutex_t) * CRYPTO_num_locks();
+  if ((ssl_mutexes = (pthread_mutex_t *) malloc(size)) == NULL) {
+    cry(fc(ctx), "%s: cannot allocate mutexes: %s", __func__, ssl_error());
+    return MG_ERROR;
+  }
+
+  for (i = 0; i < CRYPTO_num_locks(); i++) {
+    pthread_mutex_init(&ssl_mutexes[i], NULL);
+  }
+
+  CRYPTO_set_locking_callback(&ssl_locking_callback);
+  CRYPTO_set_id_callback(&ssl_id_callback);
+
+  // Done with everything. Save the context.
+  ctx->ssl_ctx = CTX;
+
+  return MG_SUCCESS;
+}
+#endif // !NO_SSL
+
+static enum mg_error_t set_gpass_option(struct mg_context *ctx) {
+  struct mgstat mgstat;
+  const char *path = ctx->config->global_passwords_file;
+
+  return path == NULL || mg_stat(path, &mgstat) == 0 ?  MG_SUCCESS : MG_ERROR;
+}
+
+static enum mg_error_t set_acl_option(struct mg_context *ctx) {
+  struct usa fake;
+  return check_acl(ctx, &fake);
 }
-
-void
-mg_stop(struct mg_context *ctx)
-{
-	ctx->stop_flag = 1;
-
-	/* Wait until mg_fini() stops */
-	while (ctx->stop_flag != 2)
-		(void) sleep(1);
-
-	assert(ctx->num_threads == 0);
-	free(ctx);
+
+static bool_t verify_document_root(struct mg_context *ctx, const char *root) {
+  char path[FILENAME_MAX], *p;
+  struct mgstat buf;
+
+  if ((p = strchr(root, ',')) == NULL) {
+    mg_strlcpy(path, root, sizeof(path));
+  } else {
+    mg_strlcpy(path, root, p - root + 1);
+  }
+
+  if (mg_stat(path, &buf) != 0) {
+    cry(fc(ctx), "Invalid root directory: \"%s\"", root);
+    return FALSE;
+  }
+  return TRUE;
+}
+
+static void reset_per_request_attributes(struct mg_connection *conn) {
+  if (conn->request_info.remote_user != NULL) {
+    free((void *) conn->request_info.remote_user);
+    conn->request_info.remote_user = NULL;
+  }
+  if (conn->free_post_data && conn->request_info.post_data != NULL) {
+    free((void *) conn->request_info.post_data);
+    conn->request_info.post_data = NULL;
+  }
+}
+
+static void close_socket_gracefully(SOCKET sock) {
+  char buf[BUFSIZ];
+  int n;
+
+  // Send FIN to the client
+  (void) shutdown(sock, SHUT_WR);
+  set_non_blocking_mode(sock);
+
+  // Read and discard pending data. If we do not do that and close the
+  // socket, the data in the send buffer may be discarded. This
+  // behaviour is seen on Windows, when client keeps sending data
+  // when server decide to close the connection; then when client
+  // does recv() it gets no data back.
+  do {
+    n = pull(NULL, sock, NULL, buf, sizeof(buf));
+  } while (n > 0);
+
+  // Now we know that our FIN is ACK-ed, safe to close
+  (void) closesocket(sock);
+}
+
+static void close_connection(struct mg_connection *conn) {
+  reset_per_request_attributes(conn);
+
+  if (conn->ssl) {
+    SSL_free(conn->ssl);
+    conn->ssl = NULL;
+  }
+
+  if (conn->client.sock != INVALID_SOCKET) {
+    close_socket_gracefully(conn->client.sock);
+  }
+}
+
+static void reset_connection_attributes(struct mg_connection *conn) {
+  reset_per_request_attributes(conn);
+  conn->free_post_data = FALSE;
+  conn->request_info.status_code = -1;
+  conn->num_bytes_sent = 0;
+  (void) memset(&conn->request_info, 0, sizeof(conn->request_info));
+}
+
+static void shift_to_next(struct mg_connection *conn, char *buf, int req_len,
+                          int *nread) {
+  int64_t cl;
+  int over_len, body_len;
+
+  cl = get_content_length(conn);
+  over_len = *nread - req_len;
+  assert(over_len >= 0);
+
+  if (cl == -1) {
+    body_len = 0;
+  } else if (cl < (int64_t) over_len) {
+    body_len = (int) cl;
+  } else {
+    body_len = over_len;
+  }
+
+  *nread -= req_len + body_len;
+  (void) memmove(buf, buf + req_len + body_len, *nread);
+}
+
+static void process_new_connection(struct mg_connection *conn) {
+  struct mg_request_info *ri = &conn->request_info;
+  char buf[MAX_REQUEST_SIZE];
+  int request_len, nread;
+
+  nread = 0;
+  reset_connection_attributes(conn);
+
+  // If next request is not pipelined, read it in
+  if ((request_len = get_request_len(buf, (size_t) nread)) == 0)
+    request_len = read_request(NULL, conn->client.sock,
+        conn->ssl, buf, sizeof(buf), &nread);
+  assert(nread >= request_len);
+
+  if (request_len <= 0) {
+    return; // Remote end closed the connection
+  }
+
+  // 0-terminate the request: parse_request uses sscanf
+  buf[request_len - 1] = '\0';
+
+  if (parse_http_request(buf, ri)) {
+    if (strcmp(ri->http_version, "1.0") != 0 &&
+        strcmp(ri->http_version, "1.1") != 0) {
+      send_http_error(conn, 505,
+          "HTTP version not supported",
+          "%s", "Weird HTTP version");
+      log_access(conn);
+    } else {
+      ri->post_data = buf + request_len;
+      ri->post_data_len = nread - request_len;
+      conn->birth_time = time(NULL);
+      handle_request(conn);
+      log_access(conn);
+      shift_to_next(conn, buf, request_len, &nread);
+    }
+  } else {
+    // Do not put garbage in the access log
+    send_http_error(conn, 400, "Bad Request",
+        "Can not parse request: [%.*s]", nread, buf);
+  }
+}
+
+// Worker threads take accepted socket from the queue
+static bool_t get_socket(struct mg_context *ctx, struct socket *sp) {
+  struct timespec ts;
+
+  (void) pthread_mutex_lock(&ctx->mutex);
+  DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: thread %p: going idle",
+        __func__, (void *) pthread_self()));
+
+  // If the queue is empty, wait. We're idle at this point.
+  ctx->num_idle++;
+  while (ctx->sq_head == ctx->sq_tail) {
+    ts.tv_nsec = 0;
+    ts.tv_sec = time(NULL) + 10;
+    if (pthread_cond_timedwait(&ctx->empty_cond, &ctx->mutex, &ts) != 0) {
+      // Timeout! release the mutex and return
+      (void) pthread_mutex_unlock(&ctx->mutex);
+      return FALSE;
+    }
+  }
+  assert(ctx->sq_head > ctx->sq_tail);
+
+  // We're going busy now: got a socket to process!
+  ctx->num_idle--;
+
+  // Copy socket from the queue and increment tail
+  *sp = ctx->queue[ctx->sq_tail % ARRAY_SIZE(ctx->queue)];
+  ctx->sq_tail++;
+  DEBUG_TRACE((DEBUG_MGS_PREFIX
+        "%s: thread %p grabbed socket %d, going busy",
+        __func__, (void *) pthread_self(), sp->sock));
+
+  // Wrap pointers if needed
+  while (ctx->sq_tail > (int) ARRAY_SIZE(ctx->queue)) {
+    ctx->sq_tail -= ARRAY_SIZE(ctx->queue);
+    ctx->sq_head -= ARRAY_SIZE(ctx->queue);
+  }
+
+  (void) pthread_cond_signal(&ctx->full_cond);
+  (void) pthread_mutex_unlock(&ctx->mutex);
+
+  return TRUE;
+}
+
+static void worker_thread(struct mg_context *ctx) {
+  struct mg_connection conn;
+
+  DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: thread %p starting",
+        __func__, (void *) pthread_self()));
+
+  (void) memset(&conn, 0, sizeof(conn));
+
+  while (get_socket(ctx, &conn.client) == TRUE) {
+    conn.birth_time = time(NULL);
+    conn.ctx = ctx;
+
+    // Fill in IP, port info early so even if SSL setup below fails,
+    // error handler would have the corresponding info.
+    // Thanks to Johannes Winkelmann for the patch.
+    conn.request_info.remote_port =
+      ntohs(conn.client.rsa.u.sin.sin_port);
+    (void) memcpy(&conn.request_info.remote_ip,
+        &conn.client.rsa.u.sin.sin_addr.s_addr, 4);
+    conn.request_info.remote_ip =
+      ntohl(conn.request_info.remote_ip);
+    conn.request_info.is_ssl = conn.client.is_ssl;
+
+    if (conn.client.is_ssl && (conn.ssl = SSL_new(conn.ctx->ssl_ctx)) == NULL) {
+      cry(&conn, "%s: SSL_new: %s", __func__, ssl_error());
+    } else if (conn.client.is_ssl &&
+        SSL_set_fd(conn.ssl, conn.client.sock) != 1) {
+      cry(&conn, "%s: SSL_set_fd: %s", __func__, ssl_error());
+    } else if (conn.client.is_ssl && SSL_accept(conn.ssl) != 1) {
+      cry(&conn, "%s: SSL handshake error: %s", __func__, ssl_error());
+    } else {
+      process_new_connection(&conn);
+    }
+
+    close_connection(&conn);
+  }
+
+  // Signal master that we're done with connection and exiting
+  (void) pthread_mutex_lock(&ctx->mutex);
+  ctx->num_threads--;
+  ctx->num_idle--;
+  (void) pthread_cond_signal(&ctx->thr_cond);
+  assert(ctx->num_threads >= 0);
+  (void) pthread_mutex_unlock(&ctx->mutex);
+
+  DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: thread %p exiting",
+        __func__, (void *) pthread_self()));
+}
+
+// Master thread adds accepted socket to a queue
+static void put_socket(struct mg_context *ctx, const struct socket *sp) {
+  (void) pthread_mutex_lock(&ctx->mutex);
+
+  // If the queue is full, wait
+  while (ctx->sq_head - ctx->sq_tail >= (int) ARRAY_SIZE(ctx->queue)) {
+    (void) pthread_cond_wait(&ctx->full_cond, &ctx->mutex);
+  }
+  assert(ctx->sq_head - ctx->sq_tail < (int) ARRAY_SIZE(ctx->queue));
+
+  // Copy socket to the queue and increment head
+  ctx->queue[ctx->sq_head % ARRAY_SIZE(ctx->queue)] = *sp;
+  ctx->sq_head++;
+  DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: queued socket %d", __func__, sp->sock));
+
+  // If there are no idle threads, start one
+  if (ctx->num_idle == 0 && ctx->num_threads < atoi(ctx->config->num_threads)) {
+    if (start_thread(ctx, (mg_thread_func_t) worker_thread, ctx) != 0) {
+      cry(fc(ctx), "Cannot start thread: %d", ERRNO);
+    } else {
+      ctx->num_threads++;
+    }
+  }
+
+  (void) pthread_cond_signal(&ctx->empty_cond);
+  (void) pthread_mutex_unlock(&ctx->mutex);
+}
+
+static void accept_new_connection(const struct socket *listener,
+                                  struct mg_context *ctx) {
+  struct socket accepted;
+  bool_t allowed;
+
+  accepted.rsa.len = sizeof(accepted.rsa.u.sin);
+  accepted.lsa = listener->lsa;
+  if ((accepted.sock = accept(listener->sock, &accepted.rsa.u.sa,
+                              &accepted.rsa.len)) == INVALID_SOCKET) {
+    return;
+  }
+
+  allowed = check_acl(ctx, &accepted.rsa) == MG_SUCCESS;
+
+  if (allowed == TRUE) {
+    // Put accepted socket structure into the queue
+    DEBUG_TRACE((DEBUG_MGS_PREFIX "%s: accepted socket %d",
+          __func__, accepted.sock));
+    accepted.is_ssl = listener->is_ssl;
+    put_socket(ctx, &accepted);
+  } else {
+    cry(fc(ctx), "%s: %s is not allowed to connect",
+        __func__, inet_ntoa(accepted.rsa.u.sin.sin_addr));
+    (void) closesocket(accepted.sock);
+  }
+}
+
+static void master_thread(struct mg_context *ctx) {
+  fd_set read_set;
+  struct timeval tv;
+  struct socket *sp;
+  int max_fd;
+
+  while (ctx->stop_flag == 0) {
+    FD_ZERO(&read_set);
+    max_fd = -1;
+
+    // Add listening sockets to the read set
+    for (sp = ctx->listening_sockets; sp != NULL; sp = sp->next) {
+      add_to_set(sp->sock, &read_set, &max_fd);
+    }
+
+    tv.tv_sec = 1;
+    tv.tv_usec = 0;
+
+    if (select(max_fd + 1, &read_set, NULL, NULL, &tv) < 0) {
+#ifdef _WIN32
+      // On windows, if read_set and write_set are empty,
+      // select() returns "Invalid parameter" error
+      // (at least on my Windows XP Pro). So in this case, we sleep here.
+      sleep(1);
+#endif // _WIN32
+    } else {
+      for (sp = ctx->listening_sockets; sp != NULL; sp = sp->next)
+        if (FD_ISSET(sp->sock, &read_set))
+          accept_new_connection(sp, ctx);
+    }
+  }
+
+  // Stop signal received: somebody called mg_stop. Quit.
+  close_all_listening_sockets(ctx);
+
+  // Wait until all threads finish
+  (void) pthread_mutex_lock(&ctx->mutex);
+  while (ctx->num_threads > 0) {
+    (void) pthread_cond_wait(&ctx->thr_cond, &ctx->mutex);
+  }
+  (void) pthread_mutex_unlock(&ctx->mutex);
+
+  // Deallocate SSL context
+  if (ctx->ssl_ctx != NULL) {
+    SSL_CTX_free(ctx->ssl_ctx);
+  }
+
+  (void) pthread_mutex_destroy(&ctx->mutex);
+  (void) pthread_cond_destroy(&ctx->thr_cond);
+  (void) pthread_cond_destroy(&ctx->empty_cond);
+  (void) pthread_cond_destroy(&ctx->full_cond);
+
+  // Signal mg_stop() that we're done
+  ctx->stop_flag = 2;
+}
+
+void mg_stop(struct mg_context *ctx) {
+  ctx->stop_flag = 1;
+
+  // Wait until mg_fini() stops
+  while (ctx->stop_flag != 2) {
+    (void) sleep(1);
+  }
+
+  assert(ctx->num_threads == 0);
+  free(ctx);
 
 #if defined(_WIN32)
-	(void) WSACleanup();
-#endif /* _WIN32 */
+  (void) WSACleanup();
+#endif // _WIN32
 }
 
-struct mg_context *
-mg_start(struct mg_config *config)
-{
-	struct mg_context	*ctx, fake_ctx;
+struct mg_context * mg_start(struct mg_config *config) {
+  struct mg_context *ctx, fake_ctx;
 
 #if defined(_WIN32)
-	WSADATA data;
-	WSAStartup(MAKEWORD(2,2), &data);
-#endif /* _WIN32 */
-
-	fake_ctx.config = config;
-	
-	if (config->listening_ports == NULL ||
-	    config->num_threads == NULL ||
-	    config->auth_domain == NULL) {
-		cry(fc(&fake_ctx), "Please specify "
-		    "num_threads, listening_ports, auth_domain");
-		return (NULL);
-        } else if (config->document_root != NULL &&
-	    verify_document_root(&fake_ctx, config->document_root) != TRUE) {
-		cry(fc(&fake_ctx), "Invalid root directory: \"%s\"",
-		    config->document_root);
-		return (NULL);
-	} else if ((ctx = calloc(1, sizeof(*ctx))) == NULL) {
-		cry(fc(&fake_ctx), "Cannot allocate mongoose context");
-		return (NULL);
-	}
-	ctx->config = config;
-
-	/*
-	 * NOTE(lsm): order is important here. SSL certificates must
-	 * be initialized before listening ports. UID must be set last.
-	 */
-	if (set_ssl_option(ctx) == MG_ERROR ||
-	    set_ports_option(ctx) == MG_ERROR ||
-	    set_gpass_option(ctx) == MG_ERROR ||
+  WSADATA data;
+  WSAStartup(MAKEWORD(2,2), &data);
+#endif // _WIN32
+
+  fake_ctx.config = config;
+
+  if (config->listening_ports == NULL ||
+      config->num_threads == NULL ||
+      config->auth_domain == NULL) {
+    cry(fc(&fake_ctx), "Please specify "
+        "num_threads, listening_ports, auth_domain");
+    return NULL;
+  } else if (config->document_root != NULL &&
+      verify_document_root(&fake_ctx, config->document_root) != TRUE) {
+    cry(fc(&fake_ctx), "Invalid root directory: \"%s\"",
+        config->document_root);
+    return NULL;
+  } else if ((ctx = calloc(1, sizeof(*ctx))) == NULL) {
+    cry(fc(&fake_ctx), "Cannot allocate mongoose context");
+    return NULL;
+  }
+  ctx->config = config;
+
+  // NOTE(lsm): order is important here. SSL certificates must
+  // be initialized before listening ports. UID must be set last.
+  if (set_ssl_option(ctx) == MG_ERROR ||
+      set_ports_option(ctx) == MG_ERROR ||
+      set_gpass_option(ctx) == MG_ERROR ||
 #if !defined(_WIN32)
-	    set_uid_option(ctx) == MG_ERROR ||
+      set_uid_option(ctx) == MG_ERROR ||
 #endif
-	    set_acl_option(ctx) == MG_ERROR) {
-		free(ctx);
-		return (NULL);
-	}
+      set_acl_option(ctx) == MG_ERROR) {
+    free(ctx);
+    return NULL;
+  }
 
 #if !defined(_WIN32)
-	/*
-	 * Ignore SIGPIPE signal, so if browser cancels the request, it
-	 * won't kill the whole process.
-	 */
-	(void) signal(SIGPIPE, SIG_IGN);
-#endif /* !_WIN32 */
-
-	(void) pthread_mutex_init(&ctx->mutex, NULL);
-	(void) pthread_cond_init(&ctx->thr_cond, NULL);
-	(void) pthread_cond_init(&ctx->empty_cond, NULL);
-	(void) pthread_cond_init(&ctx->full_cond, NULL);
-
-	/* Start master (listening) thread */
-	start_thread(ctx, (mg_thread_func_t) master_thread, ctx);
-
-	return (ctx);
+  // Ignore SIGPIPE signal, so if browser cancels the request, it
+  // won't kill the whole process.
+  (void) signal(SIGPIPE, SIG_IGN);
+#endif // !_WIN32
+
+  (void) pthread_mutex_init(&ctx->mutex, NULL);
+  (void) pthread_cond_init(&ctx->thr_cond, NULL);
+  (void) pthread_cond_init(&ctx->empty_cond, NULL);
+  (void) pthread_cond_init(&ctx->full_cond, NULL);
+
+  // Start master (listening) thread
+  start_thread(ctx, (mg_thread_func_t) master_thread, ctx);
+
+  return ctx;
 }