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Merge pull request #29 from DaveGamble/reformatting

Reformatting code
Max Bruckner 8 jaren geleden
bovenliggende
commit
f0fc6c50ba
2 gewijzigde bestanden met toevoegingen van 2084 en 649 verwijderingen
  1. 2033 608
      cJSON.c
  2. 51 41
      cJSON.h

+ 2033 - 608
cJSON.c

@@ -34,13 +34,31 @@
 
 static const char *global_ep;
 
-const char *cJSON_GetErrorPtr(void) {return global_ep;}
+const char *cJSON_GetErrorPtr(void)
+{
+    return global_ep;
+}
 
-static int cJSON_strcasecmp(const char *s1,const char *s2)
+/* case insensitive strcmp */
+static int cJSON_strcasecmp(const char *s1, const char *s2)
 {
-	if (!s1) return (s1==s2)?0:1;if (!s2) return 1;
-	for(; tolower(*s1) == tolower(*s2); ++s1, ++s2)	if(*s1 == 0)	return 0;
-	return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2);
+    if (!s1)
+    {
+        return (s1 == s2) ? 0 : 1; /* both NULL? */
+    }
+    if (!s2)
+    {
+        return 1;
+    }
+    for(; tolower(*s1) == tolower(*s2); ++s1, ++s2)
+    {
+        if (*s1 == 0)
+        {
+            return 0;
+        }
+    }
+
+    return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2);
 }
 
 static void *(*cJSON_malloc)(size_t sz) = malloc;
@@ -48,718 +66,2125 @@ static void (*cJSON_free)(void *ptr) = free;
 
 static char* cJSON_strdup(const char* str)
 {
-      size_t len;
-      char* copy;
+    size_t len;
+    char* copy;
+
+    len = strlen(str) + 1;
+    if (!(copy = (char*)cJSON_malloc(len)))
+    {
+        return 0;
+    }
+    memcpy(copy, str, len);
 
-      len = strlen(str) + 1;
-      if (!(copy = (char*)cJSON_malloc(len))) return 0;
-      memcpy(copy,str,len);
-      return copy;
+    return copy;
 }
 
 void cJSON_InitHooks(cJSON_Hooks* hooks)
 {
-    if (!hooks) { /* Reset hooks */
+    if (!hooks)
+    {
+        /* Reset hooks */
         cJSON_malloc = malloc;
         cJSON_free = free;
         return;
     }
 
-	cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:malloc;
-	cJSON_free	 = (hooks->free_fn)?hooks->free_fn:free;
+    cJSON_malloc = (hooks->malloc_fn) ? hooks->malloc_fn : malloc;
+    cJSON_free = (hooks->free_fn) ? hooks->free_fn : free;
 }
 
 /* Internal constructor. */
 static cJSON *cJSON_New_Item(void)
 {
-	cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
-	if (node) memset(node,0,sizeof(cJSON));
-	return node;
+    cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
+    if (node)
+    {
+        memset(node, 0, sizeof(cJSON));
+    }
+
+    return node;
 }
 
 /* Delete a cJSON structure. */
 void cJSON_Delete(cJSON *c)
 {
-	cJSON *next;
-	while (c)
-	{
-		next=c->next;
-		if (!(c->type&cJSON_IsReference) && c->child) cJSON_Delete(c->child);
-		if (!(c->type&cJSON_IsReference) && c->valuestring) cJSON_free(c->valuestring);
-		if (!(c->type&cJSON_StringIsConst) && c->string) cJSON_free(c->string);
-		cJSON_free(c);
-		c=next;
-	}
+    cJSON *next;
+    while (c)
+    {
+        next = c->next;
+        if (!(c->type & cJSON_IsReference) && c->child)
+        {
+            cJSON_Delete(c->child);
+        }
+        if (!(c->type & cJSON_IsReference) && c->valuestring)
+        {
+            cJSON_free(c->valuestring);
+        }
+        if (!(c->type & cJSON_StringIsConst) && c->string)
+        {
+            cJSON_free(c->string);
+        }
+        cJSON_free(c);
+        c = next;
+    }
 }
 
 /* Parse the input text to generate a number, and populate the result into item. */
-static const char *parse_number(cJSON *item,const char *num)
+static const char *parse_number(cJSON *item, const char *num)
 {
-	double n=0,sign=1,scale=0;int subscale=0,signsubscale=1;
+    double n = 0;
+    double sign = 1;
+    double scale = 0;
+    int subscale = 0;
+    int signsubscale = 1;
+
+    /* Has sign? */
+    if (*num == '-')
+    {
+        sign = -1;
+        num++;
+    }
+    /* is zero */
+    if (*num == '0')
+    {
+        num++;
+    }
+    /* Number? */
+    if ((*num >= '1') && (*num <= '9'))
+    {
+        do
+        {
+            n = (n * 10.0) + (*num++ - '0');
+        }
+        while ((*num >= '0') && (*num<='9'));
+    }
+    /* Fractional part? */
+    if ((*num == '.') && (num[1] >= '0') && (num[1] <= '9'))
+    {
+        num++;
+        do
+        {
+            n = (n  *10.0) + (*num++ - '0');
+            scale--;
+        } while ((*num >= '0') && (*num <= '9'));
+    }
+    /* Exponent? */
+    if ((*num == 'e') || (*num == 'E'))
+    {
+        num++;
+        /* With sign? */
+        if (*num == '+')
+        {
+            num++;
+        }
+        else if (*num == '-')
+        {
+            signsubscale = -1;
+            num++;
+        }
+        /* Number? */
+        while ((*num>='0') && (*num<='9'))
+        {
+            subscale = (subscale * 10) + (*num++ - '0');
+        }
+    }
+
+    /* number = +/- number.fraction * 10^+/- exponent */
+    n = sign * n * pow(10.0, (scale + subscale * signsubscale));
 
-	if (*num=='-') sign=-1,num++;	/* Has sign? */
-	if (*num=='0') num++;			/* is zero */
-	if (*num>='1' && *num<='9')	do	n=(n*10.0)+(*num++ -'0');	while (*num>='0' && *num<='9');	/* Number? */
-	if (*num=='.' && num[1]>='0' && num[1]<='9') {num++;		do	n=(n*10.0)+(*num++ -'0'),scale--; while (*num>='0' && *num<='9');}	/* Fractional part? */
-	if (*num=='e' || *num=='E')		/* Exponent? */
-	{	num++;if (*num=='+') num++;	else if (*num=='-') signsubscale=-1,num++;		/* With sign? */
-		while (*num>='0' && *num<='9') subscale=(subscale*10)+(*num++ - '0');	/* Number? */
-	}
+    item->valuedouble = n;
+    item->valueint = (int)n;
+    item->type = cJSON_Number;
 
-	n=sign*n*pow(10.0,(scale+subscale*signsubscale));	/* number = +/- number.fraction * 10^+/- exponent */
-	
-	item->valuedouble=n;
-	item->valueint=(int)n;
-	item->type=cJSON_Number;
-	return num;
+    return num;
 }
 
-static int pow2gt (int x)	{	--x;	x|=x>>1;	x|=x>>2;	x|=x>>4;	x|=x>>8;	x|=x>>16;	return x+1;	}
+/* calculate the next largest power of 2 */
+static int pow2gt (int x)
+{
+    --x;
 
-typedef struct {char *buffer; int length; int offset; } printbuffer;
+    x |= x >> 1;
+    x |= x >> 2;
+    x |= x >> 4;
+    x |= x >> 8;
+    x |= x >> 16;
+
+    return x + 1;
+}
 
-static char* ensure(printbuffer *p,int needed)
+typedef struct
 {
-	char *newbuffer;int newsize;
-	if (!p || !p->buffer) return 0;
-	needed+=p->offset;
-	if (needed<=p->length) return p->buffer+p->offset;
+    char *buffer;
+    int length;
+    int offset;
+} printbuffer;
 
-	newsize=pow2gt(needed);
-	newbuffer=(char*)cJSON_malloc(newsize);
-	if (!newbuffer) {cJSON_free(p->buffer);p->length=0,p->buffer=0;return 0;}
-	if (newbuffer) memcpy(newbuffer,p->buffer,p->length);
-	cJSON_free(p->buffer);
-	p->length=newsize;
-	p->buffer=newbuffer;
-	return newbuffer+p->offset;
+/* realloc printbuffer if necessary to have at least "needed" bytes more */
+static char* ensure(printbuffer *p, int needed)
+{
+    char *newbuffer;
+    int newsize;
+    if (!p || !p->buffer)
+    {
+        return 0;
+    }
+    needed += p->offset;
+    if (needed <= p->length)
+    {
+        return p->buffer + p->offset;
+    }
+
+    newsize = pow2gt(needed);
+    newbuffer = (char*)cJSON_malloc(newsize);
+    if (!newbuffer)
+    {
+        cJSON_free(p->buffer);
+        p->length = 0;
+        p->buffer = 0;
+
+        return 0;
+    }
+    if (newbuffer)
+    {
+        memcpy(newbuffer, p->buffer, p->length);
+    }
+    cJSON_free(p->buffer);
+    p->length = newsize;
+    p->buffer = newbuffer;
+
+    return newbuffer + p->offset;
 }
 
+/* calculate the new length of the string in a printbuffer */
 static int update(printbuffer *p)
 {
-	char *str;
-	if (!p || !p->buffer) return 0;
-	str=p->buffer+p->offset;
-	return p->offset+strlen(str);
+    char *str;
+    if (!p || !p->buffer)
+    {
+        return 0;
+    }
+    str = p->buffer + p->offset;
+
+    return p->offset + strlen(str);
 }
 
 /* Render the number nicely from the given item into a string. */
-static char *print_number(cJSON *item,printbuffer *p)
-{
-	char *str=0;
-	double d=item->valuedouble;
-	if (d==0)
-	{
-		if (p)	str=ensure(p,2);
-		else	str=(char*)cJSON_malloc(2);	/* special case for 0. */
-		if (str) strcpy(str,"0");
-	}
-	else if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN)
-	{
-		if (p)	str=ensure(p,21);
-		else	str=(char*)cJSON_malloc(21);	/* 2^64+1 can be represented in 21 chars. */
-		if (str)	sprintf(str,"%d",item->valueint);
-	}
-	else
-	{
-		if (p)	str=ensure(p,64);
-		else	str=(char*)cJSON_malloc(64);	/* This is a nice tradeoff. */
-		if (str)
-		{
-			if (d*0!=0)													sprintf(str,"null");	/* This checks for NaN and Infinity */
-			else if (fabs(floor(d)-d)<=DBL_EPSILON && fabs(d)<1.0e60)	sprintf(str,"%.0f",d);
-			else if (fabs(d)<1.0e-6 || fabs(d)>1.0e9)					sprintf(str,"%e",d);
-			else														sprintf(str,"%f",d);
-		}
-	}
-	return str;
+static char *print_number(cJSON *item, printbuffer *p)
+{
+    char *str = 0;
+    double d = item->valuedouble;
+    /* special case for 0. */
+    if (d == 0)
+    {
+        if (p)
+        {
+            str = ensure(p, 2);
+        }
+        else
+        {
+            str = (char*)cJSON_malloc(2);
+        }
+        if (str)
+        {
+            strcpy(str,"0");
+        }
+    }
+    /* value is an int */
+    else if ((fabs(((double)item->valueint) - d) <= DBL_EPSILON) && (d <= INT_MAX) && (d >= INT_MIN))
+    {
+        if (p)
+        {
+            str = ensure(p, 21);
+        }
+        else
+        {
+            /* 2^64+1 can be represented in 21 chars. */
+            str = (char*)cJSON_malloc(21);
+        }
+        if (str)
+        {
+            sprintf(str, "%d", item->valueint);
+        }
+    }
+    /* value is a floating point number */
+    else
+    {
+        if (p)
+        {
+            /* This is a nice tradeoff. */
+            str = ensure(p, 64);
+        }
+        else
+        {
+            /* This is a nice tradeoff. */
+            str=(char*)cJSON_malloc(64);
+        }
+        if (str)
+        {
+            /* This checks for NaN and Infinity */
+            if ((d * 0) != 0)
+            {
+                sprintf(str, "null");
+            }
+            else if ((fabs(floor(d) - d) <= DBL_EPSILON) && (fabs(d) < 1.0e60))
+            {
+                sprintf(str, "%.0f", d);
+            }
+            else if ((fabs(d) < 1.0e-6) || (fabs(d) > 1.0e9))
+            {
+                sprintf(str, "%e", d);
+            }
+            else
+            {
+                sprintf(str, "%f", d);
+            }
+        }
+    }
+    return str;
 }
 
+/* parse 4 digit hexadecimal number */
 static unsigned parse_hex4(const char *str)
 {
-	unsigned h=0;
-	if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
-	h=h<<4;str++;
-	if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
-	h=h<<4;str++;
-	if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
-	h=h<<4;str++;
-	if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0;
-	return h;
+    unsigned h = 0;
+    /* first digit */
+    if ((*str >= '0') && (*str <= '9'))
+    {
+        h += (*str) - '0';
+    }
+    else if ((*str >= 'A') && (*str <= 'F'))
+    {
+        h += 10 + (*str) - 'A';
+    }
+    else if ((*str >= 'a') && (*str <= 'f'))
+    {
+        h += 10 + (*str) - 'a';
+    }
+    else /* invalid */
+    {
+        return 0;
+    }
+
+
+    /* second digit */
+    h = h << 4;
+    str++;
+    if ((*str >= '0') && (*str <= '9'))
+    {
+        h += (*str) - '0';
+    }
+    else if ((*str >= 'A') && (*str <= 'F'))
+    {
+        h += 10 + (*str) - 'A';
+    }
+    else if ((*str >= 'a') && (*str <= 'f'))
+    {
+        h += 10 + (*str) - 'a';
+    }
+    else /* invalid */
+    {
+        return 0;
+    }
+
+    /* third digit */
+    h = h << 4;
+    str++;
+    if ((*str >= '0') && (*str <= '9'))
+    {
+        h += (*str) - '0';
+    }
+    else if ((*str >= 'A') && (*str <= 'F'))
+    {
+        h += 10 + (*str) - 'A';
+    }
+    else if ((*str >= 'a') && (*str <= 'f'))
+    {
+        h += 10 + (*str) - 'a';
+    }
+    else /* invalid */
+    {
+        return 0;
+    }
+
+    /* fourth digit */
+    h = h << 4;
+    str++;
+    if ((*str >= '0') && (*str <= '9'))
+    {
+        h += (*str) - '0';
+    }
+    else if ((*str >= 'A') && (*str <= 'F'))
+    {
+        h += 10 + (*str) - 'A';
+    }
+    else if ((*str >= 'a') && (*str <= 'f'))
+    {
+        h += 10 + (*str) - 'a';
+    }
+    else /* invalid */
+    {
+        return 0;
+    }
+
+    return h;
 }
 
+/* first bytes of UTF8 encoding for a given length in bytes */
+static const unsigned char firstByteMark[7] =
+{
+    0x00, /* should never happen */
+    0x00, /* 0xxxxxxx */
+    0xC0, /* 110xxxxx */
+    0xE0, /* 1110xxxx */
+    0xF0, /* 11110xxx */
+    0xF8,
+    0xFC
+};
+
 /* Parse the input text into an unescaped cstring, and populate item. */
-static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
-static const char *parse_string(cJSON *item,const char *str,const char **ep)
-{
-	const char *ptr=str+1,*end_ptr=str+1;char *ptr2;char *out;int len=0;unsigned uc,uc2;
-	if (*str!='\"') {*ep=str;return 0;}	/* not a string! */
-
-	while (*end_ptr!='\"' && *end_ptr && ++len)
-	{
-	    if (*end_ptr++ == '\\')
-	    {
-		if (*end_ptr == '\0')
-		{
-		    /* prevent buffer overflow when last input character is a backslash */
-		    return 0;
-		}
-		end_ptr++;	/* Skip escaped quotes. */
-	    }
-	}
-
-	out=(char*)cJSON_malloc(len+1);	/* This is how long we need for the string, roughly. */
-	if (!out) return 0;
-	item->valuestring=out; /* assign here so out will be deleted during cJSON_Delete() later */
-	item->type=cJSON_String;
-	
-	ptr=str+1;ptr2=out;
-	while (ptr < end_ptr)
-	{
-		if (*ptr!='\\') *ptr2++=*ptr++;
-		else
-		{
-			ptr++;
-			switch (*ptr)
-			{
-				case 'b': *ptr2++='\b';	break;
-				case 'f': *ptr2++='\f';	break;
-				case 'n': *ptr2++='\n';	break;
-				case 'r': *ptr2++='\r';	break;
-				case 't': *ptr2++='\t';	break;
-				case 'u':	 /* transcode utf16 to utf8. */
-					uc=parse_hex4(ptr+1);ptr+=4;	/* get the unicode char. */
-					if (ptr >= end_ptr) {*ep=str;return 0;}	/* invalid */
-					
-					if ((uc>=0xDC00 && uc<=0xDFFF) || uc==0)    {*ep=str;return 0;}	/* check for invalid.   */
-					
-					if (uc>=0xD800 && uc<=0xDBFF)	/* UTF16 surrogate pairs.	*/
-					{
-						if (ptr+6 > end_ptr)    {*ep=str;return 0;}	/* invalid */
-						if (ptr[1]!='\\' || ptr[2]!='u')    {*ep=str;return 0;}	/* missing second-half of surrogate.    */
-						uc2=parse_hex4(ptr+3);ptr+=6;
-						if (uc2<0xDC00 || uc2>0xDFFF)       {*ep=str;return 0;}	/* invalid second-half of surrogate.    */
-						uc=0x10000 + (((uc&0x3FF)<<10) | (uc2&0x3FF));
-					}
-
-					len=4;if (uc<0x80) len=1;else if (uc<0x800) len=2;else if (uc<0x10000) len=3; ptr2+=len;
-					
-					switch (len) {
-						case 4: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
-						case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
-						case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
-						case 1: *--ptr2 =(uc | firstByteMark[len]);
-					}
-					ptr2+=len;
-					break;
-				default:  *ptr2++=*ptr; break;
-			}
-			ptr++;
-		}
-	}
-	*ptr2=0;
-	if (*ptr=='\"') ptr++;
-	return ptr;
+static const char *parse_string(cJSON *item, const char *str, const char **ep)
+{
+    const char *ptr = str + 1;
+    const char *end_ptr =str + 1;
+    char *ptr2;
+    char *out;
+    int len = 0;
+    unsigned uc;
+    unsigned uc2;
+
+    /* not a string! */
+    if (*str != '\"')
+    {
+        *ep = str;
+        return 0;
+    }
+
+    while ((*end_ptr != '\"') && *end_ptr && ++len)
+    {
+        if (*end_ptr++ == '\\')
+        {
+            if (*end_ptr == '\0')
+            {
+                /* prevent buffer overflow when last input character is a backslash */
+                return 0;
+            }
+            /* Skip escaped quotes. */
+            end_ptr++;
+        }
+    }
+
+    /* This is at most how long we need for the string, roughly. */
+    out = (char*)cJSON_malloc(len + 1);
+    if (!out)
+    {
+        return 0;
+    }
+    item->valuestring = out; /* assign here so out will be deleted during cJSON_Delete() later */
+    item->type = cJSON_String;
+
+    ptr = str + 1;
+    ptr2 = out;
+    /* loop through the string literal */
+    while (ptr < end_ptr)
+    {
+        if (*ptr != '\\')
+        {
+            *ptr2++ = *ptr++;
+        }
+        /* escape sequence */
+        else
+        {
+            ptr++;
+            switch (*ptr)
+            {
+                case 'b':
+                    *ptr2++ = '\b';
+                    break;
+                case 'f':
+                    *ptr2++ = '\f';
+                    break;
+                case 'n':
+                    *ptr2++ = '\n';
+                    break;
+                case 'r':
+                    *ptr2++ = '\r';
+                    break;
+                case 't':
+                    *ptr2++ = '\t';
+                    break;
+                case 'u':
+                    /* transcode utf16 to utf8. See RFC2781 and RFC3629. */
+                    uc = parse_hex4(ptr + 1); /* get the unicode char. */
+                    ptr += 4;
+                    if (ptr >= end_ptr)
+                    {
+                        /* invalid */
+                        *ep = str;
+                        return 0;
+                    }
+                    /* check for invalid. */
+                    if (((uc >= 0xDC00) && (uc <= 0xDFFF)) || (uc == 0))
+                    {
+                        *ep = str;
+                        return 0;
+                    }
+
+                    /* UTF16 surrogate pairs. */
+                    if ((uc >= 0xD800) && (uc<=0xDBFF))
+                    {
+                        if ((ptr + 6) > end_ptr)
+                        {
+                            /* invalid */
+                            *ep = str;
+                            return 0;
+                        }
+                        if ((ptr[1] != '\\') || (ptr[2] != 'u'))
+                        {
+                            /* missing second-half of surrogate. */
+                            *ep = str;
+                            return 0;
+                        }
+                        uc2 = parse_hex4(ptr + 3);
+                        ptr += 6; /* \uXXXX */
+                        if ((uc2 < 0xDC00) || (uc2 > 0xDFFF))
+                        {
+                            /* invalid second-half of surrogate. */
+                            *ep = str;
+                            return 0;
+                        }
+                        /* calculate unicode codepoint from the surrogate pair */
+                        uc = 0x10000 + (((uc & 0x3FF) << 10) | (uc2 & 0x3FF));
+                    }
+
+                    /* encode as UTF8
+                     * takes at maximum 4 bytes to encode:
+                     * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
+                    len = 4;
+                    if (uc < 0x80)
+                    {
+                        /* normal ascii, encoding 0xxxxxxx */
+                        len = 1;
+                    }
+                    else if (uc < 0x800)
+                    {
+                        /* two bytes, encoding 110xxxxx 10xxxxxx */
+                        len = 2;
+                    }
+                    else if (uc < 0x10000)
+                    {
+                        /* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */
+                        len = 3;
+                    }
+                    ptr2 += len;
+
+                    switch (len) {
+                        case 4:
+                            /* 10xxxxxx */
+                            *--ptr2 = ((uc | 0x80) & 0xBF);
+                            uc >>= 6;
+                        case 3:
+                            /* 10xxxxxx */
+                            *--ptr2 = ((uc | 0x80) & 0xBF);
+                            uc >>= 6;
+                        case 2:
+                            /* 10xxxxxx */
+                            *--ptr2 = ((uc | 0x80) & 0xBF);
+                            uc >>= 6;
+                        case 1:
+                            /* depending on the length in bytes this determines the
+                             * encoding ofthe first UTF8 byte */
+                            *--ptr2 = (uc | firstByteMark[len]);
+                    }
+                    ptr2 += len;
+                    break;
+                default:
+                    *ptr2++ = *ptr;
+                    break;
+            }
+            ptr++;
+        }
+    }
+    *ptr2 = '\0';
+    if (*ptr == '\"')
+    {
+        ptr++;
+    }
+
+    return ptr;
 }
 
 /* Render the cstring provided to an escaped version that can be printed. */
-static char *print_string_ptr(const char *str,printbuffer *p)
-{
-	const char *ptr;char *ptr2,*out;int len=0,flag=0;unsigned char token;
-
-	if (!str)
-	{
-		if (p)	out=ensure(p,3);
-		else	out=(char*)cJSON_malloc(3);
-		if (!out) return 0;
-		strcpy(out,"\"\"");
-		return out;
-	}
-	
-	for (ptr=str;*ptr;ptr++) flag|=((*ptr>0 && *ptr<32)||(*ptr=='\"')||(*ptr=='\\'))?1:0;
-	if (!flag)
-	{
-		len=ptr-str;
-		if (p) out=ensure(p,len+3);
-		else		out=(char*)cJSON_malloc(len+3);
-		if (!out) return 0;
-		ptr2=out;*ptr2++='\"';
-		strcpy(ptr2,str);
-		ptr2[len]='\"';
-		ptr2[len+1]=0;
-		return out;
-	}
-	
-	ptr=str;while ((token=*ptr) && ++len) {if (strchr("\"\\\b\f\n\r\t",token)) len++; else if (token<32) len+=5;ptr++;}
-	
-	if (p)	out=ensure(p,len+3);
-	else	out=(char*)cJSON_malloc(len+3);
-	if (!out) return 0;
-
-	ptr2=out;ptr=str;
-	*ptr2++='\"';
-	while (*ptr)
-	{
-		if ((unsigned char)*ptr>31 && *ptr!='\"' && *ptr!='\\') *ptr2++=*ptr++;
-		else
-		{
-			*ptr2++='\\';
-			switch (token=*ptr++)
-			{
-				case '\\':	*ptr2++='\\';	break;
-				case '\"':	*ptr2++='\"';	break;
-				case '\b':	*ptr2++='b';	break;
-				case '\f':	*ptr2++='f';	break;
-				case '\n':	*ptr2++='n';	break;
-				case '\r':	*ptr2++='r';	break;
-				case '\t':	*ptr2++='t';	break;
-				default: sprintf(ptr2,"u%04x",token);ptr2+=5;	break;	/* escape and print */
-			}
-		}
-	}
-	*ptr2++='\"';*ptr2++=0;
-	return out;
-}
-/* Invote print_string_ptr (which is useful) on an item. */
-static char *print_string(cJSON *item,printbuffer *p)	{return print_string_ptr(item->valuestring,p);}
+static char *print_string_ptr(const char *str, printbuffer *p)
+{
+    const char *ptr;
+    char *ptr2;
+    char *out;
+    int len = 0;
+    int flag = 0;
+    unsigned char token;
+
+    /* empty string */
+    if (!str)
+    {
+        if (p)
+        {
+            out = ensure(p, 3);
+        }
+        else
+        {
+            out = (char*)cJSON_malloc(3);
+        }
+        if (!out)
+        {
+            return 0;
+        }
+        strcpy(out, "\"\"");
+
+        return out;
+    }
+
+    /* set "flag" to 1 if something needs to be escaped */
+    for (ptr = str; *ptr; ptr++)
+    {
+        flag |= (((*ptr > 0) && (*ptr < 32)) /* unprintable characters */
+                || (*ptr == '\"') /* double quote */
+                || (*ptr == '\\')) /* backslash */
+            ? 1
+            : 0;
+    }
+    /* no characters have to be escaped */
+    if (!flag)
+    {
+        len = ptr - str;
+        if (p)
+        {
+            out = ensure(p, len + 3);
+        }
+        else
+        {
+            out = (char*)cJSON_malloc(len + 3);
+        }
+        if (!out)
+        {
+            return 0;
+        }
+
+        ptr2 = out;
+        *ptr2++ = '\"';
+        strcpy(ptr2, str);
+        ptr2[len] = '\"';
+        ptr2[len + 1] = '\0';
+
+        return out;
+    }
+
+    ptr = str;
+    /* calculate additional space that is needed for escaping */
+    while ((token = *ptr) && ++len)
+    {
+        if (strchr("\"\\\b\f\n\r\t", token))
+        {
+            len++; /* +1 for the backslash */
+        }
+        else if (token < 32)
+        {
+            len += 5; /* +5 for \uXXXX */
+        }
+        ptr++;
+    }
+
+    if (p)
+    {
+        out = ensure(p, len + 3);
+    }
+    else
+    {
+        out = (char*)cJSON_malloc(len + 3);
+    }
+    if (!out)
+    {
+        return 0;
+    }
+
+    ptr2 = out;
+    ptr = str;
+    *ptr2++ = '\"';
+    /* copy the string */
+    while (*ptr)
+    {
+        if (((unsigned char)*ptr > 31) && (*ptr != '\"') && (*ptr != '\\'))
+        {
+            /* normal character, copy */
+            *ptr2++ = *ptr++;
+        }
+        else
+        {
+            /* character needs to be escaped */
+            *ptr2++ = '\\';
+            switch (token = *ptr++)
+            {
+                case '\\':
+                    *ptr2++ = '\\';
+                    break;
+                case '\"':
+                    *ptr2++ = '\"';
+                    break;
+                case '\b':
+                    *ptr2++ = 'b';
+                    break;
+                case '\f':
+                    *ptr2++ = 'f';
+                    break;
+                case '\n':
+                    *ptr2++ = 'n';
+                    break;
+                case '\r':
+                    *ptr2++ = 'r';
+                    break;
+                case '\t':
+                    *ptr2++ = 't';
+                    break;
+                default:
+                    /* escape and print as unicode codepoint */
+                    sprintf(ptr2, "u%04x", token);
+                    ptr2 += 5;
+                    break;
+            }
+        }
+    }
+    *ptr2++ = '\"';
+    *ptr2++ = '\0';
+
+    return out;
+}
+
+/* Invoke print_string_ptr (which is useful) on an item. */
+static char *print_string(cJSON *item, printbuffer *p)
+{
+    return print_string_ptr(item->valuestring, p);
+}
 
 /* Predeclare these prototypes. */
-static const char *parse_value(cJSON *item,const char *value,const char **ep);
-static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p);
-static const char *parse_array(cJSON *item,const char *value,const char **ep);
-static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p);
-static const char *parse_object(cJSON *item,const char *value,const char **ep);
-static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p);
+static const char *parse_value(cJSON *item, const char *value, const char **ep);
+static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p);
+static const char *parse_array(cJSON *item, const char *value, const char **ep);
+static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p);
+static const char *parse_object(cJSON *item, const char *value, const char **ep);
+static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p);
 
 /* Utility to jump whitespace and cr/lf */
-static const char *skip(const char *in) {while (in && *in && (unsigned char)*in<=32) in++; return in;}
+static const char *skip(const char *in)
+{
+    while (in && *in && ((unsigned char)*in<=32))
+    {
+        in++;
+    }
+
+    return in;
+}
 
 /* Parse an object - create a new root, and populate. */
-cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated)
+cJSON *cJSON_ParseWithOpts(const char *value, const char **return_parse_end, int require_null_terminated)
 {
-	const char *end=0,**ep=return_parse_end?return_parse_end:&global_ep;
-	cJSON *c=cJSON_New_Item();
-	*ep=0;
-	if (!c) return 0;       /* memory fail */
+    const char *end = 0;
+    /* use global error pointer if no specific one was given */
+    const char **ep = return_parse_end ? return_parse_end : &global_ep;
+    cJSON *c = cJSON_New_Item();
+    *ep = 0;
+    if (!c) /* memory fail */
+    {
+        return 0;
+    }
+
+    end = parse_value(c, skip(value), ep);
+    if (!end)
+    {
+        /* parse failure. ep is set. */
+        cJSON_Delete(c);
+        return 0;
+    }
 
-	end=parse_value(c,skip(value),ep);
-	if (!end)	{cJSON_Delete(c);return 0;}	/* parse failure. ep is set. */
+    /* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */
+    if (require_null_terminated)
+    {
+        end = skip(end);
+        if (*end)
+        {
+            cJSON_Delete(c);
+            *ep = end;
+            return 0;
+        }
+    }
+    if (return_parse_end)
+    {
+        *return_parse_end = end;
+    }
 
-	/* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */
-	if (require_null_terminated) {end=skip(end);if (*end) {cJSON_Delete(c);*ep=end;return 0;}}
-	if (return_parse_end) *return_parse_end=end;
-	return c;
+    return c;
 }
+
 /* Default options for cJSON_Parse */
-cJSON *cJSON_Parse(const char *value) {return cJSON_ParseWithOpts(value,0,0);}
+cJSON *cJSON_Parse(const char *value)
+{
+    return cJSON_ParseWithOpts(value, 0, 0);
+}
 
 /* Render a cJSON item/entity/structure to text. */
-char *cJSON_Print(cJSON *item)				{return print_value(item,0,1,0);}
-char *cJSON_PrintUnformatted(cJSON *item)	{return print_value(item,0,0,0);}
+char *cJSON_Print(cJSON *item)
+{
+    return print_value(item, 0, 1, 0);
+}
 
-char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt)
+char *cJSON_PrintUnformatted(cJSON *item)
 {
-	printbuffer p;
-	p.buffer=(char*)cJSON_malloc(prebuffer);
-	p.length=prebuffer;
-	p.offset=0;
-	return print_value(item,0,fmt,&p);
+    return print_value(item, 0, 0, 0);
+}
+
+char *cJSON_PrintBuffered(cJSON *item, int prebuffer, int fmt)
+{
+    printbuffer p;
+    p.buffer = (char*)cJSON_malloc(prebuffer);
+    p.length = prebuffer;
+    p.offset = 0;
+
+    return print_value(item, 0, fmt, &p);
 }
 
 
 /* Parser core - when encountering text, process appropriately. */
-static const char *parse_value(cJSON *item,const char *value,const char **ep)
+static const char *parse_value(cJSON *item, const char *value, const char **ep)
 {
-	if (!value)						return 0;	/* Fail on null. */
-	if (!strncmp(value,"null",4))	{ item->type=cJSON_NULL;  return value+4; }
-	if (!strncmp(value,"false",5))	{ item->type=cJSON_False; return value+5; }
-	if (!strncmp(value,"true",4))	{ item->type=cJSON_True; item->valueint=1;	return value+4; }
-	if (*value=='\"')				{ return parse_string(item,value,ep); }
-	if (*value=='-' || (*value>='0' && *value<='9'))	{ return parse_number(item,value); }
-	if (*value=='[')				{ return parse_array(item,value,ep); }
-	if (*value=='{')				{ return parse_object(item,value,ep); }
+    if (!value)
+    {
+        /* Fail on null. */
+        return 0;
+    }
 
-	*ep=value;return 0;	/* failure. */
+    /* parse the different types of values */
+    if (!strncmp(value, "null", 4))
+    {
+        item->type = cJSON_NULL;
+        return value + 4;
+    }
+    if (!strncmp(value, "false", 5))
+    {
+        item->type = cJSON_False;
+        return value + 5;
+    }
+    if (!strncmp(value, "true", 4))
+    {
+        item->type = cJSON_True;
+        item->valueint = 1;
+        return value + 4;
+    }
+    if (*value == '\"')
+    {
+        return parse_string(item, value, ep);
+    }
+    if ((*value == '-') || ((*value >= '0') && (*value <= '9')))
+    {
+        return parse_number(item, value);
+    }
+    if (*value == '[')
+    {
+        return parse_array(item, value, ep);
+    }
+    if (*value == '{')
+    {
+        return parse_object(item, value, ep);
+    }
+
+    *ep=value;return 0;	/* failure. */
 }
 
 /* Render a value to text. */
-static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p)
-{
-	char *out=0;
-	if (!item) return 0;
-	if (p)
-	{
-		switch ((item->type)&255)
-		{
-			case cJSON_NULL:	{out=ensure(p,5);	if (out) strcpy(out,"null");	break;}
-			case cJSON_False:	{out=ensure(p,6);	if (out) strcpy(out,"false");	break;}
-			case cJSON_True:	{out=ensure(p,5);	if (out) strcpy(out,"true");	break;}
-			case cJSON_Number:	out=print_number(item,p);break;
-			case cJSON_String:	out=print_string(item,p);break;
-			case cJSON_Array:	out=print_array(item,depth,fmt,p);break;
-			case cJSON_Object:	out=print_object(item,depth,fmt,p);break;
-		}
-	}
-	else
-	{
-		switch ((item->type)&255)
-		{
-			case cJSON_NULL:	out=cJSON_strdup("null");	break;
-			case cJSON_False:	out=cJSON_strdup("false");break;
-			case cJSON_True:	out=cJSON_strdup("true"); break;
-			case cJSON_Number:	out=print_number(item,0);break;
-			case cJSON_String:	out=print_string(item,0);break;
-			case cJSON_Array:	out=print_array(item,depth,fmt,0);break;
-			case cJSON_Object:	out=print_object(item,depth,fmt,0);break;
-		}
-	}
-	return out;
+static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p)
+{
+    char *out = 0;
+
+    if (!item)
+    {
+        return 0;
+    }
+    if (p)
+    {
+        switch ((item->type) & 0xFF)
+        {
+            case cJSON_NULL:
+                out = ensure(p, 5);
+                if (out)
+                {
+                    strcpy(out, "null");
+                }
+                break;
+            case cJSON_False:
+                out = ensure(p, 6);
+                if (out)
+                {
+                    strcpy(out, "false");
+                }
+                break;
+            case cJSON_True:
+                out = ensure(p, 5);
+                if (out)
+                {
+                    strcpy(out, "true");
+                }
+                break;
+            case cJSON_Number:
+                out = print_number(item, p);
+                break;
+            case cJSON_String:
+                out = print_string(item, p);
+                break;
+            case cJSON_Array:
+                out = print_array(item, depth, fmt, p);
+                break;
+            case cJSON_Object:
+                out = print_object(item, depth, fmt, p);
+                break;
+        }
+    }
+    else
+    {
+        switch ((item->type) & 0xFF)
+        {
+            case cJSON_NULL:
+                out = cJSON_strdup("null");
+                break;
+            case cJSON_False:
+                out = cJSON_strdup("false");
+                break;
+            case cJSON_True:
+                out = cJSON_strdup("true");
+                break;
+            case cJSON_Number:
+                out = print_number(item, 0);
+                break;
+            case cJSON_String:
+                out = print_string(item, 0);
+                break;
+            case cJSON_Array:
+                out = print_array(item, depth, fmt, 0);
+                break;
+            case cJSON_Object:
+                out = print_object(item, depth, fmt, 0);
+                break;
+        }
+    }
+
+    return out;
 }
 
 /* Build an array from input text. */
 static const char *parse_array(cJSON *item,const char *value,const char **ep)
 {
-	cJSON *child;
-	if (*value!='[')	{*ep=value;return 0;}	/* not an array! */
+    cJSON *child;
+    if (*value != '[')
+    {
+        /* not an array! */
+        *ep = value;
+        return 0;
+    }
+
+    item->type = cJSON_Array;
+    value = skip(value + 1);
+    if (*value == ']')
+    {
+        /* empty array. */
+        return value + 1;
+    }
+
+    item->child = child = cJSON_New_Item();
+    if (!item->child)
+    {
+        /* memory fail */
+        return 0;
+    }
+    /* skip any spacing, get the value. */
+    value = skip(parse_value(child, skip(value), ep));
+    if (!value)
+    {
+        return 0;
+    }
 
-	item->type=cJSON_Array;
-	value=skip(value+1);
-	if (*value==']') return value+1;	/* empty array. */
+    /* loop through the comma separated array elements */
+    while (*value == ',')
+    {
+        cJSON *new_item;
+        if (!(new_item = cJSON_New_Item()))
+        {
+            /* memory fail */
+            return 0;
+        }
+        /* add new item to end of the linked list */
+        child->next = new_item;
+        new_item->prev = child;
+        child = new_item;
+
+        /* go to the next comma */
+        value = skip(parse_value(child, skip(value + 1), ep));
+        if (!value)
+        {
+            /* memory fail */
+            return 0;
+        }
+    }
 
-	item->child=child=cJSON_New_Item();
-	if (!item->child) return 0;		 /* memory fail */
-	value=skip(parse_value(child,skip(value),ep));	/* skip any spacing, get the value. */
-	if (!value) return 0;
+    if (*value == ']')
+    {
+        /* end of array */
+        return value + 1;
+    }
 
-	while (*value==',')
-	{
-		cJSON *new_item;
-		if (!(new_item=cJSON_New_Item())) return 0; 	/* memory fail */
-		child->next=new_item;new_item->prev=child;child=new_item;
-		value=skip(parse_value(child,skip(value+1),ep));
-		if (!value) return 0;	/* memory fail */
-	}
+    /* malformed. */
+    *ep = value;
 
-	if (*value==']') return value+1;	/* end of array */
-	*ep=value;return 0;	/* malformed. */
+    return 0;
 }
 
 /* Render an array to text */
-static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p)
-{
-	char **entries;
-	char *out=0,*ptr,*ret;int len=5;
-	cJSON *child=item->child;
-	int numentries=0,i=0,fail=0;
-	size_t tmplen=0;
-	
-	/* How many entries in the array? */
-	while (child) numentries++,child=child->next;
-	/* Explicitly handle numentries==0 */
-	if (!numentries)
-	{
-		if (p)	out=ensure(p,3);
-		else	out=(char*)cJSON_malloc(3);
-		if (out) strcpy(out,"[]");
-		return out;
-	}
-
-	if (p)
-	{
-		/* Compose the output array. */
-		i=p->offset;
-		ptr=ensure(p,1);if (!ptr) return 0;	*ptr='[';	p->offset++;
-		child=item->child;
-		while (child && !fail)
-		{
-			print_value(child,depth+1,fmt,p);
-			p->offset=update(p);
-			if (child->next) {len=fmt?2:1;ptr=ensure(p,len+1);if (!ptr) return 0;*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;p->offset+=len;}
-			child=child->next;
-		}
-		ptr=ensure(p,2);if (!ptr) return 0;	*ptr++=']';*ptr=0;
-		out=(p->buffer)+i;
-	}
-	else
-	{
-		/* Allocate an array to hold the values for each */
-		entries=(char**)cJSON_malloc(numentries*sizeof(char*));
-		if (!entries) return 0;
-		memset(entries,0,numentries*sizeof(char*));
-		/* Retrieve all the results: */
-		child=item->child;
-		while (child && !fail)
-		{
-			ret=print_value(child,depth+1,fmt,0);
-			entries[i++]=ret;
-			if (ret) len+=strlen(ret)+2+(fmt?1:0); else fail=1;
-			child=child->next;
-		}
-		
-		/* If we didn't fail, try to malloc the output string */
-		if (!fail)	out=(char*)cJSON_malloc(len);
-		/* If that fails, we fail. */
-		if (!out) fail=1;
-
-		/* Handle failure. */
-		if (fail)
-		{
-			for (i=0;i<numentries;i++) if (entries[i]) cJSON_free(entries[i]);
-			cJSON_free(entries);
-			return 0;
-		}
-		
-		/* Compose the output array. */
-		*out='[';
-		ptr=out+1;*ptr=0;
-		for (i=0;i<numentries;i++)
-		{
-			tmplen=strlen(entries[i]);memcpy(ptr,entries[i],tmplen);ptr+=tmplen;
-			if (i!=numentries-1) {*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;}
-			cJSON_free(entries[i]);
-		}
-		cJSON_free(entries);
-		*ptr++=']';*ptr++=0;
-	}
-	return out;	
+static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p)
+{
+    char **entries;
+    char *out = 0;
+    char *ptr;
+    char *ret;
+    int len = 5;
+    cJSON *child = item->child;
+    int numentries = 0;
+    int i = 0;
+    int fail = 0;
+    size_t tmplen = 0;
+
+    /* How many entries in the array? */
+    while (child)
+    {
+        numentries++;
+        child = child->next;
+    }
+
+    /* Explicitly handle numentries == 0 */
+    if (!numentries)
+    {
+        if (p)
+        {
+            out = ensure(p, 3);
+        }
+        else
+        {
+            out = (char*)cJSON_malloc(3);
+        }
+        if (out)
+        {
+            strcpy(out,"[]");
+        }
+
+        return out;
+    }
+
+    if (p)
+    {
+        /* Compose the output array. */
+        /* opening square bracket */
+        i = p->offset;
+        ptr = ensure(p, 1);
+        if (!ptr)
+        {
+            return 0;
+        }
+        *ptr = '[';
+        p->offset++;
+
+        child = item->child;
+        while (child && !fail)
+        {
+            print_value(child, depth + 1, fmt, p);
+            p->offset = update(p);
+            if (child->next)
+            {
+                len = fmt ? 2 : 1;
+                ptr = ensure(p, len + 1);
+                if (!ptr)
+                {
+                    return 0;
+                }
+                *ptr++ = ',';
+                if(fmt)
+                {
+                    *ptr++ = ' ';
+                }
+                *ptr = 0;
+                p->offset += len;
+            }
+            child = child->next;
+        }
+        ptr = ensure(p, 2);
+        if (!ptr)
+        {
+            return 0;
+        }
+        *ptr++ = ']';
+        *ptr = '\0';
+        out = (p->buffer) + i;
+    }
+    else
+    {
+        /* Allocate an array to hold the pointers to all printed values */
+        entries = (char**)cJSON_malloc(numentries * sizeof(char*));
+        if (!entries)
+        {
+            return 0;
+        }
+        memset(entries, 0, numentries * sizeof(char*));
+
+        /* Retrieve all the results: */
+        child = item->child;
+        while (child && !fail)
+        {
+            ret = print_value(child, depth + 1, fmt, 0);
+            entries[i++] = ret;
+            if (ret)
+            {
+                len += strlen(ret) + 2 + (fmt ? 1 : 0);
+            }
+            else
+            {
+                fail = 1;
+            }
+            child = child->next;
+        }
+
+        /* If we didn't fail, try to malloc the output string */
+        if (!fail)
+        {
+            out = (char*)cJSON_malloc(len);
+        }
+        /* If that fails, we fail. */
+        if (!out)
+        {
+            fail = 1;
+        }
+
+        /* Handle failure. */
+        if (fail)
+        {
+            /* free all the entries in the array */
+            for (i = 0; i < numentries; i++)
+            {
+                if (entries[i])
+                {
+                    cJSON_free(entries[i]);
+                }
+            }
+            cJSON_free(entries);
+            return 0;
+        }
+
+        /* Compose the output array. */
+        *out='[';
+        ptr = out + 1;
+        *ptr = '\0';
+        for (i = 0; i < numentries; i++)
+        {
+            tmplen = strlen(entries[i]);
+            memcpy(ptr, entries[i], tmplen);
+            ptr += tmplen;
+            if (i != (numentries - 1))
+            {
+                *ptr++ = ',';
+                if(fmt)
+                {
+                    *ptr++ = ' ';
+                }
+                *ptr = 0;
+            }
+            cJSON_free(entries[i]);
+        }
+        cJSON_free(entries);
+        *ptr++ = ']';
+        *ptr++ = '\0';
+    }
+
+    return out;
 }
 
 /* Build an object from the text. */
-static const char *parse_object(cJSON *item,const char *value,const char **ep)
-{
-	cJSON *child;
-	if (*value!='{')	{*ep=value;return 0;}	/* not an object! */
-	
-	item->type=cJSON_Object;
-	value=skip(value+1);
-	if (*value=='}') return value+1;	/* empty array. */
-	
-	item->child=child=cJSON_New_Item();
-	if (!item->child) return 0;
-	value=skip(parse_string(child,skip(value),ep));
-	if (!value) return 0;
-	child->string=child->valuestring;child->valuestring=0;
-	if (*value!=':') {*ep=value;return 0;}	/* fail! */
-	value=skip(parse_value(child,skip(value+1),ep));	/* skip any spacing, get the value. */
-	if (!value) return 0;
-	
-	while (*value==',')
-	{
-		cJSON *new_item;
-		if (!(new_item=cJSON_New_Item()))	return 0; /* memory fail */
-		child->next=new_item;new_item->prev=child;child=new_item;
-		value=skip(parse_string(child,skip(value+1),ep));
-		if (!value) return 0;
-		child->string=child->valuestring;child->valuestring=0;
-		if (*value!=':') {*ep=value;return 0;}	/* fail! */
-		value=skip(parse_value(child,skip(value+1),ep));	/* skip any spacing, get the value. */
-		if (!value) return 0;
-	}
-	
-	if (*value=='}') return value+1;	/* end of array */
-	*ep=value;return 0;	/* malformed. */
+static const char *parse_object(cJSON *item, const char *value, const char **ep)
+{
+    cJSON *child;
+    if (*value != '{')
+    {
+        /* not an object! */
+        *ep = value;
+        return 0;
+    }
+
+    item->type = cJSON_Object;
+    value = skip(value + 1);
+    if (*value == '}')
+    {
+        /* empty object. */
+        return value + 1;
+    }
+
+    child = cJSON_New_Item();
+    item->child = child;
+    if (!item->child)
+    {
+        return 0;
+    }
+    /* parse first key */
+    value = skip(parse_string(child, skip(value), ep));
+    if (!value)
+    {
+        return 0;
+    }
+    /* use string as key, not value */
+    child->string = child->valuestring;
+    child->valuestring = 0;
+
+    if (*value != ':')
+    {
+        /* invalid object. */
+        *ep = value;
+        return 0;
+    }
+    /* skip any spacing, get the value. */
+    value = skip(parse_value(child, skip(value + 1), ep));
+    if (!value)
+    {
+        return 0;
+    }
+
+    while (*value == ',')
+    {
+        cJSON *new_item;
+        if (!(new_item = cJSON_New_Item()))
+        {
+            /* memory fail */
+            return 0;
+        }
+        /* add to linked list */
+        child->next = new_item;
+        new_item->prev = child;
+
+        child = new_item;
+        value = skip(parse_string(child, skip(value + 1), ep));
+        if (!value)
+        {
+            return 0;
+        }
+
+        /* use string as key, not value */
+        child->string = child->valuestring;
+        child->valuestring = 0;
+
+        if (*value != ':')
+        {
+            /* invalid object. */
+            *ep = value;
+            return 0;
+        }
+        /* skip any spacing, get the value. */
+        value = skip(parse_value(child, skip(value + 1), ep));
+        if (!value)
+        {
+            return 0;
+        }
+    }
+    /* end of object */
+    if (*value == '}')
+    {
+        return value + 1;
+    }
+
+    /* malformed */
+    *ep = value;
+    return 0;
 }
 
 /* Render an object to text. */
-static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p)
-{
-	char **entries=0,**names=0;
-	char *out=0,*ptr,*ret,*str;int len=7,i=0,j;
-	cJSON *child=item->child;
-	int numentries=0,fail=0;
-	size_t tmplen=0;
-	/* Count the number of entries. */
-	while (child) numentries++,child=child->next;
-	/* Explicitly handle empty object case */
-	if (!numentries)
-	{
-		if (p) out=ensure(p,fmt?depth+4:3);
-		else	out=(char*)cJSON_malloc(fmt?depth+4:3);
-		if (!out)	return 0;
-		ptr=out;*ptr++='{';
-		if (fmt) {*ptr++='\n';for (i=0;i<depth;i++) *ptr++='\t';}
-		*ptr++='}';*ptr++=0;
-		return out;
-	}
-	if (p)
-	{
-		/* Compose the output: */
-		i=p->offset;
-		len=fmt?2:1;	ptr=ensure(p,len+1);	if (!ptr) return 0;
-		*ptr++='{';	if (fmt) *ptr++='\n';	*ptr=0;	p->offset+=len;
-		child=item->child;depth++;
-		while (child)
-		{
-			if (fmt)
-			{
-				ptr=ensure(p,depth);	if (!ptr) return 0;
-				for (j=0;j<depth;j++) *ptr++='\t';
-				p->offset+=depth;
-			}
-			print_string_ptr(child->string,p);
-			p->offset=update(p);
-			
-			len=fmt?2:1;
-			ptr=ensure(p,len);	if (!ptr) return 0;
-			*ptr++=':';if (fmt) *ptr++='\t';
-			p->offset+=len;
-			
-			print_value(child,depth,fmt,p);
-			p->offset=update(p);
-
-			len=(fmt?1:0)+(child->next?1:0);
-			ptr=ensure(p,len+1); if (!ptr) return 0;
-			if (child->next) *ptr++=',';
-			if (fmt) *ptr++='\n';*ptr=0;
-			p->offset+=len;
-			child=child->next;
-		}
-		ptr=ensure(p,fmt?(depth+1):2);	 if (!ptr) return 0;
-		if (fmt)	for (i=0;i<depth-1;i++) *ptr++='\t';
-		*ptr++='}';*ptr=0;
-		out=(p->buffer)+i;
-	}
-	else
-	{
-		/* Allocate space for the names and the objects */
-		entries=(char**)cJSON_malloc(numentries*sizeof(char*));
-		if (!entries) return 0;
-		names=(char**)cJSON_malloc(numentries*sizeof(char*));
-		if (!names) {cJSON_free(entries);return 0;}
-		memset(entries,0,sizeof(char*)*numentries);
-		memset(names,0,sizeof(char*)*numentries);
-
-		/* Collect all the results into our arrays: */
-		child=item->child;depth++;if (fmt) len+=depth;
-		while (child && !fail)
-		{
-			names[i]=str=print_string_ptr(child->string,0);
-			entries[i++]=ret=print_value(child,depth,fmt,0);
-			if (str && ret) len+=strlen(ret)+strlen(str)+2+(fmt?2+depth:0); else fail=1;
-			child=child->next;
-		}
-		
-		/* Try to allocate the output string */
-		if (!fail)	out=(char*)cJSON_malloc(len);
-		if (!out) fail=1;
-
-		/* Handle failure */
-		if (fail)
-		{
-			for (i=0;i<numentries;i++) {if (names[i]) cJSON_free(names[i]);if (entries[i]) cJSON_free(entries[i]);}
-			cJSON_free(names);cJSON_free(entries);
-			return 0;
-		}
-		
-		/* Compose the output: */
-		*out='{';ptr=out+1;if (fmt)*ptr++='\n';*ptr=0;
-		for (i=0;i<numentries;i++)
-		{
-			if (fmt) for (j=0;j<depth;j++) *ptr++='\t';
-			tmplen=strlen(names[i]);memcpy(ptr,names[i],tmplen);ptr+=tmplen;
-			*ptr++=':';if (fmt) *ptr++='\t';
-			strcpy(ptr,entries[i]);ptr+=strlen(entries[i]);
-			if (i!=numentries-1) *ptr++=',';
-			if (fmt) *ptr++='\n';*ptr=0;
-			cJSON_free(names[i]);cJSON_free(entries[i]);
-		}
-		
-		cJSON_free(names);cJSON_free(entries);
-		if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t';
-		*ptr++='}';*ptr++=0;
-	}
-	return out;	
+static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p)
+{
+    char **entries = 0;
+    char **names = 0;
+    char *out = 0;
+    char *ptr;
+    char *ret;
+    char *str;
+    int len = 7;
+    int i = 0;
+    int j;
+    cJSON *child = item->child;
+    int numentries = 0;
+    int fail = 0;
+    size_t tmplen = 0;
+
+    /* Count the number of entries. */
+    while (child)
+    {
+        numentries++;
+        child = child->next;
+    }
+
+    /* Explicitly handle empty object case */
+    if (!numentries)
+    {
+        if (p)
+        {
+            out = ensure(p, fmt ? depth + 4 : 3);
+        }
+        else
+        {
+            out = (char*)cJSON_malloc(fmt ? depth + 4 : 3);
+        }
+        if (!out)
+        {
+            return 0;
+        }
+        ptr = out;
+        *ptr++ = '{';
+        if (fmt) {
+            *ptr++ = '\n';
+            for (i = 0; i < depth; i++)
+            {
+                *ptr++ = '\t';
+            }
+        }
+        *ptr++ = '}';
+        *ptr++ = '\0';
+
+        return out;
+    }
+
+    if (p)
+    {
+        /* Compose the output: */
+        i = p->offset;
+        len = fmt ? 2 : 1; /* fmt: {\n */
+        ptr = ensure(p, len + 1);
+        if (!ptr)
+        {
+            return 0;
+        }
+
+        *ptr++ = '{';
+        if (fmt)
+        {
+            *ptr++ = '\n';
+        }
+        *ptr = '\0';
+        p->offset += len;
+
+        child = item->child;
+        depth++;
+        while (child)
+        {
+            if (fmt)
+            {
+                ptr = ensure(p, depth);
+                if (!ptr)
+                {
+                    return 0;
+                }
+                for (j = 0; j < depth; j++)
+                {
+                    *ptr++ = '\t';
+                }
+                p->offset += depth;
+            }
+
+            /* print key */
+            print_string_ptr(child->string, p);
+            p->offset = update(p);
+
+            len = fmt ? 2 : 1;
+            ptr = ensure(p, len);
+            if (!ptr)
+            {
+                return 0;
+            }
+            *ptr++ = ':';
+            if (fmt)
+            {
+                *ptr++ = '\t';
+            }
+            p->offset+=len;
+
+            /* print value */
+            print_value(child, depth, fmt, p);
+            p->offset = update(p);
+
+            /* print comma if not last */
+            len = (fmt ? 1 : 0) + (child->next ? 1 : 0);
+            ptr = ensure(p, len + 1);
+            if (!ptr)
+            {
+                return 0;
+            }
+            if (child->next)
+            {
+                *ptr++ = ',';
+            }
+
+            if (fmt)
+            {
+                *ptr++ = '\n';
+            }
+            *ptr = '\0';
+            p->offset += len;
+
+            child = child->next;
+        }
+
+        ptr = ensure(p, fmt ? (depth + 1) : 2);
+        if (!ptr)
+        {
+            return 0;
+        }
+        if (fmt)
+        {
+            for (i = 0; i < (depth - 1); i++)
+            {
+                *ptr++ = '\t';
+            }
+        }
+        *ptr++ = '}';
+        *ptr = '\0';
+        out = (p->buffer) + i;
+    }
+    else
+    {
+        /* Allocate space for the names and the objects */
+        entries = (char**)cJSON_malloc(numentries * sizeof(char*));
+        if (!entries)
+        {
+            return 0;
+        }
+        names = (char**)cJSON_malloc(numentries * sizeof(char*));
+        if (!names)
+        {
+            cJSON_free(entries);
+            return 0;
+        }
+        memset(entries,0, sizeof(char*) * numentries);
+        memset(names, 0, sizeof(char*) * numentries);
+
+        /* Collect all the results into our arrays: */
+        child = item->child;
+        depth++;
+        if (fmt)
+        {
+            len += depth;
+        }
+        while (child && !fail)
+        {
+            names[i] = str = print_string_ptr(child->string, 0); /* print key */
+            entries[i++] = ret = print_value(child, depth, fmt, 0);
+            if (str && ret)
+            {
+                len += strlen(ret) + strlen(str) + 2 + (fmt ? 2 + depth : 0);
+            }
+            else
+            {
+                fail = 1;
+            }
+            child = child->next;
+        }
+
+        /* Try to allocate the output string */
+        if (!fail)
+        {
+            out = (char*)cJSON_malloc(len);
+        }
+        if (!out)
+        {
+            fail = 1;
+        }
+
+        /* Handle failure */
+        if (fail)
+        {
+            /* free all the printed keys and values */
+            for (i = 0; i < numentries; i++)
+            {
+                if (names[i])
+                {
+                    cJSON_free(names[i]);
+                }
+                if (entries[i])
+                {
+                    cJSON_free(entries[i]);
+                }
+            }
+            cJSON_free(names);
+            cJSON_free(entries);
+            return 0;
+        }
+
+        /* Compose the output: */
+        *out = '{';
+        ptr = out + 1;
+        if (fmt)
+        {
+            *ptr++ = '\n';
+        }
+        *ptr = 0;
+        for (i = 0; i < numentries; i++)
+        {
+            if (fmt)
+            {
+                for (j = 0; j < depth; j++)
+                {
+                    *ptr++='\t';
+                }
+            }
+            tmplen = strlen(names[i]);
+            memcpy(ptr, names[i], tmplen);
+            ptr += tmplen;
+            *ptr++ = ':';
+            if (fmt)
+            {
+                *ptr++ = '\t';
+            }
+            strcpy(ptr, entries[i]);
+            ptr += strlen(entries[i]);
+            if (i != (numentries - 1))
+            {
+                *ptr++ = ',';
+            }
+            if (fmt)
+            {
+                *ptr++ = '\n';
+            }
+            *ptr = 0;
+            cJSON_free(names[i]);
+            cJSON_free(entries[i]);
+        }
+
+        cJSON_free(names);
+        cJSON_free(entries);
+        if (fmt)
+        {
+            for (i = 0; i < (depth - 1); i++)
+            {
+                *ptr++ = '\t';
+            }
+        }
+        *ptr++ = '}';
+        *ptr++ = '\0';
+    }
+
+    return out;
 }
 
 /* Get Array size/item / object item. */
-int    cJSON_GetArraySize(cJSON *array)							{cJSON *c=array->child;int i=0;while(c)i++,c=c->next;return i;}
-cJSON *cJSON_GetArrayItem(cJSON *array,int item)				{cJSON *c=array?array->child:0;while (c && item>0) item--,c=c->next; return c;}
-cJSON *cJSON_GetObjectItem(cJSON *object,const char *string)	{cJSON *c=object?object->child:0;while (c && cJSON_strcasecmp(c->string,string)) c=c->next; return c;}
-int cJSON_HasObjectItem(cJSON *object,const char *string)		{return cJSON_GetObjectItem(object,string)?1:0;}
+int    cJSON_GetArraySize(cJSON *array)
+{
+    cJSON *c = array->child;
+    int i = 0;
+    while(c)
+    {
+        i++;
+        c = c->next;
+    }
+    return i;
+}
+
+cJSON *cJSON_GetArrayItem(cJSON *array, int item)
+{
+    cJSON *c = array ? array->child : 0;
+    while (c && item > 0)
+    {
+        item--;
+        c = c->next;
+    }
+
+    return c;
+}
+
+cJSON *cJSON_GetObjectItem(cJSON *object, const char *string)
+{
+    cJSON *c = object ? object->child : 0;
+    while (c && cJSON_strcasecmp(c->string, string))
+    {
+        c = c->next;
+    }
+    return c;
+}
+
+int cJSON_HasObjectItem(cJSON *object,const char *string)
+{
+    return cJSON_GetObjectItem(object, string) ? 1 : 0;
+}
 
 /* Utility for array list handling. */
-static void suffix_object(cJSON *prev,cJSON *item) {prev->next=item;item->prev=prev;}
+static void suffix_object(cJSON *prev, cJSON *item)
+{
+    prev->next = item;
+    item->prev = prev;
+}
+
 /* Utility for handling references. */
-static cJSON *create_reference(cJSON *item) {cJSON *ref=cJSON_New_Item();if (!ref) return 0;memcpy(ref,item,sizeof(cJSON));ref->string=0;ref->type|=cJSON_IsReference;ref->next=ref->prev=0;return ref;}
+static cJSON *create_reference(cJSON *item)
+{
+    cJSON *ref = cJSON_New_Item();
+    if (!ref)
+    {
+        return 0;
+    }
+    memcpy(ref, item, sizeof(cJSON));
+    ref->string = 0;
+    ref->type |= cJSON_IsReference;
+    ref->next = ref->prev = 0;
+    return ref;
+}
 
 /* Add item to array/object. */
-void   cJSON_AddItemToArray(cJSON *array, cJSON *item)						{cJSON *c=array->child;if (!item) return; if (!c) {array->child=item;} else {while (c && c->next) c=c->next; suffix_object(c,item);}}
-void   cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item)	{if (!item) return; if (item->string) cJSON_free(item->string);item->string=cJSON_strdup(string);cJSON_AddItemToArray(object,item);}
-void   cJSON_AddItemToObjectCS(cJSON *object,const char *string,cJSON *item)	{if (!item) return; if (!(item->type&cJSON_StringIsConst) && item->string) cJSON_free(item->string);item->string=(char*)string;item->type|=cJSON_StringIsConst;cJSON_AddItemToArray(object,item);}
-void	cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item)						{cJSON_AddItemToArray(array,create_reference(item));}
-void	cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item)	{cJSON_AddItemToObject(object,string,create_reference(item));}
-
-cJSON *cJSON_DetachItemFromArray(cJSON *array,int which)			{cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return 0;
-	if (c->prev) c->prev->next=c->next;if (c->next) c->next->prev=c->prev;if (c==array->child) array->child=c->next;c->prev=c->next=0;return c;}
-void   cJSON_DeleteItemFromArray(cJSON *array,int which)			{cJSON_Delete(cJSON_DetachItemFromArray(array,which));}
-cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string) {int i=0;cJSON *c=object->child;while (c && cJSON_strcasecmp(c->string,string)) i++,c=c->next;if (c) return cJSON_DetachItemFromArray(object,i);return 0;}
-void   cJSON_DeleteItemFromObject(cJSON *object,const char *string) {cJSON_Delete(cJSON_DetachItemFromObject(object,string));}
+void   cJSON_AddItemToArray(cJSON *array, cJSON *item)
+{
+    cJSON *c = array->child;
+    if (!item)
+    {
+        return;
+    }
+    if (!c)
+    {
+        /* list is empty, start new one */
+        array->child = item;
+    }
+    else
+    {
+        /* append to the end */
+        while (c && c->next)
+        {
+            c = c->next;
+        }
+        suffix_object(c, item);
+    }
+}
+
+void   cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item)
+{
+    if (!item)
+    {
+        return;
+    }
+
+    /* free old key and set new one */
+    if (item->string)
+    {
+        cJSON_free(item->string);
+    }
+    item->string = cJSON_strdup(string);
+
+    cJSON_AddItemToArray(object,item);
+}
+
+/* Add an item to an object with constant string as key */
+void   cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item)
+{
+    if (!item)
+    {
+        return;
+    }
+    if (!(item->type & cJSON_StringIsConst) && item->string)
+    {
+        cJSON_free(item->string);
+    }
+    item->string = (char*)string;
+    item->type |= cJSON_StringIsConst;
+    cJSON_AddItemToArray(object, item);
+}
+
+void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item)
+{
+    cJSON_AddItemToArray(array, create_reference(item));
+}
+
+void cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item)
+{
+    cJSON_AddItemToObject(object, string, create_reference(item));
+}
+
+cJSON *cJSON_DetachItemFromArray(cJSON *array, int which)
+{
+    cJSON *c = array->child;
+    while (c && (which > 0))
+    {
+        c = c->next;
+        which--;
+    }
+    if (!c)
+    {
+        /* item doesn't exist */
+        return 0;
+    }
+	if (c->prev)
+    {
+        /* not the first element */
+        c->prev->next = c->next;
+    }
+    if (c->next)
+    {
+        c->next->prev = c->prev;
+    }
+    if (c==array->child)
+    {
+        array->child = c->next;
+    }
+    /* make sure the detached item doesn't point anywhere anymore */
+    c->prev = c->next = 0;
+
+    return c;
+}
+
+void cJSON_DeleteItemFromArray(cJSON *array, int which)
+{
+    cJSON_Delete(cJSON_DetachItemFromArray(array, which));
+}
+
+cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string)
+{
+    int i = 0;
+    cJSON *c = object->child;
+    while (c && cJSON_strcasecmp(c->string,string))
+    {
+        i++;
+        c = c->next;
+    }
+    if (c)
+    {
+        return cJSON_DetachItemFromArray(object, i);
+    }
+
+    return 0;
+}
+
+void cJSON_DeleteItemFromObject(cJSON *object, const char *string)
+{
+    cJSON_Delete(cJSON_DetachItemFromObject(object, string));
+}
 
 /* Replace array/object items with new ones. */
-void   cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem)		{cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) {cJSON_AddItemToArray(array,newitem);return;}
-	newitem->next=c;newitem->prev=c->prev;c->prev=newitem;if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;}
-void   cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem)		{cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return;
-	newitem->next=c->next;newitem->prev=c->prev;if (newitem->next) newitem->next->prev=newitem;
-	if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;c->next=c->prev=0;cJSON_Delete(c);}
-void   cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem){int i=0;cJSON *c=object->child;while(c && cJSON_strcasecmp(c->string,string))i++,c=c->next;if(c){newitem->string=cJSON_strdup(string);cJSON_ReplaceItemInArray(object,i,newitem);}}
+void cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem)
+{
+    cJSON *c = array->child;
+    while (c && (which > 0))
+    {
+        c = c->next;
+        which--;
+    }
+    if (!c)
+    {
+        cJSON_AddItemToArray(array, newitem);
+        return;
+    }
+    newitem->next = c;
+    newitem->prev = c->prev;
+    c->prev = newitem;
+    if (c == array->child)
+    {
+        array->child = newitem;
+    }
+    else
+    {
+        newitem->prev->next = newitem;
+    }
+}
+
+void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem)
+{
+    cJSON *c = array->child;
+    while (c && (which > 0))
+    {
+        c = c->next;
+        which--;
+    }
+    if (!c)
+    {
+        return;
+    }
+    newitem->next = c->next;
+    newitem->prev = c->prev;
+    if (newitem->next)
+    {
+        newitem->next->prev = newitem;
+    }
+    if (c == array->child)
+    {
+        array->child = newitem;
+    }
+    else
+    {
+        newitem->prev->next = newitem;
+    }
+    c->next = c->prev = 0;
+    cJSON_Delete(c);
+}
+
+void cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem)
+{
+    int i = 0;
+    cJSON *c = object->child;
+    while(c && cJSON_strcasecmp(c->string, string))
+    {
+        i++;
+        c = c->next;
+    }
+    if(c)
+    {
+        newitem->string = cJSON_strdup(string);
+        cJSON_ReplaceItemInArray(object, i, newitem);
+    }
+}
 
 /* Create basic types: */
-cJSON *cJSON_CreateNull(void)					{cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_NULL;return item;}
-cJSON *cJSON_CreateTrue(void)					{cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_True;return item;}
-cJSON *cJSON_CreateFalse(void)					{cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_False;return item;}
-cJSON *cJSON_CreateBool(int b)					{cJSON *item=cJSON_New_Item();if(item)item->type=b?cJSON_True:cJSON_False;return item;}
-cJSON *cJSON_CreateNumber(double num)			{cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_Number;item->valuedouble=num;item->valueint=(int)num;}return item;}
-cJSON *cJSON_CreateString(const char *string)	{cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_String;item->valuestring=cJSON_strdup(string);if(!item->valuestring){cJSON_Delete(item);return 0;}}return item;}
-cJSON *cJSON_CreateArray(void)					{cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Array;return item;}
-cJSON *cJSON_CreateObject(void)					{cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Object;return item;}
+cJSON *cJSON_CreateNull(void)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type = cJSON_NULL;
+    }
+
+    return item;
+}
+
+cJSON *cJSON_CreateTrue(void)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type = cJSON_True;
+    }
+
+    return item;
+}
+
+cJSON *cJSON_CreateFalse(void)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type = cJSON_False;
+    }
+
+    return item;
+}
+
+cJSON *cJSON_CreateBool(int b)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type = b ? cJSON_True : cJSON_False;
+    }
+
+    return item;
+}
+
+cJSON *cJSON_CreateNumber(double num)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type = cJSON_Number;
+        item->valuedouble = num;
+        item->valueint = (int)num;
+    }
+
+    return item;
+}
+
+cJSON *cJSON_CreateString(const char *string)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type = cJSON_String;
+        item->valuestring = cJSON_strdup(string);
+        if(!item->valuestring)
+        {
+            cJSON_Delete(item);
+            return 0;
+        }
+    }
+
+    return item;
+}
+
+cJSON *cJSON_CreateArray(void)
+{
+    cJSON *item = cJSON_New_Item();
+    if(item)
+    {
+        item->type=cJSON_Array;
+    }
+
+    return item;
+}
+
+cJSON *cJSON_CreateObject(void)
+{
+    cJSON *item = cJSON_New_Item();
+    if (item)
+    {
+        item->type = cJSON_Object;
+    }
+
+    return item;
+}
 
 /* Create Arrays: */
-cJSON *cJSON_CreateIntArray(const int *numbers,int count)		{int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
-cJSON *cJSON_CreateFloatArray(const float *numbers,int count)	{int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
-cJSON *cJSON_CreateDoubleArray(const double *numbers,int count)	{int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
-cJSON *cJSON_CreateStringArray(const char **strings,int count)	{int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateString(strings[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
+cJSON *cJSON_CreateIntArray(const int *numbers, int count)
+{
+    int i;
+    cJSON *n = 0;
+    cJSON *p = 0;
+    cJSON *a = cJSON_CreateArray();
+    for(i = 0; a && (i < count); i++)
+    {
+        n = cJSON_CreateNumber(numbers[i]);
+        if (!n)
+        {
+            cJSON_Delete(a);
+            return 0;
+        }
+        if(!i)
+        {
+            a->child = n;
+        }
+        else
+        {
+            suffix_object(p, n);
+        }
+        p = n;
+    }
+
+    return a;
+}
+
+cJSON *cJSON_CreateFloatArray(const float *numbers, int count)
+{
+    int i;
+    cJSON *n = 0;
+    cJSON *p = 0;
+    cJSON *a = cJSON_CreateArray();
+    for(i = 0; a && (i < count); i++)
+    {
+        n = cJSON_CreateNumber(numbers[i]);
+        if(!n)
+        {
+            cJSON_Delete(a);
+            return 0;
+        }
+        if(!i)
+        {
+            a->child = n;
+        }
+        else
+        {
+            suffix_object(p, n);
+        }
+        p = n;
+    }
+
+    return a;
+}
+
+cJSON *cJSON_CreateDoubleArray(const double *numbers, int count)
+{
+    int i;
+    cJSON *n = 0;
+    cJSON *p = 0;
+    cJSON *a = cJSON_CreateArray();
+    for(i = 0;a && (i < count); i++)
+    {
+        n = cJSON_CreateNumber(numbers[i]);
+        if(!n)
+        {
+            cJSON_Delete(a);
+            return 0;
+        }
+        if(!i)
+        {
+            a->child = n;
+        }
+        else
+        {
+            suffix_object(p, n);
+        }
+        p = n;
+    }
+
+    return a;
+}
+
+cJSON *cJSON_CreateStringArray(const char **strings, int count)
+{
+    int i;
+    cJSON *n = 0;
+    cJSON *p = 0;
+    cJSON *a = cJSON_CreateArray();
+    for (i = 0; a && (i < count); i++)
+    {
+        n = cJSON_CreateString(strings[i]);
+        if(!n)
+        {
+            cJSON_Delete(a);
+            return 0;
+        }
+        if(!i)
+        {
+            a->child = n;
+        }
+        else
+        {
+            suffix_object(p,n);
+        }
+        p = n;
+    }
+
+    return a;
+}
 
 /* Duplication */
-cJSON *cJSON_Duplicate(cJSON *item,int recurse)
-{
-	cJSON *newitem,*cptr,*nptr=0,*newchild;
-	/* Bail on bad ptr */
-	if (!item) return 0;
-	/* Create new item */
-	newitem=cJSON_New_Item();
-	if (!newitem) return 0;
-	/* Copy over all vars */
-	newitem->type=item->type&(~cJSON_IsReference),newitem->valueint=item->valueint,newitem->valuedouble=item->valuedouble;
-	if (item->valuestring)	{newitem->valuestring=cJSON_strdup(item->valuestring);	if (!newitem->valuestring)	{cJSON_Delete(newitem);return 0;}}
-	if (item->string)		{newitem->string=cJSON_strdup(item->string);			if (!newitem->string)		{cJSON_Delete(newitem);return 0;}}
-	/* If non-recursive, then we're done! */
-	if (!recurse) return newitem;
-	/* Walk the ->next chain for the child. */
-	cptr=item->child;
-	while (cptr)
-	{
-		newchild=cJSON_Duplicate(cptr,1);		/* Duplicate (with recurse) each item in the ->next chain */
-		if (!newchild) {cJSON_Delete(newitem);return 0;}
-		if (nptr)	{nptr->next=newchild,newchild->prev=nptr;nptr=newchild;}	/* If newitem->child already set, then crosswire ->prev and ->next and move on */
-		else		{newitem->child=newchild;nptr=newchild;}					/* Set newitem->child and move to it */
-		cptr=cptr->next;
-	}
-	return newitem;
+cJSON *cJSON_Duplicate(cJSON *item, int recurse)
+{
+    cJSON *newitem;
+    cJSON *cptr;
+    cJSON *nptr = 0;
+    cJSON *newchild;
+
+    /* Bail on bad ptr */
+    if (!item)
+    {
+        return 0;
+    }
+    /* Create new item */
+    newitem = cJSON_New_Item();
+    if (!newitem)
+    {
+        return 0;
+    }
+    /* Copy over all vars */
+    newitem->type = item->type & (~cJSON_IsReference);
+    newitem->valueint = item->valueint;
+    newitem->valuedouble = item->valuedouble;
+    if (item->valuestring)
+    {
+        newitem->valuestring = cJSON_strdup(item->valuestring);
+        if (!newitem->valuestring)
+        {
+            cJSON_Delete(newitem);
+            return 0;
+        }
+    }
+    if (item->string)
+    {
+        newitem->string = cJSON_strdup(item->string);
+        if (!newitem->string)
+        {
+            cJSON_Delete(newitem);
+            return 0;
+        }
+    }
+    /* If non-recursive, then we're done! */
+    if (!recurse)
+    {
+        return newitem;
+    }
+    /* Walk the ->next chain for the child. */
+    cptr = item->child;
+    while (cptr)
+    {
+        newchild = cJSON_Duplicate(cptr, 1); /* Duplicate (with recurse) each item in the ->next chain */
+        if (!newchild)
+        {
+            cJSON_Delete(newitem);
+            return 0;
+        }
+        if (nptr)
+        {
+            /* If newitem->child already set, then crosswire ->prev and ->next and move on */
+            nptr->next = newchild;
+            newchild->prev = nptr;
+            nptr = newchild;
+        }
+        else
+        {
+            /* Set newitem->child and move to it */
+            newitem->child = newchild; nptr = newchild;
+        }
+        cptr = cptr->next;
+    }
+
+    return newitem;
 }
 
 void cJSON_Minify(char *json)
 {
-	char *into=json;
-	while (*json)
-	{
-		if (*json==' ') json++;
-		else if (*json=='\t') json++;	/* Whitespace characters. */
-		else if (*json=='\r') json++;
-		else if (*json=='\n') json++;
-		else if (*json=='/' && json[1]=='/')  while (*json && *json!='\n') json++;	/* double-slash comments, to end of line. */
-		else if (*json=='/' && json[1]=='*') {while (*json && !(*json=='*' && json[1]=='/')) json++;json+=2;}	/* multiline comments. */
-		else if (*json=='\"'){*into++=*json++;while (*json && *json!='\"'){if (*json=='\\') *into++=*json++;*into++=*json++;}*into++=*json++;} /* string literals, which are \" sensitive. */
-		else *into++=*json++;			/* All other characters. */
-	}
-	*into=0;	/* and null-terminate. */
+    char *into = json;
+    while (*json)
+    {
+        if (*json == ' ')
+        {
+            json++;
+        }
+        else if (*json == '\t')
+        {
+            /* Whitespace characters. */
+            json++;
+        }
+        else if (*json == '\r')
+        {
+            json++;
+        }
+        else if (*json=='\n')
+        {
+            json++;
+        }
+        else if ((*json == '/') && (json[1] == '/'))
+        {
+            /* double-slash comments, to end of line. */
+            while (*json && (*json != '\n'))
+            {
+                json++;
+            }
+        }
+        else if ((*json == '/') && (json[1] == '*'))
+        {
+            /* multiline comments. */
+            while (*json && !((*json == '*') && (json[1] == '/')))
+            {
+                json++;
+            }
+            json += 2;
+        }
+        else if (*json == '\"')
+        {
+            /* string literals, which are \" sensitive. */
+            *into++ = *json++;
+            while (*json && (*json != '\"'))
+            {
+                if (*json == '\\')
+                {
+                    *into++=*json++;
+                }
+                *into++ = *json++;
+            }
+            *into++ = *json++;
+        }
+        else
+        {
+            /* All other characters. */
+            *into++ = *json++;
+        }
+    }
+
+    /* and null-terminate. */
+    *into = '\0';
 }

+ 51 - 41
cJSON.h

@@ -41,20 +41,30 @@ extern "C"
 #define cJSON_StringIsConst 512
 
 /* The cJSON structure: */
-typedef struct cJSON {
-	struct cJSON *next,*prev;	/* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
-	struct cJSON *child;		/* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
-
-	int type;					/* The type of the item, as above. */
-
-	char *valuestring;			/* The item's string, if type==cJSON_String */
-	int valueint;				/* The item's number, if type==cJSON_Number */
-	double valuedouble;			/* The item's number, if type==cJSON_Number */
-
-	char *string;				/* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
+typedef struct cJSON
+{
+    /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
+    struct cJSON *next;
+    struct cJSON *prev;
+    /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
+    struct cJSON *child;
+
+    /* The type of the item, as above. */
+    int type;
+
+    /* The item's string, if type==cJSON_String */
+    char *valuestring;
+    /* The item's number, if type==cJSON_Number */
+    int valueint;
+    /* The item's number, if type==cJSON_Number */
+    double valuedouble;
+
+    /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
+    char *string;
 } cJSON;
 
-typedef struct cJSON_Hooks {
+typedef struct cJSON_Hooks
+{
       void *(*malloc_fn)(size_t sz);
       void (*free_fn)(void *ptr);
 } cJSON_Hooks;
@@ -70,17 +80,17 @@ extern char  *cJSON_Print(cJSON *item);
 /* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
 extern char  *cJSON_PrintUnformatted(cJSON *item);
 /* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */
-extern char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt);
+extern char *cJSON_PrintBuffered(cJSON *item, int prebuffer, int fmt);
 /* Delete a cJSON entity and all subentities. */
 extern void   cJSON_Delete(cJSON *c);
 
 /* Returns the number of items in an array (or object). */
 extern int	  cJSON_GetArraySize(cJSON *array);
 /* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
-extern cJSON *cJSON_GetArrayItem(cJSON *array,int item);
+extern cJSON *cJSON_GetArrayItem(cJSON *array, int item);
 /* Get item "string" from object. Case insensitive. */
-extern cJSON *cJSON_GetObjectItem(cJSON *object,const char *string);
-extern int cJSON_HasObjectItem(cJSON *object,const char *string);
+extern cJSON *cJSON_GetObjectItem(cJSON *object, const char *string);
+extern int cJSON_HasObjectItem(cJSON *object, const char *string);
 /* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
 extern const char *cJSON_GetErrorPtr(void);
 	
@@ -95,56 +105,56 @@ extern cJSON *cJSON_CreateArray(void);
 extern cJSON *cJSON_CreateObject(void);
 
 /* These utilities create an Array of count items. */
-extern cJSON *cJSON_CreateIntArray(const int *numbers,int count);
-extern cJSON *cJSON_CreateFloatArray(const float *numbers,int count);
-extern cJSON *cJSON_CreateDoubleArray(const double *numbers,int count);
-extern cJSON *cJSON_CreateStringArray(const char **strings,int count);
+extern cJSON *cJSON_CreateIntArray(const int *numbers, int count);
+extern cJSON *cJSON_CreateFloatArray(const float *numbers, int count);
+extern cJSON *cJSON_CreateDoubleArray(const double *numbers, int count);
+extern cJSON *cJSON_CreateStringArray(const char **strings, int count);
 
 /* Append item to the specified array/object. */
 extern void cJSON_AddItemToArray(cJSON *array, cJSON *item);
-extern void	cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item);
-extern void	cJSON_AddItemToObjectCS(cJSON *object,const char *string,cJSON *item);	/* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object */
+extern void	cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item);
+extern void	cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item);	/* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object */
 /* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
 extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
-extern void	cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item);
+extern void	cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item);
 
 /* Remove/Detatch items from Arrays/Objects. */
-extern cJSON *cJSON_DetachItemFromArray(cJSON *array,int which);
-extern void   cJSON_DeleteItemFromArray(cJSON *array,int which);
-extern cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string);
-extern void   cJSON_DeleteItemFromObject(cJSON *object,const char *string);
-	
+extern cJSON *cJSON_DetachItemFromArray(cJSON *array, int which);
+extern void   cJSON_DeleteItemFromArray(cJSON *array, int which);
+extern cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string);
+extern void   cJSON_DeleteItemFromObject(cJSON *object, const char *string);
+
 /* Update array items. */
-extern void cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem);	/* Shifts pre-existing items to the right. */
-extern void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem);
+extern void cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem); /* Shifts pre-existing items to the right. */
+extern void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem);
 extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);
 
 /* Duplicate a cJSON item */
-extern cJSON *cJSON_Duplicate(cJSON *item,int recurse);
+extern cJSON *cJSON_Duplicate(cJSON *item, int recurse);
 /* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
 need to be released. With recurse!=0, it will duplicate any children connected to the item.
 The item->next and ->prev pointers are always zero on return from Duplicate. */
 
 /* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */
 /* If you supply a ptr in return_parse_end and parsing fails, then return_parse_end will contain a pointer to the error. If not, then cJSON_GetErrorPtr() does the job. */
-extern cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated);
+extern cJSON *cJSON_ParseWithOpts(const char *value, const char **return_parse_end, int require_null_terminated);
 
 extern void cJSON_Minify(char *json);
 
 /* Macros for creating things quickly. */
-#define cJSON_AddNullToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateNull())
-#define cJSON_AddTrueToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
-#define cJSON_AddFalseToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
-#define cJSON_AddBoolToObject(object,name,b)	cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
-#define cJSON_AddNumberToObject(object,name,n)	cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
-#define cJSON_AddStringToObject(object,name,s)	cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
+#define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
+#define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
+#define cJSON_AddFalseToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
+#define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
+#define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
+#define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
 
 /* When assigning an integer value, it needs to be propagated to valuedouble too. */
-#define cJSON_SetIntValue(object,val)			((object)?(object)->valueint=(object)->valuedouble=(val):(val))
-#define cJSON_SetNumberValue(object,val)		((object)?(object)->valueint=(object)->valuedouble=(val):(val))
+#define cJSON_SetIntValue(object,val) ((object) ? (object)->valueint = (object)->valuedouble = (val) : (val))
+#define cJSON_SetNumberValue(object,val) ((object) ? (object)->valueint = (object)->valuedouble = (val) : (val))
 
 /* Macro for iterating over an array */
-#define cJSON_ArrayForEach(pos, head)			for(pos = (head)->child; pos != NULL; pos = pos->next)
+#define cJSON_ArrayForEach(pos, head) for(pos = (head)->child; pos != NULL; pos = pos->next)
 
 #ifdef __cplusplus
 }