make parse_number more robust!

git-svn-id: http://svn.code.sf.net/p/cjson/code@42 e3330c51-1366-4df0-8b21-3ccf24e3d50e

cJSON.c

@@ -101,7 +101,7 @@ static const char *parse_number(cJSON *item,const char *num)
 	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++;		do	n=(n*10.0)+(*num++ -'0'),scale--; 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');}	/* 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? */