return ns;
}
+#define ishex(in) ((in >= 'a' && in <= 'f') || \
+ (in >= 'A' && in <= 'F') || \
+ (in >= '0' && in <= '9'))
+
char *curl_unescape(const char *string, int length)
{
int alloc = (length?length:(int)strlen(string))+1;
while(--alloc > 0) {
in = *string;
- if('%' == in) {
- /* encoded part */
- if(sscanf(string+1, "%02X", &hex)) {
- in = hex;
- string+=2;
- alloc-=2;
- }
+ if(('%' == in) && ishex(string[1]) && ishex(string[2])) {
+ /* this is two hexadecimal digits following a '%' */
+ char hexstr[3];
+ char *ptr;
+ hexstr[0] = string[1];
+ hexstr[1] = string[2];
+ hexstr[2] = 0;
+
+ hex = strtol(hexstr, &ptr, 16);
+
+ in = hex;
+ string+=2;
+ alloc-=2;
}
ns[index++] = in;
return ns;
}
+/* For operating systems/environments that use different malloc/free
+ ssystems for the app and for this library, we provide a free that uses
+ the library's memory system */
void curl_free(void *p)
{
free(p);