return (url[0] == ':' && url[1] == '/' && url[2] == '/');
}
-static int url_decode_char(const char *q)
-{
- int i;
- unsigned char val = 0;
- for (i = 0; i < 2; i++) {
- unsigned char c = *q++;
- val <<= 4;
- if (c >= '0' && c <= '9')
- val += c - '0';
- else if (c >= 'a' && c <= 'f')
- val += c - 'a' + 10;
- else if (c >= 'A' && c <= 'F')
- val += c - 'A' + 10;
- else
- return -1;
- }
- return val;
-}
-
-static char *url_decode_internal(const char **query, const char *stop_at,
- struct strbuf *out, int decode_plus)
+static char *url_decode_internal(const char **query, int len,
+ const char *stop_at, struct strbuf *out,
+ int decode_plus)
{
const char *q = *query;
- do {
+ while (len) {
unsigned char c = *q;
if (!c)
break;
if (stop_at && strchr(stop_at, c)) {
q++;
+ len--;
break;
}
if (c == '%') {
- int val = url_decode_char(q + 1);
+ int val = hex2chr(q + 1);
if (0 <= val) {
strbuf_addch(out, val);
q += 3;
+ len -= 3;
continue;
}
}
else
strbuf_addch(out, c);
q++;
- } while (1);
+ len--;
+ }
*query = q;
return strbuf_detach(out, NULL);
}
char *url_decode(const char *url)
+{
+ return url_decode_mem(url, strlen(url));
+}
+
+char *url_decode_mem(const char *url, int len)
{
struct strbuf out = STRBUF_INIT;
- const char *colon = strchr(url, ':');
+ const char *colon = memchr(url, ':', len);
/* Skip protocol part if present */
if (colon && url < colon) {
strbuf_add(&out, url, colon - url);
+ len -= colon - url;
url = colon;
}
- return url_decode_internal(&url, NULL, &out, 0);
+ return url_decode_internal(&url, len, NULL, &out, 0);
}
char *url_decode_parameter_name(const char **query)
{
struct strbuf out = STRBUF_INIT;
- return url_decode_internal(query, "&=", &out, 1);
+ return url_decode_internal(query, -1, "&=", &out, 1);
}
char *url_decode_parameter_value(const char **query)
{
struct strbuf out = STRBUF_INIT;
- return url_decode_internal(query, "&", &out, 1);
+ return url_decode_internal(query, -1, "&", &out, 1);
}
void end_url_with_slash(struct strbuf *buf, const char *url)
{
strbuf_addstr(buf, url);
- if (buf->len && buf->buf[buf->len - 1] != '/')
- strbuf_addstr(buf, "/");
+ strbuf_complete(buf, '/');
}
void str_end_url_with_slash(const char *url, char **dest) {