packaging: Add contrib installation

[platform/upstream/git.git] / url.c

diff --git a/url.c b/url.c
index 7ca2a69..e04bd60 100644 (file)
--- a/url.c
+++ b/url.c
@@ -5,7 +5,7 @@ int is_urlschemechar(int first_flag, int ch)
 {
        /*
         * The set of valid URL schemes, as per STD66 (RFC3986) is
-        * '[A-Za-z][A-Za-z0-9+.-]*'. But use sightly looser check
+        * '[A-Za-z][A-Za-z0-9+.-]*'. But use slightly looser check
         * of '[A-Za-z0-9][A-Za-z0-9+.-]*' because earlier version
         * of check used '[A-Za-z0-9]+' so not to break any remote
         * helpers.
@@ -29,25 +29,6 @@ int is_url(const char *url)
        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, int len,
                                 const char *stop_at, struct strbuf *out,
                                 int decode_plus)
@@ -65,9 +46,9 @@ static char *url_decode_internal(const char **query, int len,
                        break;
                }
 
-               if (c == '%') {
-                       int val = url_decode_char(q + 1);
-                       if (0 <= val) {
+               if (c == '%' && (len < 0 || len >= 3)) {
+                       int val = hex2chr(q + 1);
+                       if (0 < val) {
                                strbuf_addch(out, val);
                                q += 3;
                                len -= 3;
@@ -105,6 +86,12 @@ char *url_decode_mem(const char *url, int len)
        return url_decode_internal(&url, len, NULL, &out, 0);
 }
 
+char *url_percent_decode(const char *encoded)
+{
+       struct strbuf out = STRBUF_INIT;
+       return url_decode_internal(&encoded, strlen(encoded), NULL, &out, 0);
+}
+
 char *url_decode_parameter_name(const char **query)
 {
        struct strbuf out = STRBUF_INIT;
@@ -120,11 +107,11 @@ char *url_decode_parameter_value(const char **query)
 void end_url_with_slash(struct strbuf *buf, const char *url)
 {
        strbuf_addstr(buf, url);
-       if (buf->len && buf->buf[buf->len - 1] != '/')
-               strbuf_addch(buf, '/');
+       strbuf_complete(buf, '/');
 }
 
-void str_end_url_with_slash(const char *url, char **dest) {
+void str_end_url_with_slash(const char *url, char **dest)
+{
        struct strbuf buf = STRBUF_INIT;
        end_url_with_slash(&buf, url);
        free(*dest);