transport: use parse_oid_hex instead of a constant

Use parse_oid_hex to compute a pointer instead of using GIT_SHA1_HEXSZ.
This simplifies the code and makes it independent of the hash length.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/transport.c b/transport.c
index 1c76d64aba9fac7d62dfc8e95ab2b32f45dd95a5..44b9ddf670531d8f27f8aaca9bee8ebadc2df6e7 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -1346,15 +1346,16 @@ static void read_alternate_refs(const char *path,
        fh = xfdopen(cmd.out, "r");
        while (strbuf_getline_lf(&line, fh) != EOF) {
                struct object_id oid;
+               const char *p;
 
-               if (get_oid_hex(line.buf, &oid) ||
-                   line.buf[GIT_SHA1_HEXSZ] != ' ') {
+               if (parse_oid_hex(line.buf, &oid, &p) ||
+                   *p != ' ') {
                        warning(_("invalid line while parsing alternate refs: %s"),
                                line.buf);
                        break;
                }
 
-               cb(line.buf + GIT_SHA1_HEXSZ + 1, &oid, data);
+               cb(p + 1, &oid, data);
        }
 
        fclose(fh);