remote.c: refactor creation of new dst ref

This refactors open-coded sequence to create a new "struct ref"
and link it to the tail of dst list into a new function.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/remote.c b/remote.c
index b53130fb5662cefde477c07bd0ddd9cf43a0854d..f469fb34e41cc9e1d80c0a71ed928a47bbadd267 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -406,6 +406,18 @@ static struct ref *try_explicit_object_name(const char *name)
        return ref;
 }
 
+static struct ref *make_dst(const char *name, struct ref ***dst_tail)
+{
+       struct ref *dst;
+       size_t len;
+
+       len = strlen(name) + 1;
+       dst = xcalloc(1, sizeof(*dst) + len);
+       memcpy(dst->name, name, len);
+       link_dst_tail(dst, dst_tail);
+       return dst;
+}
+
 static int match_explicit(struct ref *src, struct ref *dst,
                          struct ref ***dst_tail,
                          struct refspec *rs,
@@ -447,23 +459,13 @@ static int match_explicit(struct ref *src, struct ref *dst,
        case 1:
                break;
        case 0:
-               if (!memcmp(dst_value, "refs/", 5)) {
-                       int len = strlen(dst_value) + 1;
-                       matched_dst = xcalloc(1, sizeof(*dst) + len);
-                       memcpy(matched_dst->name, dst_value, len);
-                       link_dst_tail(matched_dst, dst_tail);
-               }
-               else if (!strcmp(rs->src, dst_value) &&
-                        matched_src) {
+               if (!memcmp(dst_value, "refs/", 5))
+                       matched_dst = make_dst(dst_value, dst_tail);
+               else if (!strcmp(rs->src, dst_value) && matched_src)
                        /* pushing "master:master" when
                         * remote does not have master yet.
                         */
-                       int len = strlen(matched_src->name) + 1;
-                       matched_dst = xcalloc(1, sizeof(*dst) + len);
-                       memcpy(matched_dst->name, matched_src->name,
-                              len);
-                       link_dst_tail(matched_dst, dst_tail);
-               }
+                       matched_dst = make_dst(matched_src->name, dst_tail);
                else {
                        errs = 1;
                        error("dst refspec %s does not match any "
@@ -567,11 +569,8 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
                        goto free_name;
                if (!dst_peer) {
                        /* Create a new one and link it */
-                       int len = strlen(dst_name) + 1;
-                       dst_peer = xcalloc(1, sizeof(*dst_peer) + len);
-                       memcpy(dst_peer->name, dst_name, len);
+                       dst_peer = make_dst(dst_name, dst_tail);
                        hashcpy(dst_peer->new_sha1, src->new_sha1);
-                       link_dst_tail(dst_peer, dst_tail);
                }
                dst_peer->peer_ref = src;
        free_name: