checkout.c: change "unique" member to "num_matches"

Internally track how many matches we find in the check_tracking_name() callback. Nothing uses this now, but it will be made use of in a later change. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Ævar Arnfjörð Bjarmason committed Jun 5, 2018 at 14:40 UTC e4d2d55ae46216872c9eaa3b9d0072aa8361d5d3
1 file changed +4 -4
checkout.c
+4 -4
@@ -7,10 +7,10 @@ struct tracking_name_data {
7 /* const */ char *src_ref;
8 char *dst_ref;
9 struct object_id *dst_oid;
10 - int unique;
10 + int num_matches;
11 };
12
13 -#define TRACKING_NAME_DATA_INIT { NULL, NULL, NULL, 1 }
13 +#define TRACKING_NAME_DATA_INIT { NULL, NULL, NULL, 0 }
14
15 static int check_tracking_name(struct remote *remote, void *cb_data)
16 {
@@ -23,9 +23,9 @@ static int check_tracking_name(struct remote *remote, void *cb_data)
23 free(query.dst);
24 return 0;
25 }
26 + cb->num_matches++;
27 if (cb->dst_ref) {
28 free(query.dst);
28 - cb->unique = 0;
29 return 0;
30 }
31 cb->dst_ref = query.dst;
@@ -39,7 +39,7 @@ const char *unique_tracking_name(const char *name, struct object_id *oid)
39 cb_data.dst_oid = oid;
40 for_each_remote(check_tracking_name, &cb_data);
41 free(cb_data.src_ref);
42 - if (cb_data.unique)
42 + if (cb_data.num_matches == 1)
43 return cb_data.dst_ref;
44 free(cb_data.dst_ref);
45 return NULL;