ui-refs.c: avoid segfault on unparsed ref objects
When a ref refers to something other then a commit or tag object, cgit could segfault when trying to display the tag info. Noticed-by: Eugene Sajine <euguess@gmail.com> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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							| @@ -42,23 +42,25 @@ static int cmp_branch_age(const void *a, const void *b) | ||||
| 	return cmp_age(r1->commit->committer_date, r2->commit->committer_date); | ||||
| } | ||||
|  | ||||
| static int get_ref_age(struct refinfo *ref) | ||||
| { | ||||
| 	if (!ref->object) | ||||
| 		return 0; | ||||
| 	switch (ref->object->type) { | ||||
| 	case OBJ_TAG: | ||||
| 		return ref->tag ? ref->tag->tagger_date : 0; | ||||
| 	case OBJ_COMMIT: | ||||
| 		return ref->commit ? ref->commit->committer_date : 0; | ||||
| 	} | ||||
| 	return 0; | ||||
| } | ||||
|  | ||||
| static int cmp_tag_age(const void *a, const void *b) | ||||
| { | ||||
| 	struct refinfo *r1 = *(struct refinfo **)a; | ||||
| 	struct refinfo *r2 = *(struct refinfo **)b; | ||||
| 	int r1date, r2date; | ||||
|  | ||||
| 	if (r1->object->type != OBJ_COMMIT) | ||||
| 		r1date = r1->tag->tagger_date; | ||||
| 	else | ||||
| 		r1date = r1->commit->committer_date; | ||||
|  | ||||
| 	if (r2->object->type != OBJ_COMMIT) | ||||
| 		r2date = r2->tag->tagger_date; | ||||
| 	else | ||||
| 		r2date = r2->commit->committer_date; | ||||
|  | ||||
| 	return cmp_age(r1date, r2date); | ||||
| 	return cmp_age(get_ref_age(r1), get_ref_age(r2)); | ||||
| } | ||||
|  | ||||
| static int print_branch(struct refinfo *ref) | ||||
|   | ||||
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	 Lars Hjemli
					Lars Hjemli