Author: Lars Hjemli <hjemli@gmail.com>
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>
ui-refs.c | 26 ++++++++++++++------------
diff --git a/ui-refs.c b/ui-refs.c index d3b4f6e478aab81b9f59dbac3536ce1b7eb6344e..6571cc452014bc1352c279d1aeea48ed3f133197 100644 --- a/ui-refs.c +++ b/ui-refs.c @@ -42,23 +42,25 @@ 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)