diff options
Diffstat (limited to 'builtin/describe.c')
| -rw-r--r-- | builtin/describe.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/builtin/describe.c b/builtin/describe.c index cf8edc4222..954929c514 100644 --- a/builtin/describe.c +++ b/builtin/describe.c @@ -529,6 +529,7 @@ static void describe_blob(struct object_id oid, struct strbuf *dst) traverse_commit_list(&revs, process_commit, process_object, &pcd); reset_revision_walk(); release_revisions(&revs); + strvec_clear(&args); } static void describe(const char *arg, int last_one) @@ -619,6 +620,8 @@ int cmd_describe(int argc, const char **argv, const char *prefix) if (contains) { struct string_list_item *item; struct strvec args; + const char **argv_copy; + int ret; strvec_init(&args); strvec_pushl(&args, "name-rev", @@ -637,7 +640,21 @@ int cmd_describe(int argc, const char **argv, const char *prefix) strvec_pushv(&args, argv); else strvec_push(&args, "HEAD"); - return cmd_name_rev(args.nr, args.v, prefix); + + /* + * `cmd_name_rev()` modifies the array, so we'd leak its + * contained strings if we didn't do a copy here. + */ + ALLOC_ARRAY(argv_copy, args.nr + 1); + for (size_t i = 0; i < args.nr; i++) + argv_copy[i] = args.v[i]; + argv_copy[args.nr] = NULL; + + ret = cmd_name_rev(args.nr, argv_copy, prefix); + + strvec_clear(&args); + free(argv_copy); + return ret; } hashmap_init(&names, commit_name_neq, NULL, 0); @@ -679,7 +696,6 @@ int cmd_describe(int argc, const char **argv, const char *prefix) } else if (dirty) { struct lock_file index_lock = LOCK_INIT; struct rev_info revs; - struct strvec args = STRVEC_INIT; int fd; setup_work_tree(); @@ -694,8 +710,9 @@ int cmd_describe(int argc, const char **argv, const char *prefix) repo_update_index_if_able(the_repository, &index_lock); repo_init_revisions(the_repository, &revs, prefix); - strvec_pushv(&args, diff_index_args); - if (setup_revisions(args.nr, args.v, &revs, NULL) != 1) + + if (setup_revisions(ARRAY_SIZE(diff_index_args) - 1, + diff_index_args, &revs, NULL) != 1) BUG("malformed internal diff-index command line"); run_diff_index(&revs, 0); |