diff options
Diffstat (limited to 'reachable.c')
| -rw-r--r-- | reachable.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/reachable.c b/reachable.c index 6383401e2d..3b1c18ff9b 100644 --- a/reachable.c +++ b/reachable.c @@ -15,6 +15,8 @@ static void process_blob(struct blob *blob, { struct object *obj = &blob->object; + if (!blob) + die("bad blob object"); if (obj->flags & SEEN) return; obj->flags |= SEEN; @@ -39,6 +41,8 @@ static void process_tree(struct tree *tree, struct name_entry entry; struct name_path me; + if (!tree) + die("bad tree object"); if (obj->flags & SEEN) return; obj->flags |= SEEN; @@ -79,7 +83,8 @@ static void process_tag(struct tag *tag, struct object_array *p, const char *nam if (parse_tag(tag) < 0) die("bad tag object %s", sha1_to_hex(obj->sha1)); - add_object(tag->tagged, p, NULL, name); + if (tag->tagged) + add_object(tag->tagged, p, NULL, name); } static void walk_commit_list(struct rev_info *revs) @@ -150,7 +155,8 @@ static int add_one_reflog(const char *path, const unsigned char *sha1, int flag, static void add_one_tree(const unsigned char *sha1, struct rev_info *revs) { struct tree *tree = lookup_tree(sha1); - add_pending_object(revs, &tree->object, ""); + if (tree) + add_pending_object(revs, &tree->object, ""); } static void add_cache_tree(struct cache_tree *it, struct rev_info *revs) @@ -176,7 +182,7 @@ static void add_cache_refs(struct rev_info *revs) * lookup_blob() on them, to avoid populating the hash table * with invalid information */ - if (S_ISGITLINK(ntohl(active_cache[i]->ce_mode))) + if (S_ISGITLINK(active_cache[i]->ce_mode)) continue; lookup_blob(active_cache[i]->sha1); @@ -215,6 +221,7 @@ void mark_reachable_objects(struct rev_info *revs, int mark_reflog) * Set up the revision walk - this will move all commits * from the pending list to the commit walking list. */ - prepare_revision_walk(revs); + if (prepare_revision_walk(revs)) + die("revision walk setup failed"); walk_commit_list(revs); } |