X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=commit.c;h=e9a29caa27fbdd94810abbc4fd9c44e06c81265c;hb=b21c31c9a5edfd90d6f85481517f979352da4eed;hp=e867b86e6a10d64354226b04f71df98d7448e072;hpb=36d277c72d90d32f99616072b64a2652248f5264;p=git.git

diff --git a/commit.c b/commit.c
index e867b86e..e9a29caa 100644
--- a/commit.c
+++ b/commit.c
@@ -352,6 +352,19 @@ struct commit *pop_most_recent_commit(struct commit_list **list,
 	return ret;
 }
 
+void clear_commit_marks(struct commit *commit, unsigned int mark)
+{
+	struct commit_list *parents;
+
+	parents = commit->parents;
+	commit->object.flags &= ~mark;
+	while (parents) {
+		if (parents->item && parents->item->object.parsed)
+			clear_commit_marks(parents->item, mark);
+		parents = parents->next;
+	}
+}
+
 /*
  * Generic support for pretty-printing the header
  */
@@ -560,6 +573,9 @@ void sort_in_topological_order(struct commit_list ** list)
 		next = next->next;
 		count++;
 	}
+	
+	if (!count)
+		return;
 	/* allocate an array to help sort the list */
 	nodes = xcalloc(count, sizeof(*nodes));
 	/* link the list to the array */