Use objstack to store nodes

[babeltrace.git] / formats / ctf / metadata / objstack.h

diff --git a/formats/ctf/metadata/objstack.h b/formats/ctf/metadata/objstack.h
index 8f83f9022dbc0d2813c9ed2bbccee1edee227993..c026eb54664d4b50f1da74d4ffbb8695070a6f5c 100644 (file)
--- a/formats/ctf/metadata/objstack.h
+++ b/formats/ctf/metadata/objstack.h
@@ -33,6 +33,11 @@ BT_HIDDEN
 struct objstack *objstack_create(void);
 BT_HIDDEN
 void objstack_destroy(struct objstack *objstack);
+
+/*
+ * Allocate len bytes of zeroed memory.
+ * Return NULL on error.
+ */
 BT_HIDDEN
 void *objstack_alloc(struct objstack *objstack, size_t len);