From: Andre Noll <maan@systemlinux.org>
Date: Sun, 3 Jan 2010 21:45:20 +0000 (+0100)
Subject: btr_add_output(): Fix memory leak in case node has no children.
X-Git-Tag: v0.4.2~208
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=fa2f988176a46dabc3adb4144a56f34f89ae6d1b

btr_add_output(): Fix memory leak in case node has no children.
---

diff --git a/buffer_tree.c b/buffer_tree.c
index 1a6b6e60..c826e8fa 100644
--- a/buffer_tree.c
+++ b/buffer_tree.c
@@ -119,6 +119,11 @@ void btr_add_output(char *buf, size_t size, struct btr_node *btrn)
 {
 	struct btr_buffer *btrb;
 
+	assert(size != 0);
+	if (list_empty(&btrn->children)) {
+		free(buf);
+		return;
+	}
 	btrb = new_btrb(buf, size);
 	add_btrb_to_children(btrb, btrn, 0);
 }