From 3b333151e8d9b245d10d28b8f5c427e3d33a1c66 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 9 Jun 2011 05:48:48 +0000
Subject: Explicitly document free functions as safe to call on NULL. Fix
 ticket #709.

git-svn-id: http://svn.drobilla.net/lad/trunk/lilv@3377 a436a847-0d15-0410-975c-d299462d15a1
---
 src/world.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/world.c')

diff --git a/src/world.c b/src/world.c
index e2456dd..e94bcd8 100644
--- a/src/world.c
+++ b/src/world.c
@@ -100,6 +100,10 @@ LILV_API
 void
 lilv_world_free(LilvWorld* world)
 {
+	if (!world) {
+		return NULL;
+	}
+
 	lilv_plugin_class_free(world->lv2_plugin_class);
 	world->lv2_plugin_class = NULL;
 
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