From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 5 Sep 2015 20:04:06 +0000 (+0300)
Subject: Add a safeguard to resource_used
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=918394ff1726a11523fd090b1f92c8657292e0cf

Add a safeguard to resource_used

It's externally accessible and someone might call it with a resource
which is not registered with that manager.
---

diff --git a/source/resourcemanager.cpp b/source/resourcemanager.cpp
index f008fd27..e989a5d0 100644
--- a/source/resourcemanager.cpp
+++ b/source/resourcemanager.cpp
@@ -120,6 +120,8 @@ bool ResourceManager::is_resource_loaded(const Resource &r) const
 void ResourceManager::resource_used(const Resource &r)
 {
 	ManagedResource *managed = reinterpret_cast<ManagedResource *>(r.get_manager_data());
+	if(!managed)
+		return;
 	if(managed->state==ManagedResource::NOT_LOADED && policy!=LOAD_MANUALLY)
 		load_resource(*managed->resource);