package sdl_mixer: fix for double-freeing resources with WAV files

src/sdl_mixer-1-fix-double-free.patch

@@ -0,0 +1,35 @@
+This file is part of MXE.
+See index.html for further information.
+
+https://bugs.gentoo.org/show_bug.cgi?id=406739
+Nikos Chantziaras 2012-03-03 03:13:39 EST
+
+There's a bug in the current version of SDL_mixer where failing to load a WAV sample will result in freeing a resource twice, resulting in an application crash.  There is an upstream fix for this:
+
+http://hg.libsdl.org/SDL_mixer/rev/ea53a85853dd
+
+Upstream bug: http://bugzilla.libsdl.org/show_bug.cgi?id=1418
+
+--- a/mixer.c
++++ b/mixer.c
+@@ -610,13 +610,15 @@
+ 			break;
+ 		default:
+ 			SDL_SetError("Unrecognized sound file type");
+-			return(0);			
++			if ( freesrc ) {
++				SDL_RWclose(src);
++			}
++			loaded = NULL;
++			break;
+ 	}
+ 	if ( !loaded ) {
++		/* The individual loaders have closed src if needed */
+ 		SDL_free(chunk);
+-		if ( freesrc ) {
+-			SDL_RWclose(src);
+-		}
+ 		return(NULL);
+ 	}
+ 
+