PORTREVISION=	1

# Origin: https://hg.libsdl.org/SDL/rev/a09c3f87a12f

# Subject: Fixed bug 3852 - SDL_FreeSurface deallocates surface->map even if

# the surface is not yet freed

# Origin: https://hg.libsdl.org/SDL/rev/3a23ca106752

# Subject: Fixed bug 3855 - Memory leak in SDL_FreeSurface

--- src/video/SDL_surface.c.orig	2017-09-22 18:51:01 UTC

+++ src/video/SDL_surface.c

@@ -1198,10 +1198,8 @@ SDL_FreeSurface(SDL_Surface * surface)

     if (surface->flags & SDL_DONTFREE) {

         return;

     }

-    if (surface->map != NULL) {

-        SDL_FreeBlitMap(surface->map);

-        surface->map = NULL;

-    }

+    SDL_InvalidateMap(surface->map);

+

     if (--surface->refcount > 0) {

         return;

     }

@@ -1219,6 +1217,9 @@ SDL_FreeSurface(SDL_Surface * surface)

     if (!(surface->flags & SDL_PREALLOC)) {

         SDL_free(surface->pixels);

     }

+    if (surface->map) {

+        SDL_FreeBlitMap(surface->map);

+    }

     SDL_free(surface);

 }