From 4d222ab45dbcc610eaadf81a92d0aa8ea58df7a9 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Thu, 17 Feb 2011 02:31:50 -0800
Subject: [PATCH] Fixed bug #1090 (SDL_BlitCopyOverlap() assumes memcpy()
 operates in order)

The much more complete fix is in SDL 1.3, but this is a band-aid that will fix the bug for 1.2.

--HG--
branch : SDL-1.2
---
 src/video/SDL_blit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/SDL_blit.c b/src/video/SDL_blit.c
index 83160768b..b299ab2b6 100644
--- a/src/video/SDL_blit.c
+++ b/src/video/SDL_blit.c
@@ -214,7 +214,7 @@ static void SDL_BlitCopyOverlap(SDL_BlitInfo *info)
 	dstskip = w+info->d_skip;
 	if ( dst < src ) {
 		while ( h-- ) {
-			SDL_memcpy(dst, src, w);
+			SDL_memmove(dst, src, w);
 			src += srcskip;
 			dst += dstskip;
 		}