[FFmpeg-cvslog] md5: use AV_WL32 to write result

Mans Rullgard git at videolan.org
Mon Jul 4 00:53:48 CEST 2011


ffmpeg | branch: master | Mans Rullgard <mans at mansr.com> | Sun Jul  3 18:01:26 2011 +0100| [fa49fc72d9f25c1b2dccf7a4c43aa9b027e80e4b] | committer: Mans Rullgard

md5: use AV_WL32 to write result

This is simpler, safer, and removes the undocumented requirement of
aligned output buffer.

Signed-off-by: Mans Rullgard <mans at mansr.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fa49fc72d9f25c1b2dccf7a4c43aa9b027e80e4b
---

 libavutil/md5.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/libavutil/md5.c b/libavutil/md5.c
index 74e109b..a06e5ea 100644
--- a/libavutil/md5.c
+++ b/libavutil/md5.c
@@ -32,6 +32,7 @@
 
 #include <stdint.h>
 #include "bswap.h"
+#include "intreadwrite.h"
 #include "md5.h"
 
 typedef struct AVMD5{
@@ -150,7 +151,7 @@ void av_md5_final(AVMD5 *ctx, uint8_t *dst){
     av_md5_update(ctx, (uint8_t*)&finalcount, 8);
 
     for(i=0; i<4; i++)
-        ((uint32_t*)dst)[i]= av_le2ne32(ctx->ABCD[3-i]);
+        AV_WL32(dst + 4*i, ctx->ABCD[3-i]);
 }
 
 void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len){



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