From: Martin Mares <mj@ucw.cz>
Date: Tue, 30 Oct 2012 20:26:46 +0000 (+0100)
Subject: MD5: Removed a potential pointer aliasing problem
X-Git-Tag: v5.99~99
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=346fe93e5b4a07bbda2af24d229a836d2e42f876;p=libucw.git

MD5: Removed a potential pointer aliasing problem

Discovered from a warning by GCC 4.7.
---

diff --git a/ucw/md5.c b/ucw/md5.c
index ee8e206b..b04278bc 100644
--- a/ucw/md5.c
+++ b/ucw/md5.c
@@ -139,9 +139,7 @@ byte *md5_final(md5_context *ctx)
   byteReverse(ctx->in, 14);
 
   /* Append length in bits and transform */
-  ((u32 *) ctx->in)[14] = ctx->bits[0];
-  ((u32 *) ctx->in)[15] = ctx->bits[1];
-
+  memcpy(ctx->in + 56, ctx->bits, 8);
   md5_transform(ctx->buf, (u32 *) ctx->in);
   byteReverse((byte *) ctx->buf, 4);
   return (byte *) ctx->buf;