File ez-ipupdate-type-punning.patch of Package ez-ipupdate

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File ez-ipupdate-type-punning.patch of Package ez-ipupdate (Revision 42dc692f6d690533ea65d4a7abef2710)

Currently displaying revision 42dc692f6d690533ea65d4a7abef2710 , Show latest

From: Philipp Thomas <pth@suse.de>
Date: 2013-04-11 11:24:54+02:00
Subject: Use memcpy for type-punning

---
 md5.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

signed-off-by: pth@suse.de

Index: md5.c
===================================================================
--- md5.c.orig	2013-04-11 10:50:22.160673361 +0200
+++ md5.c	2013-04-11 11:18:46.118299579 +0200
@@ -92,6 +92,7 @@ md5_finish_ctx (struct md5_ctx *ctx, voi
 {
   /* Take yet unprocessed bytes into account.  */
   md5_uint32 bytes = ctx->buflen;
+  md5_uint32 tmp;
   size_t pad;
 
   /* Now count remaining bytes.  */
@@ -103,9 +104,10 @@ md5_finish_ctx (struct md5_ctx *ctx, voi
   memcpy (&ctx->buffer[bytes], fillbuf, pad);
 
   /* Put the 64-bit file length in *bits* at the end of the buffer.  */
-  *(md5_uint32 *) &ctx->buffer[bytes + pad] = SWAP (ctx->total[0] << 3);
-  *(md5_uint32 *) &ctx->buffer[bytes + pad + 4] = SWAP ((ctx->total[1] << 3) |
-							(ctx->total[0] >> 29));
+  tmp = SWAP (ctx->total[0] << 3);
+  memcpy(&ctx->buffer[bytes + pad], &tmp, sizeof(md5_uint32));
+  tmp = SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29));
+  memcpy(&ctx->buffer[bytes + pad + 4], &tmp, sizeof(md5_uint32));
 
   /* Process last bytes.  */
   md5_process_block (ctx->buffer, bytes + pad + 8, ctx);

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File ez-ipupdate-type-punning.patch of Package ez-ipupdate (Revision 42dc692f6d690533ea65d4a7abef2710)

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