crypto: Remove _STRING_ARCH_unaligned usage

Assume unaligned inputs on all cases.  The code is built and used only
in compat mode.

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

1 files changed, 4 insertions, 20 deletions

diff --git a/crypt/md5.c b/crypt/md5.c
index c7a232a..03240a9 100644
--- a/crypt/md5.c
+++ b/crypt/md5.c
@@ -229,27 +229,11 @@ md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx)
   /* Process available complete blocks.  */
   if (len >= 64)
     {
-#if !_STRING_ARCH_unaligned
-/* To check alignment gcc has an appropriate operator.  Other
-   compilers don't.  */
-# if __GNUC__ >= 2
-#  define UNALIGNED_P(p) (((md5_uintptr) p) % __alignof__ (md5_uint32) != 0)
-# else
-#  define UNALIGNED_P(p) (((md5_uintptr) p) % sizeof (md5_uint32) != 0)
-# endif
-      if (UNALIGNED_P (buffer))
-	while (len > 64)
-	  {
-	    __md5_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
-	    buffer = (const char *) buffer + 64;
-	    len -= 64;
-	  }
-      else
-#endif
+      while (len > 64)
 	{
-	  __md5_process_block (buffer, len & ~63, ctx);
-	  buffer = (const char *) buffer + (len & ~63);
-	  len &= 63;
+	  __md5_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
+	  buffer = (const char *) buffer + 64;
+	  len -= 64;
 	}
     }