/* md5.c - Functions to compute MD5 message digest of files or memory blocks
according to the definition of MD5 in RFC 1321 from April 1992.
- Copyright (C) 1995, 1996, 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 2001, 2003, 2004 Free Software Foundation, Inc.
NOTE: The canonical source of this file is maintained with the GNU C
Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. */
#include "md5.h"
-#include <sys/types.h>
-
-#include <stdlib.h>
+#include <stddef.h>
#include <string.h>
-#include "unlocked-io.h"
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+#endif
#ifdef _LIBC
# include <endian.h>
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
+# define alignof(type) offsetof (struct { char c; type x; }, x)
+# define UNALIGNED_P(p) (((size_t) p) % alignof (md5_uint32) != 0)
if (UNALIGNED_P (buffer))
while (len > 64)
{