/* md5.h - Declaration of functions and data types used for MD5 sum
computing library functions.
- Copyright (C) 1995, 1996, 1999, 2000, 2003 Free Software Foundation, Inc.
+
+ Copyright (C) 1995, 1996, 1999, 2000, 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. */
#ifndef _MD5_H
#define _MD5_H 1
#include <stdio.h>
-#include <limits.h>
-
-/* The following contortions are an attempt to use the C preprocessor
- to determine an unsigned integral type that is 32 bits wide. An
- alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but
- doing that would require that the configure script compile and *run*
- the resulting executable. Locally running cross-compiled executables
- is usually not possible. */
-#ifdef _LIBC
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#if HAVE_STDINT_H || _LIBC
# include <stdint.h>
-typedef uint32_t md5_uint32;
-typedef uintptr_t md5_uintptr;
-#else
-# define UINT_MAX_32_BITS 4294967295U
-
-# if UINT_MAX == UINT_MAX_32_BITS
- typedef unsigned int md5_uint32;
-# else
-# if USHRT_MAX == UINT_MAX_32_BITS
- typedef unsigned short md5_uint32;
-# else
-# if ULONG_MAX == UINT_MAX_32_BITS
- typedef unsigned long md5_uint32;
-# else
- /* The following line is intended to evoke an error.
- Using #error is not portable enough. */
- "Cannot determine unsigned 32-bit data type."
-# endif
-# endif
-# endif
-/* We have to make a guess about the integer type equivalent in size
- to pointers which should always be correct. */
-typedef unsigned long int md5_uintptr;
#endif
+typedef uint32_t md5_uint32;
+
/* Structure to save state of computation between the single steps. */
struct md5_ctx
{
digest. */
extern void *md5_buffer (const char *buffer, size_t len, void *resblock);
-/* The following is from gnupg-1.0.2's cipher/bithelp.h. */
-/* Rotate a 32 bit integer by n bytes */
-#if defined __GNUC__ && defined __i386__
-static inline md5_uint32
-rol(md5_uint32 x, int n)
-{
- __asm__("roll %%cl,%0"
- :"=r" (x)
- :"0" (x),"c" (n));
- return x;
-}
-#else
-# define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) )
-#endif
+#define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) )
#endif