install-reloc: Support multi-binary installation.

[gnulib.git] / lib / md5.h

diff --git a/lib/md5.h b/lib/md5.h
index 1c29e67..3786dc5 100644 (file)
--- a/lib/md5.h
+++ b/lib/md5.h
@@ -1,9 +1,8 @@
 /* Declaration of functions and data types used for MD5 sum computing
    library functions.
-   Copyright (C) 1995-1997,1999-2005 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.
+   Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2013 Free Software
+   Foundation, Inc.
+   This file is part of the GNU C Library.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -16,25 +15,21 @@
    GNU General Public License for more details.
 
    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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef _MD5_H
 #define _MD5_H 1
 
 #include <stdio.h>
+#include <stdint.h>
 
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-#if HAVE_STDINT_H || _LIBC
-# include <stdint.h>
-#endif
+#define MD5_DIGEST_SIZE 16
+#define MD5_BLOCK_SIZE 64
 
 #ifndef __GNUC_PREREQ
 # if defined __GNUC__ && defined __GNUC_MINOR__
-#  define __GNUC_PREREQ(maj, min) \
-       ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#  define __GNUC_PREREQ(maj, min)                                       \
+  ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
 # else
 #  define __GNUC_PREREQ(maj, min) 0
 # endif
@@ -42,18 +37,12 @@
 
 #ifndef __THROW
 # if defined __cplusplus && __GNUC_PREREQ (2,8)
-#  define __THROW      throw ()
+#  define __THROW       throw ()
 # else
 #  define __THROW
 # endif
 #endif
 
-#ifndef __attribute__
-# if ! __GNUC_PREREQ (2,8) || __STRICT_ANSI__
-#  define __attribute__(x)
-# endif
-#endif
-
 #ifndef _LIBC
 # define __md5_buffer md5_buffer
 # define __md5_finish_ctx md5_finish_ctx
@@ -64,24 +53,26 @@
 # define __md5_stream md5_stream
 #endif
 
-typedef uint32_t md5_uint32;
+# ifdef __cplusplus
+extern "C" {
+# endif
 
 /* Structure to save state of computation between the single steps.  */
 struct md5_ctx
 {
-  md5_uint32 A;
-  md5_uint32 B;
-  md5_uint32 C;
-  md5_uint32 D;
-
-  md5_uint32 total[2];
-  md5_uint32 buflen;
-  char buffer[128] __attribute__ ((__aligned__ (__alignof__ (md5_uint32))));
+  uint32_t A;
+  uint32_t B;
+  uint32_t C;
+  uint32_t D;
+
+  uint32_t total[2];
+  uint32_t buflen;
+  uint32_t buffer[32];
 };
 
 /*
  * The following three functions are build up the low level used in
- * the functions `md5_stream' and `md5_buffer'.
+ * the functions 'md5_stream' and 'md5_buffer'.
  */
 
 /* Initialize structure containing state of computation.
@@ -93,31 +84,25 @@ extern void __md5_init_ctx (struct md5_ctx *ctx) __THROW;
    starting at BUFFER.
    It is necessary that LEN is a multiple of 64!!! */
 extern void __md5_process_block (const void *buffer, size_t len,
-                                struct md5_ctx *ctx) __THROW;
+                                 struct md5_ctx *ctx) __THROW;
 
 /* Starting with the result of former calls of this function (or the
    initialization function update the context for the next LEN bytes
    starting at BUFFER.
    It is NOT required that LEN is a multiple of 64.  */
 extern void __md5_process_bytes (const void *buffer, size_t len,
-                                struct md5_ctx *ctx) __THROW;
+                                 struct md5_ctx *ctx) __THROW;
 
 /* Process the remaining bytes in the buffer and put result from CTX
    in first 16 bytes following RESBUF.  The result is always in little
    endian byte order, so that a byte-wise output yields to the wanted
-   ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF be correctly
-   aligned for a 32 bits value.  */
+   ASCII representation of the message digest.  */
 extern void *__md5_finish_ctx (struct md5_ctx *ctx, void *resbuf) __THROW;
 
 
 /* Put result from CTX in first 16 bytes following RESBUF.  The result is
    always in little endian byte order, so that a byte-wise output yields
-   to the wanted ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+   to the wanted ASCII representation of the message digest.  */
 extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) __THROW;
 
 
@@ -131,6 +116,10 @@ extern int __md5_stream (FILE *stream, void *resblock) __THROW;
    output yields to the wanted ASCII representation of the message
    digest.  */
 extern void *__md5_buffer (const char *buffer, size_t len,
-                          void *resblock) __THROW;
+                           void *resblock) __THROW;
+
+# ifdef __cplusplus
+}
+# endif
 
 #endif /* md5.h */