Merge from mainline.

[bpt/emacs.git] / src / md5.c

diff --git a/src/md5.c b/src/md5.c
index d3c25b0..5ac4536 100644 (file)
--- a/src/md5.c
+++ b/src/md5.c
@@ -1,22 +1,23 @@
 /* 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, 1997, 1999, 2000, 2002, 2003, 2004,
-                 2005, 2006 Free Software Foundation, Inc.
-   This file is part of the GNU Emacs.
+   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004,
+                 2005, 2006, 2007, 2010  Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
+   modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   You should have received a copy of the GNU General Public License
+   along with the GNU C Library; see the file COPYING.  If not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.  */
 
 /* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.  */
@@ -39,7 +40,7 @@
 #ifdef _LIBC
 # include <endian.h>
 # if __BYTE_ORDER == __BIG_ENDIAN
-#  define WORDS_BIG_ENDIAN 1
+#  define WORDS_BIGENDIAN 1
 # endif
 /* We need to keep the namespace clean so define the MD5 function
    protected using leading __ .  */
@@ -54,7 +55,7 @@
 
 #include "md5.h"
 
-#ifdef WORDS_BIG_ENDIAN
+#ifdef WORDS_BIGENDIAN
 # define SWAP(n)                                                       \
     (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
 #else
@@ -70,8 +71,7 @@ static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ...  */ };
 /* Initialize structure containing state of computation.
    (RFC 1321, 3.3: Step 3)  */
 void
-md5_init_ctx (ctx)
-     struct md5_ctx *ctx;
+md5_init_ctx (struct md5_ctx *ctx)
 {
   ctx->A = 0x67452301;
   ctx->B = 0xefcdab89;
@@ -88,9 +88,7 @@ md5_init_ctx (ctx)
    IMPORTANT: On some systems it is required that RESBUF is correctly
    aligned for a 32 bits value.  */
 void *
-md5_read_ctx (ctx, resbuf)
-     const struct md5_ctx *ctx;
-     void *resbuf;
+md5_read_ctx (const struct md5_ctx *ctx, void *resbuf)
 {
   ((md5_uint32 *) resbuf)[0] = SWAP (ctx->A);
   ((md5_uint32 *) resbuf)[1] = SWAP (ctx->B);
@@ -106,9 +104,7 @@ md5_read_ctx (ctx, resbuf)
    IMPORTANT: On some systems it is required that RESBUF is correctly
    aligned for a 32 bits value.  */
 void *
-md5_finish_ctx (ctx, resbuf)
-     struct md5_ctx *ctx;
-     void *resbuf;
+md5_finish_ctx (struct md5_ctx *ctx, void *resbuf)
 {
   /* Take yet unprocessed bytes into account.  */
   md5_uint32 bytes = ctx->buflen;
@@ -137,9 +133,7 @@ md5_finish_ctx (ctx, resbuf)
    resulting message digest number will be written into the 16 bytes
    beginning at RESBLOCK.  */
 int
-md5_stream (stream, resblock)
-     FILE *stream;
-     void *resblock;
+md5_stream (FILE *stream, void *resblock)
 {
   /* Important: BLOCKSIZE must be a multiple of 64.  */
 #define BLOCKSIZE 4096
@@ -194,10 +188,7 @@ md5_stream (stream, resblock)
    output yields to the wanted ASCII representation of the message
    digest.  */
 void *
-md5_buffer (buffer, len, resblock)
-     const char *buffer;
-     size_t len;
-     void *resblock;
+md5_buffer (const char *buffer, size_t len, void *resblock)
 {
   struct md5_ctx ctx;
 
@@ -213,10 +204,7 @@ md5_buffer (buffer, len, resblock)
 
 
 void
-md5_process_bytes (buffer, len, ctx)
-     const void *buffer;
-     size_t len;
-     struct md5_ctx *ctx;
+md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx)
 {
   /* const void aligned_buffer = buffer; */
 
@@ -228,7 +216,7 @@ md5_process_bytes (buffer, len, ctx)
       size_t add = 128 - left_over > len ? len : 128 - left_over;
 
       /* Only put full words in the buffer.  */
-      add -= add % __alignof__ (md5_uint32);
+      add -= add % sizeof (md5_uint32);
 
       memcpy (&ctx->buffer[left_over], buffer, add);
       ctx->buflen += add;
@@ -286,10 +274,7 @@ md5_process_bytes (buffer, len, ctx)
    It is assumed that LEN % 64 == 0.  */
 
 void
-md5_process_block (buffer, len, ctx)
-     const void *buffer;
-     size_t len;
-     struct md5_ctx *ctx;
+md5_process_block (const void *buffer, size_t len, struct md5_ctx *ctx)
 {
   md5_uint32 correct_words[16];
   const md5_uint32 *words = buffer;
@@ -442,6 +427,3 @@ md5_process_block (buffer, len, ctx)
   ctx->C = C;
   ctx->D = D;
 }
-
-/* arch-tag: 60084f04-b434-42cb-9d2b-e91df01f4325
-   (do not change this comment) */