Framework for back-bdb

[openldap] / libraries / liblutil / sha1.c

diff --git a/libraries/liblutil/sha1.c b/libraries/liblutil/sha1.c
index 7b0d9c4aa6f8fca64d634d52992afab6f4206f6e..9d97ceb169c165118afe8b363458c9095079cb1f 100644 (file)
--- a/libraries/liblutil/sha1.c
+++ b/libraries/liblutil/sha1.c
@@ -1,3 +1,8 @@
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 /*     Acquired from:
  *     $OpenBSD: sha1.c,v 1.9 1997/07/23 21:12:32 kstailey Exp $       */
 
@@ -15,6 +20,9 @@
  *   34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
  */
 
+/*
+ * This code assumes uint32 is 32 bits and char is 8 bits
+ */
 
 #include "portable.h"
 #include <ac/string.h>
@@ -22,12 +30,11 @@
 /* include socket.h to get sys/types.h and/or winsock2.h */
 #include <ac/socket.h>
 
-#if defined(HAVE_SYS_PARAM_H)
-#include <sys/param.h>
-#endif
+#include <ac/param.h>
 
 #include "lutil_sha1.h"
 
+/* undefining this will cause pointer alignment errors */
 #define SHA1HANDSOFF           /* Copies data before messing with it. */
 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
 
@@ -62,13 +69,11 @@ lutil_SHA1Transform( uint32 *state, const unsigned char *buffer )
 {
     uint32 a, b, c, d, e;
 
-       /* Assumes u_int is 32 bits and char 8 bits.
-        * I don't know why uint32 isn't used (or what the difference is). */
 #ifdef SHA1HANDSOFF
-    u_int block[16];
-    (void)memcpy(block, buffer, 64);
+    uint32 block[16];
+    (void)AC_MEMCPY(block, buffer, 64);
 #else
-    u_int *block = (u_int *)buffer;
+    uint32 *block = (u_int32 *) buffer;
 #endif
 
     /* Copy context->state[] to working vars */
@@ -146,7 +151,7 @@ lutil_SHA1Update(
        context->count[1] += (len>>29)+1;
     j = (j >> 3) & 63;
     if ((j + len) > 63) {
-       (void)memcpy(&context->buffer[j], data, (i = 64-j));
+       (void)AC_MEMCPY(&context->buffer[j], data, (i = 64-j));
        lutil_SHA1Transform(context->state, context->buffer);
        for ( ; i + 63 < len; i += 64)
            lutil_SHA1Transform(context->state, &data[i]);
@@ -154,7 +159,7 @@ lutil_SHA1Update(
     } else {
        i = 0;
     }
-    (void)memcpy(&context->buffer[j], &data[i], len - i);
+    (void)AC_MEMCPY(&context->buffer[j], &data[i], len - i);
 }