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/*
* Copyright (c) 1999 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of KTH nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* $Id: hash.h,v 1.3 2005/04/27 11:53:48 lha Exp $ */
/* stuff in common between md4, md5, and sha1 */
#ifndef __hash_h__
#define __hash_h__
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#ifdef KRB5
#include <krb5-types.h>
#endif
#ifndef min
#define min(a,b) (((a)>(b))?(b):(a))
#endif
/* Vector Crays doesn't have a good 32-bit type, or more precisely,
int32_t as defined by <bind/bitypes.h> isn't 32 bits, and we don't
want to depend in being able to redefine this type. To cope with
this we have to clamp the result in some places to [0,2^32); no
need to do this on other machines. Did I say this was a mess?
*/
#ifdef _CRAY
#define CRAYFIX(X) ((X) & 0xffffffff)
#else
#define CRAYFIX(X) (X)
#endif
static inline u_int32_t
cshift (u_int32_t x, unsigned int n)
{
x = CRAYFIX(x);
return CRAYFIX((x << n) | (x >> (32 - n)));
}
#endif /* __hash_h__ */
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