+++ /dev/null
-/* $Id$ */
-/* $NetBSD: hash.h,v 1.5 2006/02/16 20:17:20 perry Exp $ */
-
-/*-
- * Copyright (c) 2001 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Luke Mewburn.
- *
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the NetBSD
- * Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation 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 THE NETBSD FOUNDATION, INC. AND 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 THE FOUNDATION OR 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.
- */
-
-#ifndef _SYS_HASH_H_
-#define _SYS_HASH_H_
-
-#include <sys/types.h>
-#ifdef __HAVE_MACHINE_HASH_H
-#include <machine/hash.h>
-#endif
-
-
-#ifndef __HAVE_HASH32_BUF /* not overridden by MD hash */
-
-#define HASH32_BUF_INIT 5381
-
-/*
- * uint32_t
- * hash32_buf(const void *bf, size_t len, uint32_t hash)
- * return a 32 bit hash of the binary buffer buf (size len),
- * seeded with an initial hash value of hash (usually HASH32_BUF_INIT).
- */
-static __inline uint32_t
-hash32_buf(const void *bf, size_t len, uint32_t hash)
-{
- const uint8_t *s = bf;
-
- while (len-- != 0) /* "nemesi": k=257, r=r*257 */
- hash = hash * 257 + *s++;
- return (hash * 257);
-}
-#endif /* __HAVE_HASH32_BUF */
-
-
-#ifndef __HAVE_HASH32_STR /* not overridden by MD hash */
-
-#define HASH32_STR_INIT 5381
-/*
- * uint32_t
- * hash32_str(const void *bf, uint32_t hash)
- * return a 32 bit hash of NUL terminated ASCII string buf,
- * seeded with an initial hash value of hash (usually HASH32_STR_INIT).
- */
-static __inline uint32_t
-hash32_str(const void *bf, uint32_t hash)
-{
- const uint8_t *s = bf;
- uint8_t c;
-
- while ((c = *s++) != 0)
- hash = hash * 33 + c; /* "perl": k=33, r=r+r/32 */
- return (hash + (hash >> 5));
-}
-
-/*
- * uint32_t
- * hash32_strn(const void *bf, size_t len, uint32_t hash)
- * return a 32 bit hash of NUL terminated ASCII string buf up to
- * a maximum of len bytes,
- * seeded with an initial hash value of hash (usually HASH32_STR_INIT).
- */
-static __inline uint32_t
-hash32_strn(const void *bf, size_t len, uint32_t hash)
-{
- const uint8_t *s = bf;
- uint8_t c;
-
- while ((c = *s++) != 0 && len-- != 0)
- hash = hash * 33 + c; /* "perl": k=33, r=r+r/32 */
- return (hash + (hash >> 5));
-}
-#endif /* __HAVE_HASH32_STR */
-
-
-#endif /* !_SYS_HASH_H_ */