src/swap.h - master - githubmirror/file

src/swap.h
48 строк2 KB
Christos Zoulas
fix typo
19 апр 2026, 23:19
19 апр 2026, 23:192866af2
/*
 * Copyright (c) Ian F. Darwin 1986-1995.
 * Software written by Ian F. Darwin and others;
 * maintained 1995-present by Christos Zoulas and others.
 *
 * 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 immediately at the beginning of the file, without modification,
 *    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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

#ifdef HAVE_BYTESWAP_H
#include <byteswap.h>
#endif
#ifdef HAVE_SYS_BSWAP_H
#include <sys/bswap.h>
#endif

#if defined(HAVE_BYTESWAP_H)
#define file_swap2(x)	bswap_16(x)
#define file_swap4(x)	bswap_32(x)
#define file_swap8(x)	bswap_64(x)
#elif defined(HAVE_SYS_BSWAP_H)
#define file_swap2(x)	bswap16(x)
#define file_swap4(x)	bswap32(x)
#define file_swap8(x)	bswap64(x)
#else
file_protected uint16_t file_swap2(uint16_t);
file_protected uint32_t file_swap4(uint32_t);
file_protected uint64_t file_swap8(uint64_t);
#endif