include/sys_dependencies.h - master - githubmirror/swtpm

include/sys_dependencies.h
73 строки3 KB
Stefan Berger
headers: Add defines for little endian data conversion (OS X)
05 окт 2021, 20:50
05 окт 2021, 20:504a5acef
/*
 * sys_dependencies.h -- system specific includes and #defines
 *
 * (c) Copyright IBM Corporation 2018.
 *
 * Author: Stefan Berger <stefanb@us.ibm.com>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 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.
 *
 * Neither the names of the IBM Corporation 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 COPYRIGHT HOLDERS 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 COPYRIGHT
 * HOLDER 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 SWTPM_SYS_DEPENDENCIES_H
#define SWTPM_SYS_DEPENDENCIES_H

#if !defined __OpenBSD__ && !defined __FreeBSD__ && !defined __NetBSD__ \
 && !defined __APPLE__ && !defined __DragonFly__
 #define _GNU_SOURCE
 #include <features.h>
#endif

#if defined __FreeBSD__ || defined __NetBSD__ || defined __DragonFly__
# include <sys/endian.h>
# include <netinet/in.h>
#elif defined __APPLE__
# include <libkern/OSByteOrder.h>

# define be16toh(x) OSSwapBigToHostInt16(x)
# define be32toh(x) OSSwapBigToHostInt32(x)
# define be64toh(x) OSSwapBigToHostInt64(x)

# define htobe16(x) OSSwapHostToBigInt16(x)
# define htobe32(x) OSSwapHostToBigInt32(x)
# define htobe64(x) OSSwapHostToBigInt64(x)

# define le16toh(x) OSSwapLittleToHostInt16(x)
# define le32toh(x) OSSwapLittleToHostInt32(x)
# define le64toh(x) OSSwapLittleToHostInt64(x)

# define htole16(x) OSSwapHostToLittleInt16(x)
# define htole32(x) OSSwapHostToLittleInt32(x)
# define htole64(x) OSSwapHostToLittleInt64(x)

#else
# include <endian.h>
#endif

#endif /* SWTPM_SYS_DEPENDENCIES_H */