mirror of
https://github.com/RGBCube/serenity
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109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#define __PDP_ENDIAN 3412
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#if defined(__GNUC__) && defined(__BYTE_ORDER__)
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# define __BYTE_ORDER __BYTE_ORDER__
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#else
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# include <bits/endian.h>
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#endif
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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# include <stdint.h>
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static __inline uint16_t __bswap16(uint16_t x)
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{
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return __builtin_bswap16(x);
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}
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static __inline uint32_t __bswap32(uint32_t x)
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{
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return __builtin_bswap32(x);
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}
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static __inline uint64_t __bswap64(uint64_t x)
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{
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return __builtin_bswap64(x);
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}
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# define LITTLE_ENDIAN __LITTLE_ENDIAN
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# define BIG_ENDIAN __BIG_ENDIAN
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# define PDP_ENDIAN __PDP_ENDIAN
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# define BYTE_ORDER __BYTE_ORDER
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define htole16(x) ((uint16_t)(x))
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# define le16toh(x) ((uint16_t)(x))
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# define letoh16(x) ((uint16_t)(x))
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# define htole32(x) ((uint32_t)(x))
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# define le32toh(x) ((uint32_t)(x))
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# define letoh32(x) ((uint32_t)(x))
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# define htole64(x) ((uint64_t)(x))
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# define le64toh(x) ((uint64_t)(x))
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# define letoh64(x) ((uint64_t)(x))
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# define htobe16(x) (__builtin_bswap16(x))
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# define be16toh(x) (__builtin_bswap16(x))
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# define betoh16(x) (__builtin_bswap16(x))
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# define htobe32(x) (__builtin_bswap32(x))
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# define be32toh(x) (__builtin_bswap32(x))
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# define betoh32(x) (__builtin_bswap32(x))
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# define htobe64(x) (__builtin_bswap64(x))
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# define be64toh(x) (__builtin_bswap64(x))
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# define betoh64(x) (__builtin_bswap64(x))
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# else
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# define htole16(x) (__builtin_bswap16(x))
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# define le16toh(x) (__builtin_bswap16(x))
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# define letoh16(x) (__builtin_bswap16(x))
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# define htole32(x) (__builtin_bswap32(x))
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# define le32toh(x) (__builtin_bswap32(x))
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# define letoh32(x) (__builtin_bswap32(x))
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# define htole64(x) (__builtin_bswap64(x))
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# define le64toh(x) (__builtin_bswap64(x))
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# define letoh64(x) (__builtin_bswap64(x))
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# define htobe16(x) ((uint16_t)(x))
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# define be16toh(x) ((uint16_t)(x))
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# define betoh16(x) ((uint16_t)(x))
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# define htobe32(x) ((uint32_t)(x))
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# define be32toh(x) ((uint32_t)(x))
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# define betoh32(x) ((uint32_t)(x))
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# define htobe64(x) ((uint64_t)(x))
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# define be64toh(x) ((uint64_t)(x))
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# define betoh64(x) ((uint64_t)(x))
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# endif
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#endif
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__END_DECLS
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