mirror of
https://github.com/aaru-dps/libaaruformat.git
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90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*
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* This file is part of the Aaru Data Preservation Suite.
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* Copyright (c) 2019-2025 Natalia Portillo.
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBAARUFORMAT_ENDIAN_H
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#define LIBAARUFORMAT_ENDIAN_H
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#ifdef _MSC_VER
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#include <stdlib.h>
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#define bswap_16(x) _byteswap_ushort(x)
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#define bswap_32(x) _byteswap_ulong(x)
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#define bswap_64(x) _byteswap_uint64(x)
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#elif defined(__APPLE__)
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// Mac OS X / Darwin features
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#include <libkern/OSByteOrder.h>
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#define bswap_16(x) OSSwapInt16(x)
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#define bswap_32(x) OSSwapInt32(x)
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#define bswap_64(x) OSSwapInt64(x)
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#elif defined(__sun) || defined(sun)
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#include <sys/byteorder.h>
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#define bswap_16(x) BSWAP_16(x)
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#define bswap_32(x) BSWAP_32(x)
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#define bswap_64(x) BSWAP_64(x)
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#elif defined(__FreeBSD__)
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#include <sys/endian.h>
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#define bswap_16(x) bswap16(x)
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#define bswap_32(x) bswap32(x)
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#define bswap_64(x) bswap64(x)
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#elif defined(__OpenBSD__)
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#include <sys/types.h>
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#define bswap_16(x) swap16(x)
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#define bswap_32(x) swap32(x)
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#define bswap_64(x) swap64(x)
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#elif defined(__NetBSD__)
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#include <machine/bswap.h>
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#include <sys/types.h>
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#if defined(__BSWAP_RENAME) && !defined(__bswap_32)
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#define bswap_16(x) bswap16(x)
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#define bswap_32(x) bswap32(x)
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#define bswap_64(x) bswap64(x)
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#endif
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#elif defined(__linux__)
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#include <byteswap.h>
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#else
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#include <stdint.h>
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#define bswap_16(x) ((uint16_t)((((uint16_t)(x) & 0xff00) >> 8) | (((uint16_t)(x) & 0x00ff) << 8)))
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#define bswap_32(x) \
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((uint32_t)((((uint32_t)(x) & 0xff000000) >> 24) | (((uint32_t)(x) & 0x00ff0000) >> 8) | \
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(((uint32_t)(x) & 0x0000ff00) << 8) | (((uint32_t)(x) & 0x000000ff) << 24)))
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#define bswap_64(x) \
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((uint64_t)((((uint64_t)(x) & 0xff00000000000000ULL) >> 56) | (((uint64_t)(x) & 0x00ff000000000000ULL) >> 40) | \
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(((uint64_t)(x) & 0x0000ff0000000000ULL) >> 24) | (((uint64_t)(x) & 0x000000ff00000000ULL) >> 8) | \
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(((uint64_t)(x) & 0x00000000ff000000ULL) << 8) | (((uint64_t)(x) & 0x0000000000ff0000ULL) << 24) | \
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(((uint64_t)(x) & 0x000000000000ff00ULL) << 40) | (((uint64_t)(x) & 0x00000000000000ffULL) << 56)))
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#endif
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#endif // LIBAARUFORMAT_ENDIAN_H
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