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73 lines
2.2 KiB
73 lines
2.2 KiB
3 years ago
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/* Copyright (C) 1992-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _ENDIAN_H
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#define _ENDIAN_H 1
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#include <features.h>
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/* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER. */
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#include <bits/endian.h>
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#ifdef __USE_MISC
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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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#endif
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#if defined __USE_MISC && !defined __ASSEMBLER__
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/* Conversion interfaces. */
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# include <bits/byteswap.h>
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# include <bits/uintn-identity.h>
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define htobe16(x) __bswap_16 (x)
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# define htole16(x) __uint16_identity (x)
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# define be16toh(x) __bswap_16 (x)
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# define le16toh(x) __uint16_identity (x)
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# define htobe32(x) __bswap_32 (x)
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# define htole32(x) __uint32_identity (x)
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# define be32toh(x) __bswap_32 (x)
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# define le32toh(x) __uint32_identity (x)
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# define htobe64(x) __bswap_64 (x)
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# define htole64(x) __uint64_identity (x)
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# define be64toh(x) __bswap_64 (x)
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# define le64toh(x) __uint64_identity (x)
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# else
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# define htobe16(x) __uint16_identity (x)
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# define htole16(x) __bswap_16 (x)
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# define be16toh(x) __uint16_identity (x)
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# define le16toh(x) __bswap_16 (x)
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# define htobe32(x) __uint32_identity (x)
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# define htole32(x) __bswap_32 (x)
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# define be32toh(x) __uint32_identity (x)
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# define le32toh(x) __bswap_32 (x)
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# define htobe64(x) __uint64_identity (x)
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# define htole64(x) __bswap_64 (x)
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# define be64toh(x) __uint64_identity (x)
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# define le64toh(x) __bswap_64 (x)
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# endif
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#endif
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#endif /* endian.h */
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