mirror of
https://github.com/aaru-dps/aaruremote.git
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102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) Natalia Portillo
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#ifndef AARUREMOTE__ENDIAN_H_
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#define AARUREMOTE__ENDIAN_H_
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#if HAVE_ENDIAN_H
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#include <endian.h>
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#else
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#ifndef __BYTE_ORDER
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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#ifndef bswap_16
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#define bswap_16(x) ((uint16_t)((((uint16_t)(x)&0xff00) >> 8) | (((uint16_t)(x)&0x00ff) << 8)))
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#endif /* !bswap_16 */
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#ifndef bswap_32
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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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#endif /* !bswap_32 */
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#ifndef bswap_64
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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 /* !bswap_64 */
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#ifndef htobe16
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define htobe16(x) (x)
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#define htole16(x) bswap_16(x)
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#define be16toh(x) (x)
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#define le16toh(x) bswap_16(x)
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#else /* __BYTE_ORDER == __BIG_ENDIAN */
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#define htobe16(x) bswap_16(x)
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#define htole16(x) (x)
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#define be16toh(x) bswap_16(x)
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#define le16toh(x) (x)
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#endif /* __BYTE_ORDER == __BIG_ENDIAN */
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#endif /* !htobe16 */
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#ifndef htobe32
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define htobe32(x) (x)
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#define htole32(x) bswap_32(x)
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#define be32toh(x) (x)
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#define le32toh(x) bswap_32(x)
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#else /* __BYTE_ORDER == __BIG_ENDIAN */
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#define htobe32(x) bswap_32(x)
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#define htole32(x) (x)
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#define be32toh(x) bswap_32(x)
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#define le32toh(x) (x)
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#endif /* __BYTE_ORDER == __BIG_ENDIAN */
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#endif /* !htobe32 */
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#ifndef htobe64
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define htobe64(x) (x)
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#define htole64(x) bswap_64(x)
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#define be64toh(x) (x)
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#define le64toh(x) bswap_64(x)
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#else /* __BYTE_ORDER == __BIG_ENDIAN */
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#define htobe64(x) bswap_64(x)
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#define htole64(x) (x)
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#define be64toh(x) bswap_64(x)
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#define le64toh(x) (x)
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#endif /* __BYTE_ORDER == __BIG_ENDIAN */
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#endif /* !htobe64 */
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#endif
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#endif // AARUREMOTE__ENDIAN_H_
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