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44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* COPYRIGHT (c) 2017 Obsidian Research Corporation.
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Licensed under BSD (MIT variant) or GPLv2. See COPYING. */
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#ifndef _SPARSE_ENDIAN_H_
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#define _SPARSE_ENDIAN_H_
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#include_next <endian.h>
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#include <util/compiler.h>
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#undef htobe16
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#undef htole16
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#undef be16toh
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#undef le16toh
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#undef htobe32
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#undef htole32
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#undef be32toh
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#undef le32toh
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#undef htobe64
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#undef htole64
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#undef be64toh
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#undef le64toh
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/* These do not actually work, but this trivially ensures that sparse sees all
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* the types. */
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#define htobe16(x) ((__force __be16)__builtin_bswap16(x))
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#define htole16(x) ((__force __le16)__builtin_bswap16(x))
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#define be16toh(x) ((uint16_t)__builtin_bswap16((__force uint16_t)(__be16)(x)))
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#define le16toh(x) ((uint16_t)__builtin_bswap16((__force uint16_t)(__le16)(x)))
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#define htobe32(x) ((__force __be32)__builtin_bswap32(x))
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#define htole32(x) ((__force __le32)__builtin_bswap32(x))
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#define be32toh(x) ((uint32_t)__builtin_bswap32((__force uint32_t)(__be32)(x)))
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#define le32toh(x) ((uint32_t)__builtin_bswap32((__force uint32_t)(__le32)(x)))
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#define htobe64(x) ((__force __be64)__builtin_bswap64(x))
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#define htole64(x) ((__force __le64)__builtin_bswap64(x))
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#define be64toh(x) ((uint64_t)__builtin_bswap64((__force uint64_t)(__be64)(x)))
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#define le64toh(x) ((uint64_t)__builtin_bswap64((__force uint64_t)(__le64)(x)))
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#endif
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