48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/* endian.h: Functions to convert between different byte orderings. */
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#ifndef _ENDIAN_H
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#define _ENDIAN_H
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#include <stdint.h>
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#define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
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#define BIG_ENDIAN __ORDER_BIG_ENDIAN__
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#define BYTE_ORDER __BYTE_ORDER__
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define be16toh(x) __builtin_bswap16(x)
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#define be32toh(x) __builtin_bswap32(x)
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#define be64toh(x) __builtin_bswap64(x)
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#define htobe16(x) __builtin_bswap16(x)
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#define htobe32(x) __builtin_bswap32(x)
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#define htobe64(x) __builtin_bswap64(x)
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#define htole16(x) (x)
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#define htole32(x) (x)
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#define htole64(x) (x)
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#define le16toh(x) (x)
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#define le32toh(x) (x)
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#define le64toh(x) (x)
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#else
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#define be16toh(x) (x)
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#define be32toh(x) (x)
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#define be64toh(x) (x)
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#define htobe16(x) (x)
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#define htobe32(x) (x)
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#define htobe64(x) (x)
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#define htole16(x) __builtin_bswap16(x)
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#define htole32(x) __builtin_bswap32(x)
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#define htole64(x) __builtin_bswap64(x)
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#define le16toh(x) __builtin_bswap16(x)
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#define le32toh(x) __builtin_bswap32(x)
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#define le64toh(x) __builtin_bswap64(x)
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#endif
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#endif
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