kaguya
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
#ifndef _ENDIAN_H
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#define _ENDIAN_H
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#include <byteswap.h>
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#ifdef __GNUC__
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# define BYTE_ORDER __BYTE_ORDER__
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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 PDP_ENDIAN __ORDER_PDP_ENDIAN__
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# define __BYTE_ORDER __BYTE_ORDER__
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#ifndef __LITTLE_ENDIAN /* Linux kernel headers define this already */
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# define __LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
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#endif
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# define __BIG_ENDIAN __ORDER_BIG_ENDIAN__
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# define __PDP_ENDIAN __ORDER_PDP_ENDIAN__
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#else
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# error "Unsupported compiler"
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#endif
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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_t)(x)
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# define be16toh(x) __bswap_16(x)
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# define le16toh(x) (uint16_t)(x)
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# define htobe32(x) __bswap_32(x)
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# define htole32(x) (uint32_t)(x)
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# define be32toh(x) __bswap_32(x)
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# define le32toh(x) (uint32_t)(x)
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# define htobe64(x) __bswap_64(x)
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# define htole64(x) (uint64_t)(x)
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# define be64toh(x) __bswap_64(x)
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# define le64toh(x) (uint64_t)(x)
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#else
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# define htobe16(x) (uint16_t)(x)
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# define htole16(x) __bswap_16(x)
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# define be16toh(x) (uint16_t)(x)
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# define le16toh(x) __bswap_16(x)
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# define htobe32(x) (uint32_t)(x)
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# define htole32(x) __bswap_32(x)
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# define be32toh(x) (uint32_t)(x)
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# define le32toh(x) __bswap_32(x)
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# define htobe64(x) (uint64_t)(x)
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# define htole64(x) __bswap_64(x)
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# define be64toh(x) (uint64_t)(x)
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# define le64toh(x) __bswap_64(x)
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#endif
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#endif /* _ENDIAN_H */
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