redefined byte swap and endian conversion routines
This commit is contained in:
@ -30,72 +30,337 @@
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#include <qse/types.h>
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#include <qse/macros.h>
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#define QSE_CONST_SWAP16(x) \
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((qse_uint16_t)((((qse_uint16_t)(x) & (qse_uint16_t)0x00ffU) << 8) | \
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(((qse_uint16_t)(x) & (qse_uint16_t)0xff00U) >> 8) ))
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#define QSE_CONST_BSWAP16(x) \
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((qse_uint16_t)((((qse_uint16_t)(x) & ((qse_uint16_t)0xff << 0)) << 8) | \
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(((qse_uint16_t)(x) & ((qse_uint16_t)0xff << 8)) >> 8)))
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#define QSE_CONST_SWAP32(x) \
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((qse_uint32_t)((((qse_uint32_t)(x) & (qse_uint32_t)0x000000ffUL) << 24) | \
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(((qse_uint32_t)(x) & (qse_uint32_t)0x0000ff00UL) << 8) | \
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(((qse_uint32_t)(x) & (qse_uint32_t)0x00ff0000UL) >> 8) | \
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(((qse_uint32_t)(x) & (qse_uint32_t)0xff000000UL) >> 24) ))
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#define QSE_CONST_BSWAP32(x) \
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((qse_uint32_t)((((qse_uint32_t)(x) & ((qse_uint32_t)0xff << 0)) << 24) | \
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(((qse_uint32_t)(x) & ((qse_uint32_t)0xff << 8)) << 8) | \
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(((qse_uint32_t)(x) & ((qse_uint32_t)0xff << 16)) >> 8) | \
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(((qse_uint32_t)(x) & ((qse_uint32_t)0xff << 24)) >> 24)))
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#if defined(QSE_HAVE_UINT64_T)
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#define QSE_CONST_BSWAP64(x) \
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((qse_uint64_t)((((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 0)) << 56) | \
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(((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 8)) << 40) | \
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(((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 16)) << 24) | \
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(((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 24)) << 8) | \
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(((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 32)) >> 8) | \
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(((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 40)) >> 24) | \
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(((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 48)) >> 40) | \
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(((qse_uint64_t)(x) & ((qse_uint64_t)0xff << 56)) >> 56)))
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#endif
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#if defined(QSE_HAVE_UINT128_T)
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#define QSE_CONST_BSWAP128(x) \
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((qse_uint128_t)((((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 0)) << 120) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 8)) << 104) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 16)) << 88) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 24)) << 72) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 32)) << 56) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 40)) << 40) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 48)) << 24) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 56)) << 8) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 64)) >> 8) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 72)) >> 24) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 80)) >> 40) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 88)) >> 56) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 96)) >> 72) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 104)) >> 88) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 112)) >> 104) | \
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(((qse_uint128_t)(x) & ((qse_uint128_t)0xff << 120)) >> 120)))
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#endif
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#if defined(QSE_ENDIAN_LITTLE)
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# define QSE_CONST_NTOH16(x) QSE_CONST_SWAP16(x)
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# define QSE_CONST_HTON16(x) QSE_CONST_SWAP16(x)
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# define QSE_CONST_NTOH32(x) QSE_CONST_SWAP32(x)
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# define QSE_CONST_HTON32(x) QSE_CONST_SWAP32(x)
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# if defined(QSE_HAVE_UINT16_T)
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# define QSE_CONST_NTOH16(x) QSE_CONST_BSWAP16(x)
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# define QSE_CONST_HTON16(x) QSE_CONST_BSWAP16(x)
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# define QSE_CONST_HTOBE16(x) QSE_CONST_BSWAP16(x)
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# define QSE_CONST_HTOLE16(x) (x)
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# define QSE_CONST_BE16TOH(x) QSE_CONST_BSWAP16(x)
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# define QSE_CONST_LE16TOH(x) (x)
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# endif
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# if defined(QSE_HAVE_UINT32_T)
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# define QSE_CONST_NTOH32(x) QSE_CONST_BSWAP32(x)
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# define QSE_CONST_HTON32(x) QSE_CONST_BSWAP32(x)
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# define QSE_CONST_HTOBE32(x) QSE_CONST_BSWAP32(x)
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# define QSE_CONST_HTOLE32(x) (x)
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# define QSE_CONST_BE32TOH(x) QSE_CONST_BSWAP32(x)
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# define QSE_CONST_LE32TOH(x) (x)
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# endif
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# if defined(QSE_HAVE_UINT64_T)
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# define QSE_CONST_NTOH64(x) QSE_CONST_BSWAP64(x)
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# define QSE_CONST_HTON64(x) QSE_CONST_BSWAP64(x)
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# define QSE_CONST_HTOBE64(x) QSE_CONST_BSWAP64(x)
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# define QSE_CONST_HTOLE64(x) (x)
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# define QSE_CONST_BE64TOH(x) QSE_CONST_BSWAP64(x)
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# define QSE_CONST_LE64TOH(x) (x)
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# endif
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# if defined(QSE_HAVE_UINT128_T)
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# define QSE_CONST_NTOH128(x) QSE_CONST_BSWAP128(x)
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# define QSE_CONST_HTON128(x) QSE_CONST_BSWAP128(x)
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# define QSE_CONST_HTOBE128(x) QSE_CONST_BSWAP128(x)
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# define QSE_CONST_HTOLE128(x) (x)
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# define QSE_CONST_BE128TOH(x) QSE_CONST_BSWAP128(x)
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# define QSE_CONST_LE128TOH(x) (x)
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#endif
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#elif defined(QSE_ENDIAN_BIG)
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# define QSE_CONST_NTOH16(x) (x)
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# define QSE_CONST_HTON16(x) (x)
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# define QSE_CONST_NTOH32(x) (x)
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# define QSE_CONST_HTON32(x) (x)
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# if defined(QSE_HAVE_UINT16_T)
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# define QSE_CONST_NTOH16(x) (x)
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# define QSE_CONST_HTON16(x) (x)
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# define QSE_CONST_HTOBE16(x) (x)
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# define QSE_CONST_HTOLE16(x) QSE_CONST_BSWAP16(x)
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# define QSE_CONST_BE16TOH(x) (x)
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# define QSE_CONST_LE16TOH(x) QSE_CONST_BSWAP16(x)
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# endif
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# if defined(QSE_HAVE_UINT32_T)
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# define QSE_CONST_NTOH32(x) (x)
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# define QSE_CONST_HTON32(x) (x)
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# define QSE_CONST_HTOBE32(x) (x)
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# define QSE_CONST_HTOLE32(x) QSE_CONST_BSWAP32(x)
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# define QSE_CONST_BE32TOH(x) (x)
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# define QSE_CONST_LE32TOH(x) QSE_CONST_BSWAP32(x)
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# endif
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# if defined(QSE_HAVE_UINT64_T)
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# define QSE_CONST_NTOH64(x) (x)
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# define QSE_CONST_HTON64(x) (x)
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# define QSE_CONST_HTOBE64(x) (x)
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# define QSE_CONST_HTOLE64(x) QSE_CONST_BSWAP64(x)
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# define QSE_CONST_BE64TOH(x) (x)
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# define QSE_CONST_LE64TOH(x) QSE_CONST_BSWAP64(x)
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# endif
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# if defined(QSE_HAVE_UINT128_T)
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# define QSE_CONST_NTOH128(x) (x)
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# define QSE_CONST_HTON128(x) (x)
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# define QSE_CONST_HTOBE128(x) (x)
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# define QSE_CONST_HTOLE128(x) QSE_CONST_BSWAP128(x)
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# define QSE_CONST_BE128TOH(x) (x)
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# define QSE_CONST_LE128TOH(x) QSE_CONST_BSWAP128(x)
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# endif
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#else
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# error UNKNOWN ENDIAN
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# error UNKNOWN ENDIAN
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#if defined(QSE_HAVE_UINT16_T)
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QSE_EXPORT qse_uint16_t qse_ntoh16 (
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qse_uint16_t x
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);
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#if defined(QSE_HAVE_INLINE)
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QSE_EXPORT qse_uint16_t qse_hton16 (
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qse_uint16_t x
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);
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#if defined(QSE_HAVE_UINT16_T)
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static QSE_INLINE qse_uint16_t qse_bswap16 (qse_uint16_t x)
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{
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#if defined(QSE_HAVE_BUILTIN_BSWAP16)
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return __builtin_bswap16(x);
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#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
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__asm__ volatile ("xchgb %b0, %h0" : "=Q"(x): "0"(x));
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return x;
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#else
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return (x << 8) | (x >> 8);
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#endif
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}
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#endif
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#if defined(QSE_HAVE_UINT32_T)
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QSE_EXPORT qse_uint32_t qse_ntoh32 (
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qse_uint32_t x
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);
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QSE_EXPORT qse_uint32_t qse_hton32 (
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qse_uint32_t x
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);
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static QSE_INLINE qse_uint32_t qse_bswap32 (qse_uint32_t x)
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{
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#if defined(QSE_HAVE_BUILTIN_BSWAP32)
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return __builtin_bswap32(x);
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#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
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__asm__ volatile ("bswapl %0" : "=r"(x) : "0"(x));
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return x;
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#else
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return ((x >> 24)) |
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((x >> 8) & ((qse_uint32_t)0xff << 8)) |
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((x << 8) & ((qse_uint32_t)0xff << 16)) |
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((x << 24));
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#endif
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}
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#endif
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#if defined(QSE_HAVE_UINT64_T)
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QSE_EXPORT qse_uint64_t qse_ntoh64 (
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qse_uint64_t x
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);
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QSE_EXPORT qse_uint64_t qse_hton64 (
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qse_uint64_t x
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);
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static QSE_INLINE qse_uint64_t qse_bswap64 (qse_uint64_t x)
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{
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#if defined(QSE_HAVE_BUILTIN_BSWAP64)
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return __builtin_bswap64(x);
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#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64))
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__asm__ volatile ("bswapq %0" : "=r"(x) : "0"(x));
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return x;
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#else
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return ((x >> 56)) |
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((x >> 40) & ((qse_uint64_t)0xff << 8)) |
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((x >> 24) & ((qse_uint64_t)0xff << 16)) |
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((x >> 8) & ((qse_uint64_t)0xff << 24)) |
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((x << 8) & ((qse_uint64_t)0xff << 32)) |
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((x << 24) & ((qse_uint64_t)0xff << 40)) |
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((x << 40) & ((qse_uint64_t)0xff << 48)) |
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((x << 56));
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#endif
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}
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#endif
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#if defined(QSE_HAVE_UINT128_T)
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QSE_EXPORT qse_uint128_t qse_ntoh128 (
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qse_uint128_t x
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);
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static QSE_INLINE qse_uint128_t qse_bswap128 (qse_uint128_t x)
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{
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#if defined(QSE_HAVE_BUILTIN_BSWAP128)
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return __builtin_bswap128(x);
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#else
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return ((x >> 120)) |
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((x >> 104) & ((qse_uint128_t)0xff << 8)) |
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((x >> 88) & ((qse_uint128_t)0xff << 16)) |
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((x >> 72) & ((qse_uint128_t)0xff << 24)) |
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((x >> 56) & ((qse_uint128_t)0xff << 32)) |
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((x >> 40) & ((qse_uint128_t)0xff << 40)) |
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((x >> 24) & ((qse_uint128_t)0xff << 48)) |
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((x >> 8) & ((qse_uint128_t)0xff << 56)) |
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((x << 8) & ((qse_uint128_t)0xff << 64)) |
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((x << 24) & ((qse_uint128_t)0xff << 72)) |
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((x << 40) & ((qse_uint128_t)0xff << 80)) |
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((x << 56) & ((qse_uint128_t)0xff << 88)) |
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((x << 72) & ((qse_uint128_t)0xff << 96)) |
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((x << 88) & ((qse_uint128_t)0xff << 104)) |
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((x << 104) & ((qse_uint128_t)0xff << 112)) |
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((x << 120));
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#endif
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}
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#endif
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QSE_EXPORT qse_uint128_t qse_hton128 (
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qse_uint128_t x
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);
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#else
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#if defined(QSE_HAVE_UINT16_T)
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# define qse_bswap16(x) ((qse_uint16_t)(((qse_uint16_t)(x)) << 8) | (((qse_uint16_t)(x)) >> 8))
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#endif
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#if defined(QSE_HAVE_UINT32_T)
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# define qse_bswap32(x) ((qse_uint32_t)(((((qse_uint32_t)(x)) >> 24)) | \
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((((qse_uint32_t)(x)) >> 8) & ((qse_uint32_t)0xff << 8)) | \
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((((qse_uint32_t)(x)) << 8) & ((qse_uint32_t)0xff << 16)) | \
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((((qse_uint32_t)(x)) << 24))))
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#endif
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#if defined(QSE_HAVE_UINT64_T)
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# define qse_bswap64(x) ((qse_uint64_t)(((((qse_uint64_t)(x)) >> 56)) | \
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((((qse_uint64_t)(x)) >> 40) & ((qse_uint64_t)0xff << 8)) | \
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((((qse_uint64_t)(x)) >> 24) & ((qse_uint64_t)0xff << 16)) | \
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((((qse_uint64_t)(x)) >> 8) & ((qse_uint64_t)0xff << 24)) | \
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((((qse_uint64_t)(x)) << 8) & ((qse_uint64_t)0xff << 32)) | \
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((((qse_uint64_t)(x)) << 24) & ((qse_uint64_t)0xff << 40)) | \
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((((qse_uint64_t)(x)) << 40) & ((qse_uint64_t)0xff << 48)) | \
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((((qse_uint64_t)(x)) << 56))))
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#endif
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#if defined(QSE_HAVE_UINT128_T)
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# define qse_bswap128(x) ((qse_uint128_t)(((((qse_uint128_t)(x)) >> 120)) | \
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((((qse_uint128_t)(x)) >> 104) & ((qse_uint128_t)0xff << 8)) | \
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((((qse_uint128_t)(x)) >> 88) & ((qse_uint128_t)0xff << 16)) | \
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((((qse_uint128_t)(x)) >> 72) & ((qse_uint128_t)0xff << 24)) | \
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((((qse_uint128_t)(x)) >> 56) & ((qse_uint128_t)0xff << 32)) | \
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((((qse_uint128_t)(x)) >> 40) & ((qse_uint128_t)0xff << 40)) | \
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((((qse_uint128_t)(x)) >> 24) & ((qse_uint128_t)0xff << 48)) | \
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((((qse_uint128_t)(x)) >> 8) & ((qse_uint128_t)0xff << 56)) | \
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((((qse_uint128_t)(x)) << 8) & ((qse_uint128_t)0xff << 64)) | \
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((((qse_uint128_t)(x)) << 24) & ((qse_uint128_t)0xff << 72)) | \
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((((qse_uint128_t)(x)) << 40) & ((qse_uint128_t)0xff << 80)) | \
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((((qse_uint128_t)(x)) << 56) & ((qse_uint128_t)0xff << 88)) | \
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((((qse_uint128_t)(x)) << 72) & ((qse_uint128_t)0xff << 96)) | \
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((((qse_uint128_t)(x)) << 88) & ((qse_uint128_t)0xff << 104)) | \
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((((qse_uint128_t)(x)) << 104) & ((qse_uint128_t)0xff << 112)) | \
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((((qse_uint128_t)(x)) << 120))))
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#endif
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#endif /* QSE_HAVE_INLINE */
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#if defined(QSE_ENDIAN_LITTLE)
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# if defined(QSE_HAVE_UINT16_T)
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# define qse_hton16(x) qse_bswap16(x)
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# define qse_ntoh16(x) qse_bswap16(x)
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# define qse_htobe16(x) qse_bswap16(x)
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# define qse_be16toh(x) qse_bswap16(x)
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# define qse_htole16(x) ((qse_uint16_t)(x))
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# define qse_le16toh(x) ((qse_uint16_t)(x))
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# endif
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# if defined(QSE_HAVE_UINT32_T)
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# define qse_hton32(x) qse_bswap32(x)
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# define qse_ntoh32(x) qse_bswap32(x)
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# define qse_htobe32(x) qse_bswap32(x)
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# define qse_be32toh(x) qse_bswap32(x)
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# define qse_htole32(x) ((qse_uint32_t)(x))
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# define qse_le32toh(x) ((qse_uint32_t)(x))
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# endif
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# if defined(QSE_HAVE_UINT64_T)
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# define qse_hton64(x) qse_bswap64(x)
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# define qse_ntoh64(x) qse_bswap64(x)
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# define qse_htobe64(x) qse_bswap64(x)
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# define qse_be64toh(x) qse_bswap64(x)
|
||||
# define qse_htole64(x) ((qse_uint64_t)(x))
|
||||
# define qse_le64toh(x) ((qse_uint64_t)(x))
|
||||
# endif
|
||||
|
||||
# if defined(QSE_HAVE_UINT128_T)
|
||||
|
||||
# define qse_hton128(x) qse_bswap128(x)
|
||||
# define qse_ntoh128(x) qse_bswap128(x)
|
||||
# define qse_htobe128(x) qse_bswap128(x)
|
||||
# define qse_be128toh(x) qse_bswap128(x)
|
||||
# define qse_htole128(x) ((qse_uint128_t)(x))
|
||||
# define qse_le128toh(x) ((qse_uint128_t)(x))
|
||||
# endif
|
||||
|
||||
#elif defined(QSE_ENDIAN_BIG)
|
||||
|
||||
# if defined(QSE_HAVE_UINT16_T)
|
||||
# define qse_hton16(x) ((qse_uint16_t)(x))
|
||||
# define qse_ntoh16(x) ((qse_uint16_t)(x))
|
||||
# define qse_htobe16(x) ((qse_uint16_t)(x))
|
||||
# define qse_be16toh(x) ((qse_uint16_t)(x))
|
||||
# define qse_htole16(x) qse_bswap16(x)
|
||||
# define qse_le16toh(x) qse_bswap16(x)
|
||||
# endif
|
||||
|
||||
# if defined(QSE_HAVE_UINT32_T)
|
||||
# define qse_hton32(x) ((qse_uint32_t)(x))
|
||||
# define qse_ntoh32(x) ((qse_uint32_t)(x))
|
||||
# define qse_htobe32(x) ((qse_uint32_t)(x))
|
||||
# define qse_be32toh(x) ((qse_uint32_t)(x))
|
||||
# define qse_htole32(x) qse_bswap32(x)
|
||||
# define qse_le32toh(x) qse_bswap32(x)
|
||||
# endif
|
||||
|
||||
# if defined(QSE_HAVE_UINT64_T)
|
||||
# define qse_hton64(x) ((qse_uint64_t)(x))
|
||||
# define qse_ntoh64(x) ((qse_uint64_t)(x))
|
||||
# define qse_htobe64(x) ((qse_uint64_t)(x))
|
||||
# define qse_be64toh(x) ((qse_uint64_t)(x))
|
||||
# define qse_htole64(x) qse_bswap64(x)
|
||||
# define qse_le64toh(x) qse_bswap64(x)
|
||||
# endif
|
||||
|
||||
# if defined(QSE_HAVE_UINT128_T)
|
||||
# define qse_hton128(x) ((qse_uint128_t)(x))
|
||||
# define qse_ntoh128(x) ((qse_uint128_t)(x))
|
||||
# define qse_htobe128(x) ((qse_uint128_t)(x))
|
||||
# define qse_be128toh(x) ((qse_uint128_t)(x))
|
||||
# define qse_htole128(x) qse_bswap128(x)
|
||||
# define qse_le128toh(x) qse_bswap128(x)
|
||||
# endif
|
||||
|
||||
#else
|
||||
# error UNKNOWN ENDIAN
|
||||
#endif
|
||||
|
||||
#if defined(__cplusplus)
|
||||
|
||||
Reference in New Issue
Block a user