210 lines
5.4 KiB
C
210 lines
5.4 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2006-2014 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <qse/cmn/hton.h>
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/* --------------------------------------------------------------- */
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#if defined(QSE_HAVE_UINT16_T)
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qse_uint16_t qse_ntoh16 (qse_uint16_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint16_t)(
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((qse_uint16_t)c[0] << 8) |
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((qse_uint16_t)c[1] << 0));
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#else
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# error Unknown endian
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#endif
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}
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qse_uint16_t qse_hton16 (qse_uint16_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint16_t)(
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((qse_uint16_t)c[0] << 8) |
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((qse_uint16_t)c[1] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* --------------------------------------------------------------- */
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#if defined(QSE_HAVE_UINT32_T)
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qse_uint32_t qse_ntoh32 (qse_uint32_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint32_t)(
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((qse_uint32_t)c[0] << 24) |
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((qse_uint32_t)c[1] << 16) |
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((qse_uint32_t)c[2] << 8) |
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((qse_uint32_t)c[3] << 0));
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#else
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# error Unknown endian
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#endif
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}
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qse_uint32_t qse_hton32 (qse_uint32_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint32_t)(
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((qse_uint32_t)c[0] << 24) |
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((qse_uint32_t)c[1] << 16) |
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((qse_uint32_t)c[2] << 8) |
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((qse_uint32_t)c[3] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* --------------------------------------------------------------- */
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#if defined(QSE_HAVE_UINT64_T)
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qse_uint64_t qse_ntoh64 (qse_uint64_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint64_t)(
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((qse_uint64_t)c[0] << 56) |
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((qse_uint64_t)c[1] << 48) |
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((qse_uint64_t)c[2] << 40) |
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((qse_uint64_t)c[3] << 32) |
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((qse_uint64_t)c[4] << 24) |
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((qse_uint64_t)c[5] << 16) |
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((qse_uint64_t)c[6] << 8) |
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((qse_uint64_t)c[7] << 0));
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#else
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# error Unknown endian
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#endif
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}
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qse_uint64_t qse_hton64 (qse_uint64_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint64_t)(
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((qse_uint64_t)c[0] << 56) |
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((qse_uint64_t)c[1] << 48) |
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((qse_uint64_t)c[2] << 40) |
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((qse_uint64_t)c[3] << 32) |
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((qse_uint64_t)c[4] << 24) |
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((qse_uint64_t)c[5] << 16) |
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((qse_uint64_t)c[6] << 8) |
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((qse_uint64_t)c[7] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* --------------------------------------------------------------- */
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#if defined(QSE_HAVE_UINT128_T)
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qse_uint128_t qse_ntoh128 (qse_uint128_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint128_t)(
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((qse_uint128_t)c[0] << 120) |
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((qse_uint128_t)c[1] << 112) |
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((qse_uint128_t)c[2] << 104) |
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((qse_uint128_t)c[3] << 96) |
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((qse_uint128_t)c[4] << 88) |
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((qse_uint128_t)c[5] << 80) |
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((qse_uint128_t)c[6] << 72) |
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((qse_uint128_t)c[7] << 64) |
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((qse_uint128_t)c[8] << 56) |
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((qse_uint128_t)c[9] << 48) |
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((qse_uint128_t)c[10] << 40) |
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((qse_uint128_t)c[11] << 32) |
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((qse_uint128_t)c[12] << 24) |
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((qse_uint128_t)c[13] << 16) |
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((qse_uint128_t)c[14] << 8) |
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((qse_uint128_t)c[15] << 0));
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#else
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# error Unknown endian
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#endif
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}
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qse_uint128_t qse_hton128 (qse_uint128_t x)
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{
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#if defined(QSE_ENDIAN_BIG)
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return x;
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#elif defined(QSE_ENDIAN_LITTLE)
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qse_uint8_t* c = (qse_uint8_t*)&x;
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return (qse_uint128_t)(
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((qse_uint128_t)c[0] << 120) |
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((qse_uint128_t)c[1] << 112) |
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((qse_uint128_t)c[2] << 104) |
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((qse_uint128_t)c[3] << 96) |
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((qse_uint128_t)c[4] << 88) |
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((qse_uint128_t)c[5] << 80) |
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((qse_uint128_t)c[6] << 72) |
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((qse_uint128_t)c[7] << 64) |
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((qse_uint128_t)c[8] << 56) |
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((qse_uint128_t)c[9] << 48) |
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((qse_uint128_t)c[10] << 40) |
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((qse_uint128_t)c[11] << 32) |
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((qse_uint128_t)c[12] << 24) |
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((qse_uint128_t)c[13] << 16) |
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((qse_uint128_t)c[14] << 8) |
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((qse_uint128_t)c[15] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* --------------------------------------------------------------- */
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