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Diffstat (limited to 'Build/source/texk/web2c/xetexdir/XeTeXswap.h')
-rw-r--r-- | Build/source/texk/web2c/xetexdir/XeTeXswap.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/xetexdir/XeTeXswap.h b/Build/source/texk/web2c/xetexdir/XeTeXswap.h new file mode 100644 index 00000000000..ffdcc2e2a01 --- /dev/null +++ b/Build/source/texk/web2c/xetexdir/XeTeXswap.h @@ -0,0 +1,84 @@ +/****************************************************************************\ + Part of the XeTeX typesetting system + Copyright (c) 1994-2008 by SIL International + Copyright (c) 2009 by Jonathan Kew + + SIL Author(s): Jonathan Kew + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE +FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF +CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the copyright holders +shall not be used in advertising or otherwise to promote the sale, +use or other dealings in this Software without prior written +authorization from the copyright holders. +\****************************************************************************/ + +#ifndef __XeTeXswap_H +#define __XeTeXswap_H + +#include <unicode/platform.h> // ICU's platform.h defines U_IS_BIG_ENDIAN for us + +static inline uint16_t +SWAP16(const uint16_t p) +{ +#if U_IS_BIG_ENDIAN + return p; +#else + return (p >> 8) + (p << 8); +#endif +} + +static inline uint32_t +SWAP32(const uint32_t p) +{ +#if U_IS_BIG_ENDIAN + return p; +#else + return (p >> 24) + ((p >> 8) & 0x0000ff00) + ((p << 8) & 0x00ff0000) + (p << 24); +#endif +} + +#ifdef __cplusplus +static inline uint16_t +SWAP(uint16_t p) +{ + return SWAP16(p); +} + +static inline uint32_t +SWAP(uint32_t p) +{ + return SWAP32(p); +} + +static inline int16_t +SWAP(int16_t p) +{ + return (int16_t)SWAP16((uint16_t)p); +} + +static inline int32_t +SWAP(int32_t p) +{ + return (int32_t)SWAP32((uint32_t)p); +} +#endif + +#endif |