101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
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/* CWPack - cwpack_config.h */
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/*
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The MIT License (MIT)
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Copyright (c) 2017 Claes Wihlborg
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Permission is hereby granted, free of charge, to any person obtaining a copy of this
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software and associated documentation files (the "Software"), to deal in the Software
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without restriction, including without limitation the rights to use, copy, modify,
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merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit
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persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or
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substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef cwpack_config_h
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#define cwpack_config_h
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/************************* A L I G N M E N T ******************************/
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/*
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* Some processors demand that integer access is to an even memory address.
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* In that case define FORCE_ALIGNMENT
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*/
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/* #define FORCE_ALIGNMENT */
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/*
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* Some processors demand that 64 bit integer access is aligned.
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* In that case define FORCE_ALIGNMENT_64BIT
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*/
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/* #define FORCE_ALIGNMENT_64BIT */
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/************************* C S Y S T E M L I B R A R Y ****************/
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/*
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* The packer uses "memcpy" to move blobs. If you dont want to load C system library
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* for just that, define FORCE_NO_LIBRARY and CWPack will use an internal "memcpy"
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*/
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/* #define FORCE_NO_LIBRARY */
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/************************* B Y T E O R D E R ****************************/
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/*
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* The pack/unpack routines are written in three versions: for big endian, for
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* little endian and insensitive to byte order. As you can get some speed gain
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* if the byte order is known, we try that when we can certainly detect it.
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* Define COMPILE_FOR_BIG_ENDIAN or COMPILE_FOR_LITTLE_ENDIAN if you know.
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*/
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#ifndef FORCE_ALIGNMENT
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#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && defined(__ORDER_BIG_ENDIAN__)
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#define COMPILE_FOR_BIG_ENDIAN
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#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#define COMPILE_FOR_LITTLE_ENDIAN
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#endif
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#elif defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define COMPILE_FOR_BIG_ENDIAN
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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#define COMPILE_FOR_LITTLE_ENDIAN
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#endif
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#elif defined(__BIG_ENDIAN__)
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#define COMPILE_FOR_BIG_ENDIAN
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#elif defined(__LITTLE_ENDIAN__)
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#define COMPILE_FOR_LITTLE_ENDIAN
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#elif defined(__i386__) || defined(__x86_64__)
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#define COMPILE_FOR_LITTLE_ENDIAN
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#endif
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#endif
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//#undef COMPILE_FOR_LITTLE_ENDIAN
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#endif /* cwpack_config_h */
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