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config.hpp

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00001 /*
00002  * Copyright (C) 2008   Alex Shulgin
00003  *
00004  * This file is part of png++ the C++ wrapper for libpng.  PNG++ is free
00005  * software; the exact copying conditions are as follows:
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are met:
00009  *
00010  * 1. Redistributions of source code must retain the above copyright notice,
00011  * this list of conditions and the following disclaimer.
00012  *
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  * notice, this list of conditions and the following disclaimer in the
00015  * documentation and/or other materials provided with the distribution.
00016  *
00017  * 3. The name of the author may not be used to endorse or promote products
00018  * derived from this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00021  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00022  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00023  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00024  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00025  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00026  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00027  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00028  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030  */
00031 #ifndef PNGPP_CONFIG_HPP_INCLUDED
00032 #define PNGPP_CONFIG_HPP_INCLUDED
00033 
00034 // Endianness test
00035 #if defined(__GLIBC__)
00036 
00037 #include <endian.h>
00038 
00039 #elif defined(__WIN32)
00040 
00041 #define __LITTLE_ENDIAN 1234
00042 #define __BIG_ENDIAN    4321
00043 #define __BYTE_ORDER __LITTLE_ENDIAN
00044 
00045 #elif defined(__APPLE__)
00046 
00047 #include <machine/endian.h>
00048 #include <sys/_endian.h>
00049 
00050 #elif defined(__FreeBSD__)
00051 
00052 #include <machine/endian.h>
00053 #include <sys/endian.h>
00054 
00055 #else
00056 
00057 #error Byte-order could not be detected.
00058 
00059 #endif
00060 
00061 #endif // PNGPP_CONFIG_HPP_INCLUDED

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