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author | Boris Kolpackov <boris@codesynthesis.com> | 2011-06-28 17:17:23 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2011-06-28 17:17:23 +0200 |
commit | b51965dddbed68f23c5e8c169c23c794313ce5f6 (patch) | |
tree | 37bbdf4e5b1cdd34ea0694a5abd1483d1de2b3af /cutl/details/boost/detail/endian.hpp | |
parent | 5f06e7e30e4f511ce2fb27c5feefa6aeb6f00841 (diff) |
Add boost subset as an implementation detail
Diffstat (limited to 'cutl/details/boost/detail/endian.hpp')
-rw-r--r-- | cutl/details/boost/detail/endian.hpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/cutl/details/boost/detail/endian.hpp b/cutl/details/boost/detail/endian.hpp new file mode 100644 index 0000000..ddd5553 --- /dev/null +++ b/cutl/details/boost/detail/endian.hpp @@ -0,0 +1,78 @@ +// Copyright 2005 Caleb Epstein +// Copyright 2006 John Maddock +// Copyright 2010 Rene Rivera +// Distributed under the Boost Software License, Version 1.0. (See accompany- +// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +/* + * Copyright (c) 1997 + * Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Silicon Graphics makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + */ + +/* + * Copyright notice reproduced from <cutl/details/boost/detail/limits.hpp>, from + * which this code was originally taken. + * + * Modified by Caleb Epstein to use <endian.h> with GNU libc and to + * defined the BOOST_ENDIAN macro. + */ + +#ifndef BOOST_DETAIL_ENDIAN_HPP +#define BOOST_DETAIL_ENDIAN_HPP + +// GNU libc offers the helpful header <endian.h> which defines +// __BYTE_ORDER + +#if defined (__GLIBC__) +# include <endian.h> +# if (__BYTE_ORDER == __LITTLE_ENDIAN) +# define BOOST_LITTLE_ENDIAN +# elif (__BYTE_ORDER == __BIG_ENDIAN) +# define BOOST_BIG_ENDIAN +# elif (__BYTE_ORDER == __PDP_ENDIAN) +# define BOOST_PDP_ENDIAN +# else +# error Unknown machine endianness detected. +# endif +# define BOOST_BYTE_ORDER __BYTE_ORDER +#elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN) || \ + defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__) || \ + defined(_STLP_BIG_ENDIAN) && !defined(_STLP_LITTLE_ENDIAN) +# define BOOST_BIG_ENDIAN +# define BOOST_BYTE_ORDER 4321 +#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) || \ + defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__) || \ + defined(_STLP_LITTLE_ENDIAN) && !defined(_STLP_BIG_ENDIAN) +# define BOOST_LITTLE_ENDIAN +# define BOOST_BYTE_ORDER 1234 +#elif defined(__sparc) || defined(__sparc__) \ + || defined(_POWER) || defined(__powerpc__) \ + || defined(__ppc__) || defined(__hpux) || defined(__hppa) \ + || defined(_MIPSEB) || defined(_POWER) \ + || defined(__s390__) +# define BOOST_BIG_ENDIAN +# define BOOST_BYTE_ORDER 4321 +#elif defined(__i386__) || defined(__alpha__) \ + || defined(__ia64) || defined(__ia64__) \ + || defined(_M_IX86) || defined(_M_IA64) \ + || defined(_M_ALPHA) || defined(__amd64) \ + || defined(__amd64__) || defined(_M_AMD64) \ + || defined(__x86_64) || defined(__x86_64__) \ + || defined(_M_X64) || defined(__bfin__) + +# define BOOST_LITTLE_ENDIAN +# define BOOST_BYTE_ORDER 1234 +#else +# error The file boost/detail/endian.hpp needs to be set up for your CPU type. +#endif + + +#endif |