Mercurial > hg > orthanc
diff Core/Endianness.h @ 1938:48ad54f7b21f
endianness
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 25 Mar 2016 10:24:51 +0100 |
parents | |
children | d80a4fe8ffcc |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Endianness.h Fri Mar 25 10:24:51 2016 +0100 @@ -0,0 +1,108 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + + +/******************************************************************** + ** LINUX ARCHITECTURES + ********************************************************************/ + +#if defined(__linux) +# include <endian.h> +#endif + + +/******************************************************************** + ** WINDOWS ARCHITECTURES + ** + ** On Windows, "host" will always be little-endian ("le"). + ********************************************************************/ + +#if defined(_WIN32) +#include <winsock2.h> +# if defined(_MSC_VER) +// http://msdn.microsoft.com/en-us/library/a3140177.aspx +# define be16toh(x) _byteswap_ushort(x) +# define be32toh(x) _byteswap_ulong(x) +# define be64toh(x) _byteswap_uint64(x) +# else // MinGW +# define be16toh(x) __builtin_bswap16(x) +# define be32toh(x) __builtin_bswap32(x) +# define be64toh(x) __builtin_bswap64(x) +# endif + +# define htobe16(x) be16toh(x) +# define htobe32(x) be32toh(x) +# define htobe64(x) be64toh(x) + +# define htole16(x) x +# define htole32(x) x +# define htole64(x) x + +# define le16toh(x) x +# define le32toh(x) x +# define le64toh(x) x +#endif + + +/******************************************************************** + ** FREEBSD ARCHITECTURES + ********************************************************************/ + +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) +# include <arpa/inet.h> +#endif + + +/******************************************************************** + ** APPLE ARCHITECTURES (including OS X) + ********************************************************************/ + +#if defined(__APPLE__) +# include <libkern/OSByteOrder.h> +# define be16toh(x) OSSwapBigToHostInt16(x) +# define be32toh(x) OSSwapBigToHostInt32(x) +# define be64toh(x) OSSwapBigToHostInt64(x) + +# define htobe16(x) OSSwapHostToBigInt16(x) +# define htobe32(x) OSSwapHostToBigInt32(x) +# define htobe64(x) OSSwapHostToBigInt64(x) + +# define htole16(x) OSSwapHostToLittleInt16(x) +# define htole32(x) OSSwapHostToLittleInt32(x) +# define htole64(x) OSSwapHostToLittleInt64(x) + +# define le16toh(x) OSSwapLittleToHostInt16(x) +# define le32toh(x) OSSwapLittleToHostInt32(x) +# define le64toh(x) OSSwapLittleToHostInt64(x) +#endif