00001 /* 00002 ** ClanLib SDK 00003 ** Copyright (c) 1997-2011 The ClanLib Team 00004 ** 00005 ** This software is provided 'as-is', without any express or implied 00006 ** warranty. In no event will the authors be held liable for any damages 00007 ** arising from the use of this software. 00008 ** 00009 ** Permission is granted to anyone to use this software for any purpose, 00010 ** including commercial applications, and to alter it and redistribute it 00011 ** freely, subject to the following restrictions: 00012 ** 00013 ** 1. The origin of this software must not be misrepresented; you must not 00014 ** claim that you wrote the original software. If you use this software 00015 ** in a product, an acknowledgment in the product documentation would be 00016 ** appreciated but is not required. 00017 ** 2. Altered source versions must be plainly marked as such, and must not be 00018 ** misrepresented as being the original software. 00019 ** 3. This notice may not be removed or altered from any source distribution. 00020 ** 00021 ** Note: Some of the libraries ClanLib may link to may have additional 00022 ** requirements or restrictions. 00023 ** 00024 ** File Author(s): 00025 ** 00026 ** Magnus Norddahl 00027 ** (if your name is missing here, please add it) 00028 */ 00029 00032 00033 #pragma once 00034 00035 #include "../api_core.h" 00036 00048 class CL_API_CORE CL_Endian 00049 { 00050 public: 00053 00059 static void swap(void *data, int type_size, int total_times=1); 00060 00064 00066 00067 static bool is_system_big(); 00068 00070 00071 static bool is_system_64bit(); 00073 }; 00074 00075 // Defines to the lazy developer: 00076 #define SWAP_IF_BIG(i) if (CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i)) 00077 #define SWAP_IF_LITTLE(i) if (!CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i)) 00078 00079 #define SWAP_IF_BIG_ALOT(i, times) if (CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i), times) 00080 #define SWAP_IF_LITTLE_ALOT(i, times) if (!CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i), times) 00081 00082 #define IS_SYSTEM_64BIT() CL_Endian::is_system_64bit() 00083