/usr/include/ClanLib-1.0/ClanLib/Core/IOData/cl_endian.h is in libclanlib-dev 1.0~svn3827-3build1.
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** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
//! clanCore="I/O Data"
//! header=core.h
#ifndef header_endian
#define header_endian
#ifdef CL_API_DLL
#ifdef CL_CORE_EXPORT
#define CL_API_CORE __declspec(dllexport)
#else
#define CL_API_CORE __declspec(dllimport)
#endif
#else
#define CL_API_CORE
#endif
#if _MSC_VER > 1000
#pragma once
#endif
//: Endianess management class.
//- !group=Core/IO Data!
//- !header=core.h!
//- <p>The CL_Endian class is used to convert between different endianess. There
//- are also a set of defines to the lazy developer:</p>
//- <p>#define SWAP_IF_BIG(i)<br>
//- #define SWAP_IF_LITTLE(i)<br>
//- #define SWAP_IF_BIG_ALOT(i, times)<br>
//- #define SWAP_IF_LITTLE_ALOT(i, times)<br>
//- #define IS_SYSTEM_64BIT()</p>
//- <p>Each of these defines call CL_Endian::is_system_big() and CL_Endian::swap.</p>
class CL_API_CORE CL_Endian
{
public:
//! Operations:
//: Swaps larger amounts of data between little and big endian.
//param data: Data to be swapped.
//param type_size: Size of datatype to be swapped.
//param total_times: Number of 'type_size' size data chunks to be swapped.
static void swap(void *data, int type_size, int total_times=1);
//! Attributes:
//: Returns true if big endian system.
//return: True if big endian system, false otherwise.
static bool is_system_big();
//: Returns true if 64 bit system.
//return: True if 64 bit, false otherwise.
static bool is_system_64bit();
};
// Defines to the lazy developer:
#define SWAP_IF_BIG(i) if (CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i))
#define SWAP_IF_LITTLE(i) if (!CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i))
#define SWAP_IF_BIG_ALOT(i, times) if (CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i), times)
#define SWAP_IF_LITTLE_ALOT(i, times) if (!CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i), times)
#define IS_SYSTEM_64BIT() CL_Endian::is_system_64bit()
#endif
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