ClanLib  2.3.7
cl_endian.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
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7 ** arising from the use of this software.
8 **
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10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
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18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
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23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 ** (if your name is missing here, please add it)
28 */
29 
32 
33 #pragma once
34 
35 #include "../api_core.h"
36 
49 {
50 public:
53 
59  static void swap(void *data, int type_size, int total_times=1);
60 
64 
66 
67  static bool is_system_big();
68 
70 
71  static bool is_system_64bit();
73 };
74 
75 // Defines to the lazy developer:
76 #define SWAP_IF_BIG(i) if (CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i))
77 #define SWAP_IF_LITTLE(i) if (!CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i))
78 
79 #define SWAP_IF_BIG_ALOT(i, times) if (CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i), times)
80 #define SWAP_IF_LITTLE_ALOT(i, times) if (!CL_Endian::is_system_big()) CL_Endian::swap(&i, sizeof(i), times)
81 
82 #define IS_SYSTEM_64BIT() CL_Endian::is_system_64bit()
83