974deca5e1
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@11846 178a84e3-b1eb-0310-8ba1-8eac791a3b58
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
// Copyright (C) 2007-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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// include this file right before the data structures to be 1-aligned
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// and add to each structure the PACK_STRUCT define just like this:
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// struct mystruct
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// {
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// ...
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// } PACK_STRUCT;
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// Always include the irrunpack.h file right after the last type declared
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// like this, and do not put any other types with different alignment
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// in between!
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// byte-align structures
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#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
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# pragma warning(disable: 4103)
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# pragma pack( push, packing )
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# pragma pack( 1 )
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# define PACK_STRUCT
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#elif defined( __DMC__ )
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# pragma pack( push, 1 )
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# define PACK_STRUCT
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#elif defined( __GNUC__ )
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// Using pragma pack might work with earlier gcc versions already, but
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// it started to be necessary with gcc 4.7 on mingw unless compiled with -mno-ms-bitfields.
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// And I found some hints on the web that older gcc versions on the other hand had sometimes
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// trouble with pragma pack while they worked with __attribute__((packed)).
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# if (__GNUC__ >= 4 ) && (__GNUC_MINOR__ >= 7)
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# pragma pack( push, packing )
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# pragma pack( 1 )
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# define PACK_STRUCT
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# else
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# define PACK_STRUCT __attribute__((packed))
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#endif
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#else
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# error compiler not supported
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#endif
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