include/begin_code.h

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FUNCTIONS

This source file includes following functions.

   1 /*
   2     SDL - Simple DirectMedia Layer
   3     Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
   4 
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9 
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14 
  15     You should have received a copy of the GNU Library General Public
  16     License along with this library; if not, write to the Free
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 
  19     Sam Lantinga
  20     slouken@devolution.com
  21 */
  22 
  23 /* This file sets things up for C dynamic library function definitions,
  24    static inlined functions, and structures aligned at 4-byte alignment.
  25    If you don't like ugly C preprocessor code, don't look at this file. :)
  26 */
  27 
  28 /* This shouldn't be nested -- included it around code only. */
  29 #ifdef _begin_code_h
  30 #error Nested inclusion of begin_code.h
  31 #endif
  32 #define _begin_code_h
  33 
  34 /* Some compilers use a special export keyword */
  35 #ifndef DECLSPEC
  36 # ifdef __BEOS__
  37 #  if defined(__GNUC__)
  38 #   define DECLSPEC     __declspec(dllexport)
  39 #  else
  40 #   define DECLSPEC     __declspec(export)
  41 #  endif
  42 # else
  43 # ifdef WIN32
  44 #  define DECLSPEC      __declspec(dllexport)
  45 # else
  46 #  define DECLSPEC
  47 # endif
  48 # endif
  49 #endif
  50 
  51 /* Force structure packing at 4 byte alignment.
  52    This is necessary if the header is included in code which has structure
  53    packing set to an alternate value, say for loading structures from disk.
  54    The packing is reset to the previous value in close_code.h
  55  */
  56 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__WATCOMC__) || defined(__BORLANDC__)
  57 #ifdef _MSC_VER
  58 #pragma warning(disable: 4103)
  59 #endif
  60 #ifdef __BORLANDC__
  61 #pragma nopackwarning
  62 #endif
  63 #pragma pack(push,4)
  64 #endif /* Compiler needs structure packing set */
  65 
  66 /* Set up compiler-specific options for inlining functions */
  67 #ifndef SDL_INLINE_OKAY
  68 #ifdef __GNUC__
  69 #define SDL_INLINE_OKAY
  70 #else
  71 /* Add any special compiler-specific cases here */
  72 #if !defined(_MSC_VER) && !defined(__MRC__) && !defined(_SGI_SOURCE)
  73 #define __inline__ inline
  74 #define SDL_INLINE_OKAY
  75 #endif /* Not a funky compiler */
  76 #endif /* GNU C */
  77 #endif /* SDL_INLINE_OKAY */
  78 
  79 /* If inlining isn't supported, remove "__inline__", turning static
  80    inlined functions into static functions (resulting in code bloat
  81    in all files which include the offending header files)
  82 */
  83 #ifndef SDL_INLINE_OKAY
  84 #define __inline__
  85 #endif
  86 

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