git.r.bdr.sh - rbdr/super-polarity/blob - vendor/frameworks/SDL2.framework/Versions/A/Headers/begin_code.h

   1 /*
   2   Simple DirectMedia Layer
   3   Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
   4
   5   This software is provided 'as-is', without any express or implied
   6   warranty.  In no event will the authors be held liable for any damages
   7   arising from the use of this software.
   8
   9   Permission is granted to anyone to use this software for any purpose,
  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.
  17   2. Altered source versions must be plainly marked as such, and must not be
  18      misrepresented as being the original software.
  19   3. This notice may not be removed or altered from any source distribution.
  20 */
  21
  22 /**
  23  *  \file begin_code.h
  24  *
  25  *  This file sets things up for C dynamic library function definitions,
  26  *  static inlined functions, and structures aligned at 4-byte alignment.
  27  *  If you don't like ugly C preprocessor code, don't look at this file. :)
  28  */
  29
  30 /* This shouldn't be nested -- included it around code only. */
  31 #ifdef _begin_code_h
  32 #error Nested inclusion of begin_code.h
  33 #endif
  34 #define _begin_code_h
  35
  36 /* Some compilers use a special export keyword */
  37 #ifndef DECLSPEC
  38 # if defined(__BEOS__) || defined(__HAIKU__)
  39 #  if defined(__GNUC__)
  40 #   define DECLSPEC __declspec(dllexport)
  41 #  else
  42 #   define DECLSPEC __declspec(export)
  43 #  endif
  44 # elif defined(__WIN32__)
  45 #  ifdef __BORLANDC__
  46 #   ifdef BUILD_SDL
  47 #    define DECLSPEC
  48 #   else
  49 #    define DECLSPEC    __declspec(dllimport)
  50 #   endif
  51 #  else
  52 #   define DECLSPEC __declspec(dllexport)
  53 #  endif
  54 # else
  55 #  if defined(__GNUC__) && __GNUC__ >= 4
  56 #   define DECLSPEC __attribute__ ((visibility("default")))
  57 #  else
  58 #   define DECLSPEC
  59 #  endif
  60 # endif
  61 #endif
  62
  63 /* By default SDL uses the C calling convention */
  64 #ifndef SDLCALL
  65 #if defined(__WIN32__) && !defined(__GNUC__)
  66 #define SDLCALL __cdecl
  67 #else
  68 #define SDLCALL
  69 #endif
  70 #endif /* SDLCALL */
  71
  72 /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */
  73 #ifdef __SYMBIAN32__
  74 #undef DECLSPEC
  75 #define DECLSPEC
  76 #endif /* __SYMBIAN32__ */
  77
  78 /* Force structure packing at 4 byte alignment.
  79    This is necessary if the header is included in code which has structure
  80    packing set to an alternate value, say for loading structures from disk.
  81    The packing is reset to the previous value in close_code.h
  82  */
  83 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
  84 #ifdef _MSC_VER
  85 #pragma warning(disable: 4103)
  86 #endif
  87 #ifdef __BORLANDC__
  88 #pragma nopackwarning
  89 #endif
  90 #ifdef _M_X64
  91 /* Use 8-byte alignment on 64-bit architectures, so pointers are aligned */
  92 #pragma pack(push,8)
  93 #else
  94 #pragma pack(push,4)
  95 #endif
  96 #endif /* Compiler needs structure packing set */
  97
  98 /* Set up compiler-specific options for inlining functions */
  99 #ifndef SDL_INLINE_OKAY
 100 #ifdef __GNUC__
 101 #define SDL_INLINE_OKAY
 102 #else
 103 /* Add any special compiler-specific cases here */
 104 #if defined(_MSC_VER) || defined(__BORLANDC__) || \
 105     defined(__DMC__) || defined(__SC__) || \
 106     defined(__WATCOMC__) || defined(__LCC__) || \
 107     defined(__DECC)
 108 #ifndef __inline__
 109 #define __inline__  __inline
 110 #endif
 111 #define SDL_INLINE_OKAY
 112 #else
 113 #if !defined(__MRC__) && !defined(_SGI_SOURCE)
 114 #ifndef __inline__
 115 #define __inline__ inline
 116 #endif
 117 #define SDL_INLINE_OKAY
 118 #endif /* Not a funky compiler */
 119 #endif /* Visual C++ */
 120 #endif /* GNU C */
 121 #endif /* SDL_INLINE_OKAY */
 122
 123 /* If inlining isn't supported, remove "__inline__", turning static
 124    inlined functions into static functions (resulting in code bloat
 125    in all files which include the offending header files)
 126 */
 127 #ifndef SDL_INLINE_OKAY
 128 #define __inline__
 129 #endif
 130
 131 #ifndef SDL_FORCE_INLINE
 132 #if defined(_MSC_VER)
 133 #define SDL_FORCE_INLINE __forceinline
 134 #elif ( (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) )
 135 #define SDL_FORCE_INLINE __attribute__((always_inline)) static inline
 136 #else
 137 #define SDL_FORCE_INLINE static __inline__
 138 #endif
 139 #endif
 140
 141 /* Apparently this is needed by several Windows compilers */
 142 #if !defined(__MACH__)
 143 #ifndef NULL
 144 #ifdef __cplusplus
 145 #define NULL 0
 146 #else
 147 #define NULL ((void *)0)
 148 #endif
 149 #endif /* NULL */
 150 #endif /* ! Mac OS X - breaks precompiled headers */