Subversion Repositories Games.Prince of Persia

Rev

Rev 1 | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /*
  2.   Simple DirectMedia Layer
  3.   Copyright (C) 1997-2018 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. #ifndef SDL_DEPRECATED
  37. #  if (__GNUC__ >= 4)  /* technically, this arrived in gcc 3.1, but oh well. */
  38. #    define SDL_DEPRECATED __attribute__((deprecated))
  39. #  else
  40. #    define SDL_DEPRECATED
  41. #  endif
  42. #endif
  43.  
  44. #ifndef SDL_UNUSED
  45. #  ifdef __GNUC__
  46. #    define SDL_UNUSED __attribute__((unused))
  47. #  else
  48. #    define SDL_UNUSED
  49. #  endif
  50. #endif
  51.  
  52. /* Some compilers use a special export keyword */
  53. #ifndef DECLSPEC
  54. # if defined(__WIN32__) || defined(__WINRT__)
  55. #  ifdef __BORLANDC__
  56. #   ifdef BUILD_SDL
  57. #    define DECLSPEC
  58. #   else
  59. #    define DECLSPEC    __declspec(dllimport)
  60. #   endif
  61. #  else
  62. #   define DECLSPEC __declspec(dllexport)
  63. #  endif
  64. # elif defined(__OS2__)
  65. #   ifdef BUILD_SDL
  66. #    define DECLSPEC    __declspec(dllexport)
  67. #   else
  68. #    define DECLSPEC
  69. #   endif
  70. # else
  71. #  if defined(__GNUC__) && __GNUC__ >= 4
  72. #   define DECLSPEC __attribute__ ((visibility("default")))
  73. #  else
  74. #   define DECLSPEC
  75. #  endif
  76. # endif
  77. #endif
  78.  
  79. /* By default SDL uses the C calling convention */
  80. #ifndef SDLCALL
  81. #if (defined(__WIN32__) || defined(__WINRT__)) && !defined(__GNUC__)
  82. #define SDLCALL __cdecl
  83. #elif defined(__OS2__) || defined(__EMX__)
  84. #define SDLCALL _System
  85. # if defined (__GNUC__) && !defined(_System)
  86. #  define _System /* for old EMX/GCC compat.  */
  87. # endif
  88. #else
  89. #define SDLCALL
  90. #endif
  91. #endif /* SDLCALL */
  92.  
  93. /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */
  94. #ifdef __SYMBIAN32__
  95. #undef DECLSPEC
  96. #define DECLSPEC
  97. #endif /* __SYMBIAN32__ */
  98.  
  99. /* Force structure packing at 4 byte alignment.
  100.    This is necessary if the header is included in code which has structure
  101.    packing set to an alternate value, say for loading structures from disk.
  102.    The packing is reset to the previous value in close_code.h
  103.  */
  104. #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
  105. #ifdef _MSC_VER
  106. #pragma warning(disable: 4103)
  107. #endif
  108. #ifdef __BORLANDC__
  109. #pragma nopackwarning
  110. #endif
  111. #ifdef _M_X64
  112. /* Use 8-byte alignment on 64-bit architectures, so pointers are aligned */
  113. #pragma pack(push,8)
  114. #else
  115. #pragma pack(push,4)
  116. #endif
  117. #endif /* Compiler needs structure packing set */
  118.  
  119. #ifndef SDL_INLINE
  120. #if defined(__GNUC__)
  121. #define SDL_INLINE __inline__
  122. #elif defined(_MSC_VER) || defined(__BORLANDC__) || \
  123.       defined(__DMC__) || defined(__SC__) || \
  124.       defined(__WATCOMC__) || defined(__LCC__) || \
  125.       defined(__DECC) || defined(__CC_ARM)
  126. #define SDL_INLINE __inline
  127. #ifndef __inline__
  128. #define __inline__ __inline
  129. #endif
  130. #else
  131. #define SDL_INLINE inline
  132. #ifndef __inline__
  133. #define __inline__ inline
  134. #endif
  135. #endif
  136. #endif /* SDL_INLINE not defined */
  137.  
  138. #ifndef SDL_FORCE_INLINE
  139. #if defined(_MSC_VER)
  140. #define SDL_FORCE_INLINE __forceinline
  141. #elif ( (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) )
  142. #define SDL_FORCE_INLINE __attribute__((always_inline)) static __inline__
  143. #else
  144. #define SDL_FORCE_INLINE static SDL_INLINE
  145. #endif
  146. #endif /* SDL_FORCE_INLINE not defined */
  147.  
  148. #ifndef SDL_NORETURN
  149. #if defined(__GNUC__)
  150. #define SDL_NORETURN __attribute__((noreturn))
  151. #elif defined(_MSC_VER)
  152. #define SDL_NORETURN __declspec(noreturn)
  153. #else
  154. #define SDL_NORETURN
  155. #endif
  156. #endif /* SDL_NORETURN not defined */
  157.  
  158. /* Apparently this is needed by several Windows compilers */
  159. #if !defined(__MACH__)
  160. #ifndef NULL
  161. #ifdef __cplusplus
  162. #define NULL 0
  163. #else
  164. #define NULL ((void *)0)
  165. #endif
  166. #endif /* NULL */
  167. #endif /* ! Mac OS X - breaks precompiled headers */
  168.