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  1. /*
  2.     SDL - Simple DirectMedia Layer
  3.     Copyright (C) 1997-2009 Sam Lantinga
  4.  
  5.     This library is free software; you can redistribute it and/or
  6.     modify it under the terms of the GNU Lesser General Public
  7.     License as published by the Free Software Foundation; either
  8.     version 2.1 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.     Lesser General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU Lesser General Public
  16.     License along with this library; if not, write to the Free Software
  17.     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18.  
  19.     Sam Lantinga
  20.     slouken@libsdl.org
  21. */
  22.  
  23. /** @file SDL_version.h
  24.  *  This header defines the current SDL version
  25.  */
  26.  
  27. #ifndef _SDL_version_h
  28. #define _SDL_version_h
  29.  
  30. #include "SDL_stdinc.h"
  31.  
  32. #include "begin_code.h"
  33. /* Set up for C function definitions, even when using C++ */
  34. #ifdef __cplusplus
  35. extern "C" {
  36. #endif
  37.  
  38. /** @name Version Number
  39.  *  Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
  40.  */
  41. /*@{*/
  42. #define SDL_MAJOR_VERSION       1
  43. #define SDL_MINOR_VERSION       2
  44. #define SDL_PATCHLEVEL          14
  45. /*@}*/
  46.  
  47. typedef struct SDL_version {
  48.         Uint8 major;
  49.         Uint8 minor;
  50.         Uint8 patch;
  51. } SDL_version;
  52.  
  53. /**
  54.  * This macro can be used to fill a version structure with the compile-time
  55.  * version of the SDL library.
  56.  */
  57. #define SDL_VERSION(X)                                                  \
  58. {                                                                       \
  59.         (X)->major = SDL_MAJOR_VERSION;                                 \
  60.         (X)->minor = SDL_MINOR_VERSION;                                 \
  61.         (X)->patch = SDL_PATCHLEVEL;                                    \
  62. }
  63.  
  64. /** This macro turns the version numbers into a numeric value:
  65.  *  (1,2,3) -> (1203)
  66.  *  This assumes that there will never be more than 100 patchlevels
  67.  */
  68. #define SDL_VERSIONNUM(X, Y, Z)                                         \
  69.         ((X)*1000 + (Y)*100 + (Z))
  70.  
  71. /** This is the version number macro for the current SDL version */
  72. #define SDL_COMPILEDVERSION \
  73.         SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)
  74.  
  75. /** This macro will evaluate to true if compiled with SDL at least X.Y.Z */
  76. #define SDL_VERSION_ATLEAST(X, Y, Z) \
  77.         (SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
  78.  
  79. /** This function gets the version of the dynamically linked SDL library.
  80.  *  it should NOT be used to fill a version structure, instead you should
  81.  *  use the SDL_Version() macro.
  82.  */
  83. extern DECLSPEC const SDL_version * SDLCALL SDL_Linked_Version(void);
  84.  
  85. /* Ends C function definitions when using C++ */
  86. #ifdef __cplusplus
  87. }
  88. #endif
  89. #include "close_code.h"
  90.  
  91. #endif /* _SDL_version_h */
  92.