FUNCTIONS

1. SDL_VERSION
2. SDL_VERSIONNUM
3. SDL_VERSION_ATLEAST

   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 */
  23 #ifdef SAVE_RCSID
  24 static char rcsid =
  25  "@(#) $Id: SDL_version.h,v 1.2.2.15 2001/02/17 01:45:30 hercules Exp $";
  26 #endif
  28 /* This header defines the current SDL version */
  30 #ifndef _SDL_version_h
  31 #define _SDL_version_h
  33 #include "SDL_types.h"
  35 #include "begin_code.h"
  36 /* Set up for C function definitions, even when using C++ */
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  41 /* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
  42 */
  43 #define SDL_MAJOR_VERSION       1
  44 #define SDL_MINOR_VERSION       2
  45 #define SDL_PATCHLEVEL          0
  47 typedef struct {
  48         Uint8 major;
  49         Uint8 minor;
  50         Uint8 patch;
  51 } SDL_version;
  53 /* This macro can be used to fill a version structure with the compile-time
  54  * version of the SDL library.
  55  */
  56 #define SDL_VERSION(X)                                                  \
     /* [<][>][^][v][top][bottom][index][help] */
  57 {                                                                       \
  58         (X)->major = SDL_MAJOR_VERSION;                                 \
  59         (X)->minor = SDL_MINOR_VERSION;                                 \
  60         (X)->patch = SDL_PATCHLEVEL;                                    \
  61 }
  63 /* This macro turns the version numbers into a numeric value:
  64    (1,2,3) -> (1203)
  65    This assumes that there will never be more than 100 patchlevels
  66 */
  67 #define SDL_VERSIONNUM(X, Y, Z)                                         \
     /* [<][>][^][v][top][bottom][index][help] */
  68         (X)*1000 + (Y)*100 + (Z)
  70 /* This is the version number macro for the current SDL version */
  71 #define SDL_COMPILEDVERSION \
SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)
  74 /* This macro will evaluate to true if compiled with SDL at least X.Y.Z */
  75 #define SDL_VERSION_ATLEAST(X, Y, Z) \
     /* [<][>][^][v][top][bottom][index][help] */
  76         (SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
  78 /* This function gets the version of the dynamically linked SDL library.
  79    it should NOT be used to fill a version structure, instead you should
  80    use the SDL_Version() macro.
  81  */
  82 extern DECLSPEC const SDL_version * SDL_Linked_Version(void);
  84 /* Ends C function definitions when using C++ */
  85 #ifdef __cplusplus
  86 }
  87 #endif
  88 #include "close_code.h"
  90 #endif /* _SDL_version_h */