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      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2004 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 (at) libsdl.org
     21 */
     22 
     23 #ifdef SAVE_RCSID
     24 static char rcsid =
     25  "@(#) $Id: SDL_version.h,v 1.14 2004/07/18 22:57:40 slouken Exp $";
     26 #endif
     27 
     28 /* This header defines the current SDL version */
     29 
     30 #ifndef _SDL_version_h
     31 #define _SDL_version_h
     32 
     33 #include "SDL_types.h"
     34 
     35 #include "begin_code.h"
     36 /* Set up for C function definitions, even when using C++ */
     37 #ifdef __cplusplus
     38 extern "C" {
     39 #endif
     40 
     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		8
     46 
     47 typedef struct SDL_version {
     48 	Uint8 major;
     49 	Uint8 minor;
     50 	Uint8 patch;
     51 } SDL_version;
     52 
     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)							\
     57 {									\
     58 	(X)->major = SDL_MAJOR_VERSION;					\
     59 	(X)->minor = SDL_MINOR_VERSION;					\
     60 	(X)->patch = SDL_PATCHLEVEL;					\
     61 }
     62 
     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)						\
     68 	(X)*1000 + (Y)*100 + (Z)
     69 
     70 /* This is the version number macro for the current SDL version */
     71 #define SDL_COMPILEDVERSION \
     72 	SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)
     73 
     74 /* This macro will evaluate to true if compiled with SDL at least X.Y.Z */
     75 #define SDL_VERSION_ATLEAST(X, Y, Z) \
     76 	(SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
     77 
     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 * SDLCALL SDL_Linked_Version(void);
     83 
     84 /* Ends C function definitions when using C++ */
     85 #ifdef __cplusplus
     86 }
     87 #endif
     88 #include "close_code.h"
     89 
     90 #endif /* _SDL_version_h */
     91