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      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2012 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 (at) 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		15
     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