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 */