include/SDL_version.h
changeset 0 74212992fb08
child 1 cf2af46e9e2a
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     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 */
       
    22 
       
    23 #ifdef SAVE_RCSID
       
    24 static char rcsid =
       
    25  "@(#) $Id$";
       
    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		0
       
    46 
       
    47 typedef struct {
       
    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 * 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 */