include/SDL_version.h
author Sam Lantinga <slouken@libsdl.org>
Thu, 22 Nov 2001 03:47:16 +0000
changeset 241 b6084de9431a
parent 126 92cbc667a9ff
child 251 b8688cfdc232
permissions -rw-r--r--
Bump the version number on the library
     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		4
    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 */