annotate include/SDL_version.h @ 297:f6ffac90895c

Updated copyright information for 2002
author Sam Lantinga <slouken@libsdl.org>
date Wed, 06 Mar 2002 11:23:08 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* This header defines the current SDL version */
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29
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30 #ifndef _SDL_version_h
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31 #define _SDL_version_h
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32
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33 #include "SDL_types.h"
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34
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35 #include "begin_code.h"
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36 /* Set up for C function definitions, even when using C++ */
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37 #ifdef __cplusplus
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38 extern "C" {
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39 #endif
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40
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41 /* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
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42 */
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43 #define SDL_MAJOR_VERSION 1
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44 #define SDL_MINOR_VERSION 2
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45 #define SDL_PATCHLEVEL 4
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46
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47 typedef struct {
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48 Uint8 major;
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49 Uint8 minor;
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50 Uint8 patch;
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51 } SDL_version;
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52
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53 /* This macro can be used to fill a version structure with the compile-time
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54 * version of the SDL library.
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55 */
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56 #define SDL_VERSION(X) \
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57 { \
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58 (X)->major = SDL_MAJOR_VERSION; \
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59 (X)->minor = SDL_MINOR_VERSION; \
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60 (X)->patch = SDL_PATCHLEVEL; \
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61 }
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62
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63 /* This macro turns the version numbers into a numeric value:
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64 (1,2,3) -> (1203)
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65 This assumes that there will never be more than 100 patchlevels
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66 */
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67 #define SDL_VERSIONNUM(X, Y, Z) \
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68 (X)*1000 + (Y)*100 + (Z)
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69
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70 /* This is the version number macro for the current SDL version */
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71 #define SDL_COMPILEDVERSION \
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72 SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)
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73
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74 /* This macro will evaluate to true if compiled with SDL at least X.Y.Z */
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75 #define SDL_VERSION_ATLEAST(X, Y, Z) \
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76 (SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
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77
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78 /* This function gets the version of the dynamically linked SDL library.
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79 it should NOT be used to fill a version structure, instead you should
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80 use the SDL_Version() macro.
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81 */
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82 extern DECLSPEC const SDL_version * SDL_Linked_Version(void);
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83
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84 /* Ends C function definitions when using C++ */
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85 #ifdef __cplusplus
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86 }
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87 #endif
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88 #include "close_code.h"
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89
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90 #endif /* _SDL_version_h */