Atlas - SDL_version.h
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1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21
22/**
23 * # CategoryVersion
24 *
25 * Functionality to query the current SDL version, both as headers the app was
26 * compiled against, and a library the app is linked to.
27 */
28
29#ifndef SDL_version_h_
30#define SDL_version_h_
31
32#include <SDL3/SDL_stdinc.h>
33
34#include <SDL3/SDL_begin_code.h>
35/* Set up for C function definitions, even when using C++ */
36#ifdef __cplusplus
37extern "C" {
38#endif
39
40/**
41 * The current major version of SDL headers.
42 *
43 * If this were SDL version 3.2.1, this value would be 3.
44 *
45 * \since This macro is available since SDL 3.2.0.
46 */
47#define SDL_MAJOR_VERSION   3
48
49/**
50 * The current minor version of the SDL headers.
51 *
52 * If this were SDL version 3.2.1, this value would be 2.
53 *
54 * \since This macro is available since SDL 3.2.0.
55 */
56#define SDL_MINOR_VERSION   3
57
58/**
59 * The current micro (or patchlevel) version of the SDL headers.
60 *
61 * If this were SDL version 3.2.1, this value would be 1.
62 *
63 * \since This macro is available since SDL 3.2.0.
64 */
65#define SDL_MICRO_VERSION   7
66
67/**
68 * This macro turns the version numbers into a numeric value.
69 *
70 * (1,2,3) becomes 1002003.
71 *
72 * \param major the major version number.
73 * \param minor the minorversion number.
74 * \param patch the patch version number.
75 *
76 * \since This macro is available since SDL 3.2.0.
77 */
78#define SDL_VERSIONNUM(major, minor, patch) \
79    ((major) * 1000000 + (minor) * 1000 + (patch))
80
81/**
82 * This macro extracts the major version from a version number
83 *
84 * 1002003 becomes 1.
85 *
86 * \param version the version number.
87 *
88 * \since This macro is available since SDL 3.2.0.
89 */
90#define SDL_VERSIONNUM_MAJOR(version) ((version) / 1000000)
91
92/**
93 * This macro extracts the minor version from a version number
94 *
95 * 1002003 becomes 2.
96 *
97 * \param version the version number.
98 *
99 * \since This macro is available since SDL 3.2.0.
100 */
101#define SDL_VERSIONNUM_MINOR(version) (((version) / 1000) % 1000)
102
103/**
104 * This macro extracts the micro version from a version number
105 *
106 * 1002003 becomes 3.
107 *
108 * \param version the version number.
109 *
110 * \since This macro is available since SDL 3.2.0.
111 */
112#define SDL_VERSIONNUM_MICRO(version) ((version) % 1000)
113
114/**
115 * This is the version number macro for the current SDL version.
116 *
117 * \since This macro is available since SDL 3.2.0.
118 *
119 * \sa SDL_GetVersion
120 */
121#define SDL_VERSION \
122    SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_MICRO_VERSION)
123
124/**
125 * This macro will evaluate to true if compiled with SDL at least X.Y.Z.
126 *
127 * \since This macro is available since SDL 3.2.0.
128 */
129#define SDL_VERSION_ATLEAST(X, Y, Z) \
130    (SDL_VERSION >= SDL_VERSIONNUM(X, Y, Z))
131
132/**
133 * Get the version of SDL that is linked against your program.
134 *
135 * If you are linking to SDL dynamically, then it is possible that the current
136 * version will be different than the version you compiled against. This
137 * function returns the current version, while SDL_VERSION is the version you
138 * compiled with.
139 *
140 * This function may be called safely at any time, even before SDL_Init().
141 *
142 * \returns the version of the linked library.
143 *
144 * \since This function is available since SDL 3.2.0.
145 *
146 * \sa SDL_GetRevision
147 */
148extern SDL_DECLSPEC int SDLCALL SDL_GetVersion(void);
149
150/**
151 * Get the code revision of the SDL library that is linked against your
152 * program.
153 *
154 * This value is the revision of the code you are linking against and may be
155 * different from the code you are compiling with, which is found in the
156 * constant SDL_REVISION if you explicitly include SDL_revision.h
157 *
158 * The revision is an arbitrary string (a hash value) uniquely identifying the
159 * exact revision of the SDL library in use, and is only useful in comparing
160 * against other revisions. It is NOT an incrementing number.
161 *
162 * If SDL wasn't built from a git repository with the appropriate tools, this
163 * will return an empty string.
164 *
165 * You shouldn't use this function for anything but logging it for debugging
166 * purposes. The string is not intended to be reliable in any way.
167 *
168 * \returns an arbitrary string, uniquely identifying the exact revision of
169 *          the SDL library in use.
170 *
171 * \since This function is available since SDL 3.2.0.
172 *
173 * \sa SDL_GetVersion
174 */
175extern SDL_DECLSPEC const char * SDLCALL SDL_GetRevision(void);
176
177
178/* Ends C function definitions when using C++ */
179#ifdef __cplusplus
180}
181#endif
182#include <SDL3/SDL_close_code.h>
183
184#endif /* SDL_version_h_ */
185
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