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<div class="title">SDL_version.h File Reference</div> </div>
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<div class="textblock"><code>#include "<a class="el" href="SDL__stdinc_8h_source.html">SDL_stdinc.h</a>"</code><br />
<code>#include "<a class="el" href="begin__code_8h_source.html">begin_code.h</a>"</code><br />
<code>#include "<a class="el" href="close__code_8h_source.html">close_code.h</a>"</code><br />
</div>
<p><a href="SDL__version_8h_source.html">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structSDL__version.html">SDL_version</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Information the version of SDL in use. <a href="structSDL__version.html#details">More...</a><br /></td></tr>
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Macros</h2></td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>SDL_MAJOR_VERSION</b>   2</td></tr>
<tr class="separator:a8fc808626be61507ade364b399f81468"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2dd98e1cec119d54322cd9c8ea685c5c"><td class="memItemLeft" align="right" valign="top"><a id="a2dd98e1cec119d54322cd9c8ea685c5c"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_MINOR_VERSION</b>   0</td></tr>
<tr class="separator:a2dd98e1cec119d54322cd9c8ea685c5c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a84a0602cb43e6d9cefbdc119336019d5"><td class="memItemLeft" align="right" valign="top"><a id="a84a0602cb43e6d9cefbdc119336019d5"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_PATCHLEVEL</b>   10</td></tr>
<tr class="separator:a84a0602cb43e6d9cefbdc119336019d5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7154bc5c2a95a644b5187e4225cdcbd0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#a7154bc5c2a95a644b5187e4225cdcbd0">SDL_VERSION</a>(x)</td></tr>
<tr class="memdesc:a7154bc5c2a95a644b5187e4225cdcbd0"><td class="mdescLeft"> </td><td class="mdescRight">Macro to determine SDL version program was compiled against. <a href="#a7154bc5c2a95a644b5187e4225cdcbd0">More...</a><br /></td></tr>
<tr class="separator:a7154bc5c2a95a644b5187e4225cdcbd0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af77ec4d486c3401e48689a016d304e73"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#af77ec4d486c3401e48689a016d304e73">SDL_VERSIONNUM</a>(X, Y, Z)   ((X)*1000 + (Y)*100 + (Z))</td></tr>
<tr class="separator:af77ec4d486c3401e48689a016d304e73"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a75227c9b9ca2b4015e4697971712f16c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#a75227c9b9ca2b4015e4697971712f16c">SDL_COMPILEDVERSION</a>   <a class="el" href="SDL__version_8h.html#af77ec4d486c3401e48689a016d304e73">SDL_VERSIONNUM</a>(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)</td></tr>
<tr class="separator:a75227c9b9ca2b4015e4697971712f16c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a44836f955b961ba74c8c5125af4c9b91"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#a44836f955b961ba74c8c5125af4c9b91">SDL_VERSION_ATLEAST</a>(X, Y, Z)   (<a class="el" href="SDL__version_8h.html#a75227c9b9ca2b4015e4697971712f16c">SDL_COMPILEDVERSION</a> >= <a class="el" href="SDL__version_8h.html#af77ec4d486c3401e48689a016d304e73">SDL_VERSIONNUM</a>(X, Y, Z))</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:af87533c317dee86f75b51edd69541010"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structSDL__version.html">SDL_version</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#af87533c317dee86f75b51edd69541010">SDL_version</a></td></tr>
<tr class="memdesc:af87533c317dee86f75b51edd69541010"><td class="mdescLeft"> </td><td class="mdescRight">Information the version of SDL in use. <a href="#af87533c317dee86f75b51edd69541010">More...</a><br /></td></tr>
<tr class="separator:af87533c317dee86f75b51edd69541010"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a4204ecbb600f51ee50515979e60bf8f3"><td class="memItemLeft" align="right" valign="top">DECLSPEC void SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#a4204ecbb600f51ee50515979e60bf8f3">SDL_GetVersion</a> (<a class="el" href="structSDL__version.html">SDL_version</a> *ver)</td></tr>
<tr class="memdesc:a4204ecbb600f51ee50515979e60bf8f3"><td class="mdescLeft"> </td><td class="mdescRight">Get the version of SDL that is linked against your program. <a href="#a4204ecbb600f51ee50515979e60bf8f3">More...</a><br /></td></tr>
<tr class="separator:a4204ecbb600f51ee50515979e60bf8f3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6b6844eae68e68d6f91bc3d8d786cf47"><td class="memItemLeft" align="right" valign="top">DECLSPEC const char *SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#a6b6844eae68e68d6f91bc3d8d786cf47">SDL_GetRevision</a> (void)</td></tr>
<tr class="memdesc:a6b6844eae68e68d6f91bc3d8d786cf47"><td class="mdescLeft"> </td><td class="mdescRight">Get the code revision of SDL that is linked against your program. <a href="#a6b6844eae68e68d6f91bc3d8d786cf47">More...</a><br /></td></tr>
<tr class="separator:a6b6844eae68e68d6f91bc3d8d786cf47"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a20fb5e0316095763c8b8c78afcfa0be2"><td class="memItemLeft" align="right" valign="top">DECLSPEC int SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__version_8h.html#a20fb5e0316095763c8b8c78afcfa0be2">SDL_GetRevisionNumber</a> (void)</td></tr>
<tr class="memdesc:a20fb5e0316095763c8b8c78afcfa0be2"><td class="mdescLeft"> </td><td class="mdescRight">Get the revision number of SDL that is linked against your program. <a href="#a20fb5e0316095763c8b8c78afcfa0be2">More...</a><br /></td></tr>
<tr class="separator:a20fb5e0316095763c8b8c78afcfa0be2"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This header defines the current SDL version. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a75227c9b9ca2b4015e4697971712f16c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a75227c9b9ca2b4015e4697971712f16c">◆ </a></span>SDL_COMPILEDVERSION</h2>
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<td class="memname">#define SDL_COMPILEDVERSION   <a class="el" href="SDL__version_8h.html#af77ec4d486c3401e48689a016d304e73">SDL_VERSIONNUM</a>(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL)</td>
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<p>This is the version number macro for the current SDL version. </p>
</div>
</div>
<a id="a7154bc5c2a95a644b5187e4225cdcbd0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7154bc5c2a95a644b5187e4225cdcbd0">◆ </a></span>SDL_VERSION</h2>
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<td class="memname">#define SDL_VERSION</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">x</td><td>)</td>
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<b>Value:</b><div class="fragment"><div class="line">{ \</div><div class="line"> (x)->major = SDL_MAJOR_VERSION; \</div><div class="line"> (x)->minor = SDL_MINOR_VERSION; \</div><div class="line"> (x)->patch = SDL_PATCHLEVEL; \</div><div class="line">}</div></div><!-- fragment -->
<p>Macro to determine SDL version program was compiled against. </p>
<p>This macro fills in a <a class="el" href="structSDL__version.html" title="Information the version of SDL in use.">SDL_version</a> structure with the version of the library you compiled against. This is determined by what header the compiler uses. Note that if you dynamically linked the library, you might have a slightly newer or older version at runtime. That version can be determined with <a class="el" href="SDL__version_8h.html#a4204ecbb600f51ee50515979e60bf8f3" title="Get the version of SDL that is linked against your program.">SDL_GetVersion()</a>, which, unlike <a class="el" href="SDL__version_8h.html#a7154bc5c2a95a644b5187e4225cdcbd0" title="Macro to determine SDL version program was compiled against.">SDL_VERSION()</a>, is not a macro.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>A pointer to a <a class="el" href="structSDL__version.html" title="Information the version of SDL in use.">SDL_version</a> struct to initialize.</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="structSDL__version.html" title="Information the version of SDL in use.">SDL_version</a> </dd>
<dd>
<a class="el" href="SDL__version_8h.html#a4204ecbb600f51ee50515979e60bf8f3" title="Get the version of SDL that is linked against your program.">SDL_GetVersion</a> </dd></dl>
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<a id="a44836f955b961ba74c8c5125af4c9b91"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a44836f955b961ba74c8c5125af4c9b91">◆ </a></span>SDL_VERSION_ATLEAST</h2>
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<td class="memname">#define SDL_VERSION_ATLEAST</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">X, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">Y, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">Z </td>
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<td></td>
<td>)</td>
<td></td><td>   (<a class="el" href="SDL__version_8h.html#a75227c9b9ca2b4015e4697971712f16c">SDL_COMPILEDVERSION</a> >= <a class="el" href="SDL__version_8h.html#af77ec4d486c3401e48689a016d304e73">SDL_VERSIONNUM</a>(X, Y, Z))</td>
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</div><div class="memdoc">
<p>This macro will evaluate to true if compiled with SDL at least X.Y.Z. </p>
</div>
</div>
<a id="af77ec4d486c3401e48689a016d304e73"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af77ec4d486c3401e48689a016d304e73">◆ </a></span>SDL_VERSIONNUM</h2>
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<td class="memname">#define SDL_VERSIONNUM</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">X, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">Y, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">Z </td>
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<td></td>
<td>)</td>
<td></td><td>   ((X)*1000 + (Y)*100 + (Z))</td>
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<p>This macro turns the version numbers into a numeric value: </p><pre class="fragment">(1,2,3) -> (1203)
</pre><p>This assumes that there will never be more than 100 patchlevels. </p>
</div>
</div>
<h2 class="groupheader">Typedef Documentation</h2>
<a id="af87533c317dee86f75b51edd69541010"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af87533c317dee86f75b51edd69541010">◆ </a></span>SDL_version</h2>
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<td class="memname">typedef struct <a class="el" href="structSDL__version.html">SDL_version</a> <a class="el" href="structSDL__version.html">SDL_version</a></td>
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<p>Information the version of SDL in use. </p>
<p>Represents the library's version as three levels: major revision (increments with massive changes, additions, and enhancements), minor revision (increments with backwards-compatible changes to the major revision), and patchlevel (increments with fixes to the minor revision).</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="SDL__version_8h.html#a7154bc5c2a95a644b5187e4225cdcbd0" title="Macro to determine SDL version program was compiled against.">SDL_VERSION</a> </dd>
<dd>
<a class="el" href="SDL__version_8h.html#a4204ecbb600f51ee50515979e60bf8f3" title="Get the version of SDL that is linked against your program.">SDL_GetVersion</a> </dd></dl>
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</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="a6b6844eae68e68d6f91bc3d8d786cf47"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6b6844eae68e68d6f91bc3d8d786cf47">◆ </a></span>SDL_GetRevision()</h2>
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<td class="memname">DECLSPEC const char* SDLCALL SDL_GetRevision </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
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<p>Get the code revision of SDL that is linked against your program. </p>
<p>Returns an arbitrary string (a hash value) uniquely identifying the exact revision of the SDL library in use, and is only useful in comparing against other revisions. It is NOT an incrementing number. </p>
</div>
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<a id="a20fb5e0316095763c8b8c78afcfa0be2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a20fb5e0316095763c8b8c78afcfa0be2">◆ </a></span>SDL_GetRevisionNumber()</h2>
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<td class="memname">DECLSPEC int SDLCALL SDL_GetRevisionNumber </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Get the revision number of SDL that is linked against your program. </p>
<p>Returns a number uniquely identifying the exact revision of the SDL library in use. It is an incrementing number based on commits to hg.libsdl.org. </p>
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<a id="a4204ecbb600f51ee50515979e60bf8f3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4204ecbb600f51ee50515979e60bf8f3">◆ </a></span>SDL_GetVersion()</h2>
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<td class="memname">DECLSPEC void SDLCALL SDL_GetVersion </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structSDL__version.html">SDL_version</a> * </td>
<td class="paramname"><em>ver</em></td><td>)</td>
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<p>Get the version of SDL that is linked against your program. </p>
<p>If you are linking to SDL dynamically, then it is possible that the current version will be different than the version you compiled against. This function returns the current version, while <a class="el" href="SDL__version_8h.html#a7154bc5c2a95a644b5187e4225cdcbd0" title="Macro to determine SDL version program was compiled against.">SDL_VERSION()</a> is a macro that tells you what version you compiled with.</p>
<div class="fragment"><div class="line"><a class="code" href="structSDL__version.html">SDL_version</a> compiled;</div><div class="line"><a class="code" href="structSDL__version.html">SDL_version</a> linked;</div><div class="line"></div><div class="line"><a class="code" href="SDL__version_8h.html#a7154bc5c2a95a644b5187e4225cdcbd0">SDL_VERSION</a>(&compiled);</div><div class="line"><a class="code" href="SDL__version_8h.html#a4204ecbb600f51ee50515979e60bf8f3">SDL_GetVersion</a>(&linked);</div><div class="line">printf(<span class="stringliteral">"We compiled against SDL version %d.%d.%d ...\n"</span>,</div><div class="line"> compiled.<a class="code" href="structSDL__version.html#ad7d7674532073eed237b90f546c97cd0">major</a>, compiled.<a class="code" href="structSDL__version.html#a6c35c7bf80245028d5970e6a504ecf57">minor</a>, compiled.<a class="code" href="structSDL__version.html#aa6dacff18edee8cd037c773b843be0f1">patch</a>);</div><div class="line">printf(<span class="stringliteral">"But we linked against SDL version %d.%d.%d.\n"</span>,</div><div class="line"> linked.<a class="code" href="structSDL__version.html#ad7d7674532073eed237b90f546c97cd0">major</a>, linked.<a class="code" href="structSDL__version.html#a6c35c7bf80245028d5970e6a504ecf57">minor</a>, linked.<a class="code" href="structSDL__version.html#aa6dacff18edee8cd037c773b843be0f1">patch</a>);</div></div><!-- fragment --><p>This function may be called safely at any time, even before <a class="el" href="SDL_8h.html#a8fc8d35348d7c74bad8392d776c937b8">SDL_Init()</a>.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="SDL__version_8h.html#a7154bc5c2a95a644b5187e4225cdcbd0" title="Macro to determine SDL version program was compiled against.">SDL_VERSION</a> </dd></dl>
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files
>
142
