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<div class="title">SDL_log.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__log_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a06c6de264730f257cdba6188b6aaae12"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a06c6de264730f257cdba6188b6aaae12">SDL_MAX_LOG_MESSAGE</a>   4096</td></tr>
<tr class="memdesc:a06c6de264730f257cdba6188b6aaae12"><td class="mdescLeft"> </td><td class="mdescRight">The maximum size of a log message. <a href="#a06c6de264730f257cdba6188b6aaae12">More...</a><br /></td></tr>
<tr class="separator:a06c6de264730f257cdba6188b6aaae12"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:ab1f3e38983ad57e6dcc130811e6320e0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab1f3e38983ad57e6dcc130811e6320e0"></a>
typedef <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a>(* </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#ab1f3e38983ad57e6dcc130811e6320e0">SDL_LogOutputFunction</a> )(<a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> *userdata, <a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, <a class="el" href="SDL__log_8h.html#a09e04f1d062a71901f59592c276ad946">SDL_LogPriority</a> priority, const char *message)</td></tr>
<tr class="memdesc:ab1f3e38983ad57e6dcc130811e6320e0"><td class="mdescLeft"> </td><td class="mdescRight">The prototype for the log output function. <br /></td></tr>
<tr class="separator:ab1f3e38983ad57e6dcc130811e6320e0"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:abc6126af1d45847bc59afa0aa3216b04"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom">{ <br />
  <b>SDL_LOG_CATEGORY_APPLICATION</b>,
<b>SDL_LOG_CATEGORY_ERROR</b>,
<b>SDL_LOG_CATEGORY_ASSERT</b>,
<b>SDL_LOG_CATEGORY_SYSTEM</b>,
<br />
  <b>SDL_LOG_CATEGORY_AUDIO</b>,
<b>SDL_LOG_CATEGORY_VIDEO</b>,
<b>SDL_LOG_CATEGORY_RENDER</b>,
<b>SDL_LOG_CATEGORY_INPUT</b>,
<br />
  <b>SDL_LOG_CATEGORY_TEST</b>,
<b>SDL_LOG_CATEGORY_RESERVED1</b>,
<b>SDL_LOG_CATEGORY_RESERVED2</b>,
<b>SDL_LOG_CATEGORY_RESERVED3</b>,
<br />
  <b>SDL_LOG_CATEGORY_RESERVED4</b>,
<b>SDL_LOG_CATEGORY_RESERVED5</b>,
<b>SDL_LOG_CATEGORY_RESERVED6</b>,
<b>SDL_LOG_CATEGORY_RESERVED7</b>,
<br />
  <b>SDL_LOG_CATEGORY_RESERVED8</b>,
<b>SDL_LOG_CATEGORY_RESERVED9</b>,
<b>SDL_LOG_CATEGORY_RESERVED10</b>,
<b>SDL_LOG_CATEGORY_CUSTOM</b>
<br />
}</td></tr>
<tr class="memdesc:abc6126af1d45847bc59afa0aa3216b04"><td class="mdescLeft"> </td><td class="mdescRight">The predefined log categories. <a href="SDL__log_8h.html#abc6126af1d45847bc59afa0aa3216b04">More...</a><br /></td></tr>
<tr class="separator:abc6126af1d45847bc59afa0aa3216b04"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a09e04f1d062a71901f59592c276ad946"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a09e04f1d062a71901f59592c276ad946"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a09e04f1d062a71901f59592c276ad946">SDL_LogPriority</a> { <br />
  <b>SDL_LOG_PRIORITY_VERBOSE</b> = 1,
<b>SDL_LOG_PRIORITY_DEBUG</b>,
<b>SDL_LOG_PRIORITY_INFO</b>,
<b>SDL_LOG_PRIORITY_WARN</b>,
<br />
  <b>SDL_LOG_PRIORITY_ERROR</b>,
<b>SDL_LOG_PRIORITY_CRITICAL</b>,
<b>SDL_NUM_LOG_PRIORITIES</b>
<br />
}</td></tr>
<tr class="memdesc:a09e04f1d062a71901f59592c276ad946"><td class="mdescLeft"> </td><td class="mdescRight">The predefined log priorities. <br /></td></tr>
<tr class="separator:a09e04f1d062a71901f59592c276ad946"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a8f54656094d10994fdb5399f271906ef"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8f54656094d10994fdb5399f271906ef"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a8f54656094d10994fdb5399f271906ef">SDL_LogSetAllPriority</a> (<a class="el" href="SDL__log_8h.html#a09e04f1d062a71901f59592c276ad946">SDL_LogPriority</a> priority)</td></tr>
<tr class="memdesc:a8f54656094d10994fdb5399f271906ef"><td class="mdescLeft"> </td><td class="mdescRight">Set the priority of all log categories. <br /></td></tr>
<tr class="separator:a8f54656094d10994fdb5399f271906ef"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a4809ac7942e029d0bf17f380d23f73"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9a4809ac7942e029d0bf17f380d23f73"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a9a4809ac7942e029d0bf17f380d23f73">SDL_LogSetPriority</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, <a class="el" href="SDL__log_8h.html#a09e04f1d062a71901f59592c276ad946">SDL_LogPriority</a> priority)</td></tr>
<tr class="memdesc:a9a4809ac7942e029d0bf17f380d23f73"><td class="mdescLeft"> </td><td class="mdescRight">Set the priority of a particular log category. <br /></td></tr>
<tr class="separator:a9a4809ac7942e029d0bf17f380d23f73"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a26f0cff24dadd97d09808b6aaad3f5f4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a26f0cff24dadd97d09808b6aaad3f5f4"></a>
DECLSPEC <a class="el" href="SDL__log_8h.html#a09e04f1d062a71901f59592c276ad946">SDL_LogPriority</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a26f0cff24dadd97d09808b6aaad3f5f4">SDL_LogGetPriority</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category)</td></tr>
<tr class="memdesc:a26f0cff24dadd97d09808b6aaad3f5f4"><td class="mdescLeft"> </td><td class="mdescRight">Get the priority of a particular log category. <br /></td></tr>
<tr class="separator:a26f0cff24dadd97d09808b6aaad3f5f4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acf17b4ea6a83e308c815fd4d50544eba"><td class="memItemLeft" align="right" valign="top">DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#acf17b4ea6a83e308c815fd4d50544eba">SDL_LogResetPriorities</a> (<a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a>)</td></tr>
<tr class="memdesc:acf17b4ea6a83e308c815fd4d50544eba"><td class="mdescLeft"> </td><td class="mdescRight">Reset all priorities to default. <a href="#acf17b4ea6a83e308c815fd4d50544eba">More...</a><br /></td></tr>
<tr class="separator:acf17b4ea6a83e308c815fd4d50544eba"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3e8baec3c9ca1b2b45f055460f479b03"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3e8baec3c9ca1b2b45f055460f479b03"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a3e8baec3c9ca1b2b45f055460f479b03">SDL_Log</a> (const char *fmt,...)</td></tr>
<tr class="memdesc:a3e8baec3c9ca1b2b45f055460f479b03"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with SDL_LOG_CATEGORY_APPLICATION and SDL_LOG_PRIORITY_INFO. <br /></td></tr>
<tr class="separator:a3e8baec3c9ca1b2b45f055460f479b03"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0a013163b14c1a9d2478d6a02b68cf2e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0a013163b14c1a9d2478d6a02b68cf2e"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a0a013163b14c1a9d2478d6a02b68cf2e">SDL_LogVerbose</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, const char *fmt,...)</td></tr>
<tr class="memdesc:a0a013163b14c1a9d2478d6a02b68cf2e"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with SDL_LOG_PRIORITY_VERBOSE. <br /></td></tr>
<tr class="separator:a0a013163b14c1a9d2478d6a02b68cf2e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aff0f1a828300006a13ec013ec9b30606"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aff0f1a828300006a13ec013ec9b30606"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#aff0f1a828300006a13ec013ec9b30606">SDL_LogDebug</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, const char *fmt,...)</td></tr>
<tr class="memdesc:aff0f1a828300006a13ec013ec9b30606"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with SDL_LOG_PRIORITY_DEBUG. <br /></td></tr>
<tr class="separator:aff0f1a828300006a13ec013ec9b30606"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a15e7ab89fda3aabbd6272e027b6b89da"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a15e7ab89fda3aabbd6272e027b6b89da"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a15e7ab89fda3aabbd6272e027b6b89da">SDL_LogInfo</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, const char *fmt,...)</td></tr>
<tr class="memdesc:a15e7ab89fda3aabbd6272e027b6b89da"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with SDL_LOG_PRIORITY_INFO. <br /></td></tr>
<tr class="separator:a15e7ab89fda3aabbd6272e027b6b89da"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5bb81e6df2aeca267e70bd85830bc262"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5bb81e6df2aeca267e70bd85830bc262"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a5bb81e6df2aeca267e70bd85830bc262">SDL_LogWarn</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, const char *fmt,...)</td></tr>
<tr class="memdesc:a5bb81e6df2aeca267e70bd85830bc262"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with SDL_LOG_PRIORITY_WARN. <br /></td></tr>
<tr class="separator:a5bb81e6df2aeca267e70bd85830bc262"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2bcdc449eaa14b9bdd146a69b619a8b4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2bcdc449eaa14b9bdd146a69b619a8b4"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a2bcdc449eaa14b9bdd146a69b619a8b4">SDL_LogError</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, const char *fmt,...)</td></tr>
<tr class="memdesc:a2bcdc449eaa14b9bdd146a69b619a8b4"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with SDL_LOG_PRIORITY_ERROR. <br /></td></tr>
<tr class="separator:a2bcdc449eaa14b9bdd146a69b619a8b4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a62f3162ded2d2ca3597fb2d86e87bff4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a62f3162ded2d2ca3597fb2d86e87bff4"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a62f3162ded2d2ca3597fb2d86e87bff4">SDL_LogCritical</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, const char *fmt,...)</td></tr>
<tr class="memdesc:a62f3162ded2d2ca3597fb2d86e87bff4"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with SDL_LOG_PRIORITY_CRITICAL. <br /></td></tr>
<tr class="separator:a62f3162ded2d2ca3597fb2d86e87bff4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9ce82bb94e522cb3c5d63023eba64e75"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9ce82bb94e522cb3c5d63023eba64e75"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a9ce82bb94e522cb3c5d63023eba64e75">SDL_LogMessage</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, <a class="el" href="SDL__log_8h.html#a09e04f1d062a71901f59592c276ad946">SDL_LogPriority</a> priority, const char *fmt,...)</td></tr>
<tr class="memdesc:a9ce82bb94e522cb3c5d63023eba64e75"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with the specified category and priority. <br /></td></tr>
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DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a2cacafd4d8e6d258da40e97a3cb3f80b">SDL_LogMessageV</a> (<a class="el" href="SDL__thread_8h.html#a6a64f9be4433e4de6e2f2f548cf3c08e">int</a> category, <a class="el" href="SDL__log_8h.html#a09e04f1d062a71901f59592c276ad946">SDL_LogPriority</a> priority, const char *fmt, va_list ap)</td></tr>
<tr class="memdesc:a2cacafd4d8e6d258da40e97a3cb3f80b"><td class="mdescLeft"> </td><td class="mdescRight">Log a message with the specified category and priority. <br /></td></tr>
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DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a074ce8cf644b09454ec112084f9f399e">SDL_LogGetOutputFunction</a> (<a class="el" href="SDL__log_8h.html#ab1f3e38983ad57e6dcc130811e6320e0">SDL_LogOutputFunction</a> *callback, <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> **userdata)</td></tr>
<tr class="memdesc:a074ce8cf644b09454ec112084f9f399e"><td class="mdescLeft"> </td><td class="mdescRight">Get the current log output function. <br /></td></tr>
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DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__log_8h.html#a229eb1fdf797f548b20ee98ca8acaac6">SDL_LogSetOutputFunction</a> (<a class="el" href="SDL__log_8h.html#ab1f3e38983ad57e6dcc130811e6320e0">SDL_LogOutputFunction</a> callback, <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> *userdata)</td></tr>
<tr class="memdesc:a229eb1fdf797f548b20ee98ca8acaac6"><td class="mdescLeft"> </td><td class="mdescRight">This function allows you to replace the default log output function with one of your own. <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Simple log messages with categories and priorities.</p>
<p>By default logs are quiet, but if you're debugging SDL you might want: </p><pre class="fragment">SDL_LogSetAllPriority(SDL_LOG_PRIORITY_WARN);
</pre><p>Here's where the messages go on different platforms: Windows: debug output stream Android: log output Others: standard error output (stderr) </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define SDL_MAX_LOG_MESSAGE   4096</td>
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<p>The maximum size of a log message. </p>
<p>Messages longer than the maximum size will be truncated </p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">anonymous enum</td>
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<p>The predefined log categories. </p>
<p>By default the application category is enabled at the INFO level, the assert category is enabled at the WARN level, test is enabled at the VERBOSE level and all other categories are enabled at the CRITICAL level. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL SDL_LogResetPriorities </td>
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<td class="paramtype"><a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> </td>
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<p>Reset all priorities to default. </p>
<dl class="section note"><dt>Note</dt><dd>This is called in <a class="el" href="SDL_8h.html#afdabaf714781099083592051f2d9ac11">SDL_Quit()</a>. </dd></dl>
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