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<a href="#liboil-liboildebug.description" class="shortcut">Description</a>
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<div class="refentry" title="Debug">
<a name="liboil-liboildebug"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="liboil-liboildebug.top_of_page"></a>Debug</span></h2>
<p>Debug — Printing and formatting debug information</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="liboil-liboildebug.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
void (<a class="link" href="liboil-liboildebug.html#OilDebugPrintFunc" title="OilDebugPrintFunc ()">*OilDebugPrintFunc</a>) (int level,
const char *file,
const char *func,
int line,
const char *format,
va_list varargs);
enum <a class="link" href="liboil-liboildebug.html#OilDebugLevel" title="enum OilDebugLevel">OilDebugLevel</a>;
void <a class="link" href="liboil-liboildebug.html#oil-debug-set-print-function" title="oil_debug_set_print_function ()">oil_debug_set_print_function</a> (<a class="link" href="liboil-liboildebug.html#OilDebugPrintFunc" title="OilDebugPrintFunc ()">OilDebugPrintFunc</a> func);
int <a class="link" href="liboil-liboildebug.html#oil-debug-get-level" title="oil_debug_get_level ()">oil_debug_get_level</a> (void);
void <a class="link" href="liboil-liboildebug.html#oil-debug-set-level" title="oil_debug_set_level ()">oil_debug_set_level</a> (int level);
#define <a class="link" href="liboil-liboildebug.html#OIL-ERROR--CAPS" title="OIL_ERROR()">OIL_ERROR</a> (...)
#define <a class="link" href="liboil-liboildebug.html#OIL-WARNING--CAPS" title="OIL_WARNING()">OIL_WARNING</a> (...)
#define <a class="link" href="liboil-liboildebug.html#OIL-INFO--CAPS" title="OIL_INFO()">OIL_INFO</a> (...)
#define <a class="link" href="liboil-liboildebug.html#OIL-DEBUG--CAPS" title="OIL_DEBUG()">OIL_DEBUG</a> (...)
#define <a class="link" href="liboil-liboildebug.html#OIL-LOG--CAPS" title="OIL_LOG()">OIL_LOG</a> (...)
#define <a class="link" href="liboil-liboildebug.html#OIL-FUNCTION--CAPS" title="OIL_FUNCTION">OIL_FUNCTION</a>
#define <a class="link" href="liboil-liboildebug.html#OIL-DEBUG-PRINT--CAPS" title="OIL_DEBUG_PRINT()">OIL_DEBUG_PRINT</a> (level, ...)
</pre>
</div>
<div class="refsect1" title="Description">
<a name="liboil-liboildebug.description"></a><h2>Description</h2>
<p>
</p>
<p>
</p>
</div>
<div class="refsect1" title="Details">
<a name="liboil-liboildebug.details"></a><h2>Details</h2>
<div class="refsect2" title="OilDebugPrintFunc ()">
<a name="OilDebugPrintFunc"></a><h3>OilDebugPrintFunc ()</h3>
<pre class="programlisting">void (*OilDebugPrintFunc) (int level,
const char *file,
const char *func,
int line,
const char *format,
va_list varargs);</pre>
<p>
Typedef describing functions that can be registered using
<a class="link" href="liboil-liboildebug.html#oil-debug-set-print-function" title="oil_debug_set_print_function ()"><code class="function">oil_debug_set_print_function()</code></a> so that it is called to
print debugging messages.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>level</code></em> :</span></p></td>
<td> the debug level
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
<td> name of the file where the debug message occurs
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td> name of the function where the debug message occurs
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>line</code></em> :</span></p></td>
<td> line in the file where the debug message occurs
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td> a printf format
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>varargs</code></em> :</span></p></td>
<td> varargs for the printf format
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum OilDebugLevel">
<a name="OilDebugLevel"></a><h3>enum OilDebugLevel</h3>
<pre class="programlisting">typedef enum {
OIL_DEBUG_NONE = 0,
OIL_DEBUG_ERROR,
OIL_DEBUG_WARNING,
OIL_DEBUG_INFO,
OIL_DEBUG_DEBUG,
OIL_DEBUG_LOG
} OilDebugLevel;
</pre>
<p>
Enumeration describing debug levels in Liboil.</p>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="oil_debug_set_print_function ()">
<a name="oil-debug-set-print-function"></a><h3>oil_debug_set_print_function ()</h3>
<pre class="programlisting">void oil_debug_set_print_function (<a class="link" href="liboil-liboildebug.html#OilDebugPrintFunc" title="OilDebugPrintFunc ()">OilDebugPrintFunc</a> func);</pre>
<p>
Sets the function to call when outputting debugging information.
A value of NULL for <em class="parameter"><code>func</code></em> will restore the default handler,
which prints debugging information to stderr.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="oil_debug_get_level ()">
<a name="oil-debug-get-level"></a><h3>oil_debug_get_level ()</h3>
<pre class="programlisting">int oil_debug_get_level (void);</pre>
<p>
Gets the current debug level.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the current debug level
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="oil_debug_set_level ()">
<a name="oil-debug-set-level"></a><h3>oil_debug_set_level ()</h3>
<pre class="programlisting">void oil_debug_set_level (int level);</pre>
<p>
Sets the current debug level.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>level</code></em> :</span></p></td>
<td> the new debug level
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="OIL_ERROR()">
<a name="OIL-ERROR--CAPS"></a><h3>OIL_ERROR()</h3>
<pre class="programlisting">#define OIL_ERROR(...) OIL_DEBUG_PRINT(OIL_DEBUG_ERROR, __VA_ARGS__)
</pre>
<p>
Macro to call <a class="link" href="liboil-liboildebug.html#OIL-DEBUG-PRINT--CAPS" title="OIL_DEBUG_PRINT()"><code class="function">OIL_DEBUG_PRINT()</code></a> with a level of <span class="type">OIL_DEBUG_ERROR</span>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="OIL_WARNING()">
<a name="OIL-WARNING--CAPS"></a><h3>OIL_WARNING()</h3>
<pre class="programlisting">#define OIL_WARNING(...) OIL_DEBUG_PRINT(OIL_DEBUG_WARNING, __VA_ARGS__)
</pre>
<p>
Macro to call <a class="link" href="liboil-liboildebug.html#OIL-DEBUG-PRINT--CAPS" title="OIL_DEBUG_PRINT()"><code class="function">OIL_DEBUG_PRINT()</code></a> with a level of <span class="type">OIL_DEBUG_WARNING</span>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="OIL_INFO()">
<a name="OIL-INFO--CAPS"></a><h3>OIL_INFO()</h3>
<pre class="programlisting">#define OIL_INFO(...) OIL_DEBUG_PRINT(OIL_DEBUG_INFO, __VA_ARGS__)
</pre>
<p>
Macro to call <a class="link" href="liboil-liboildebug.html#OIL-DEBUG-PRINT--CAPS" title="OIL_DEBUG_PRINT()"><code class="function">OIL_DEBUG_PRINT()</code></a> with a level of <span class="type">OIL_DEBUG_INFO</span>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="OIL_DEBUG()">
<a name="OIL-DEBUG--CAPS"></a><h3>OIL_DEBUG()</h3>
<pre class="programlisting">#define OIL_DEBUG(...) OIL_DEBUG_PRINT(OIL_DEBUG_DEBUG, __VA_ARGS__)
</pre>
<p>
Macro to call <a class="link" href="liboil-liboildebug.html#OIL-DEBUG-PRINT--CAPS" title="OIL_DEBUG_PRINT()"><code class="function">OIL_DEBUG_PRINT()</code></a> with a level of <span class="type">OIL_DEBUG_DEBUG</span>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="OIL_LOG()">
<a name="OIL-LOG--CAPS"></a><h3>OIL_LOG()</h3>
<pre class="programlisting">#define OIL_LOG(...) OIL_DEBUG_PRINT(OIL_DEBUG_LOG, __VA_ARGS__)
</pre>
<p>
Macro to call <a class="link" href="liboil-liboildebug.html#OIL-DEBUG-PRINT--CAPS" title="OIL_DEBUG_PRINT()"><code class="function">OIL_DEBUG_PRINT()</code></a> with a level of <span class="type">OIL_DEBUG_LOG</span>.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="OIL_FUNCTION">
<a name="OIL-FUNCTION--CAPS"></a><h3>OIL_FUNCTION</h3>
<pre class="programlisting">#define OIL_FUNCTION</pre>
<p>
Internal macro that points to __PRETTY_FUNCTION__ or __func__
if the former is not available.</p>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="OIL_DEBUG_PRINT()">
<a name="OIL-DEBUG-PRINT--CAPS"></a><h3>OIL_DEBUG_PRINT()</h3>
<pre class="programlisting">#define OIL_DEBUG_PRINT(level, ...)</pre>
<p>
Macro to call <code class="function">oil_debug_print()</code> with the correct values for
the name of the source file, line of source file, and function.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>level</code></em> :</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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