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<h2><span class="refentrytitle"><a name="eds-Version-Checking.top_of_page"></a>Version Checking</span></h2>
<p>Version Checking</p>
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<div class="refsect1">
<a name="eds-Version-Checking.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="eds-Version-Checking.html#EDS-CHECK-VERSION:CAPS" title="EDS_CHECK_VERSION()">EDS_CHECK_VERSION</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="eds-Version-Checking.html#eds-check-version" title="eds_check_version ()">eds_check_version</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
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<div class="refsect1">
<a name="eds-Version-Checking.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="eds-Version-Checking.html#EDS-MAJOR-VERSION:CAPS" title="EDS_MAJOR_VERSION">EDS_MAJOR_VERSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="eds-Version-Checking.html#EDS-MINOR-VERSION:CAPS" title="EDS_MINOR_VERSION">EDS_MINOR_VERSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="eds-Version-Checking.html#EDS-MICRO-VERSION:CAPS" title="EDS_MICRO_VERSION">EDS_MICRO_VERSION</a></td>
</tr>
<tr>
<td class="variable_type">extern const guint </td>
<td class="function_name"><a class="link" href="eds-Version-Checking.html#eds-major-version" title="eds_major_version">eds_major_version</a></td>
</tr>
<tr>
<td class="variable_type">extern const guint </td>
<td class="function_name"><a class="link" href="eds-Version-Checking.html#eds-minor-version" title="eds_minor_version">eds_minor_version</a></td>
</tr>
<tr>
<td class="variable_type">extern const guint </td>
<td class="function_name"><a class="link" href="eds-Version-Checking.html#eds-micro-version" title="eds_micro_version">eds_micro_version</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="eds-Version-Checking.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="eds-Version-Checking.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="EDS-CHECK-VERSION:CAPS"></a><h3>EDS_CHECK_VERSION()</h3>
<pre class="programlisting">#define EDS_CHECK_VERSION(major,minor,micro)</pre>
<p>Checks the version of the Evolution-Data-Server library. Returns
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the version of the EDS header files is the same as or newer
than the passed-in version.</p>
<div class="refsect3">
<a name="id-1.5.2.14.6.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>major</p></td>
<td class="parameter_description"><p>the major version number</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minor</p></td>
<td class="parameter_description"><p>the minor version number</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>micro</p></td>
<td class="parameter_description"><p>the micro version number</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="eds-check-version"></a><h3>eds_check_version ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
eds_check_version (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> required_major</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> required_minor</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> required_micro</code></em>);</pre>
<p>Checks that the Evolution-Data-Server library in use is compatible with
the given version. Generally you would pass in the constants
<a class="link" href="eds-Version-Checking.html#EDS-MAJOR-VERSION:CAPS" title="EDS_MAJOR_VERSION"><span class="type">EDS_MAJOR_VERSION</span></a>, <a class="link" href="eds-Version-Checking.html#EDS-MINOR-VERSION:CAPS" title="EDS_MINOR_VERSION"><span class="type">EDS_MINOR_VERSION</span></a>, <a class="link" href="eds-Version-Checking.html#EDS-MICRO-VERSION:CAPS" title="EDS_MICRO_VERSION"><span class="type">EDS_MICRO_VERSION</span></a> as the three
arguments to this function. That produces a check that the library in
use is compatible with the version of Evolution-Data-Server the
application or module was compiled against.</p>
<div class="refsect3">
<a name="id-1.5.2.14.6.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>required_major</p></td>
<td class="parameter_description"><p>the required major version</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>required_minor</p></td>
<td class="parameter_description"><p>the required minor version</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>required_micro</p></td>
<td class="parameter_description"><p>the required micro version</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.5.2.14.6.3.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the Evolution-Data-Server library is compatible with
the given version, or a string describing the version mismatch. The
returned string is owned by libedataserver and must not be modified or
freed.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2.24.html" title="Index of new symbols in 2.24">2.24</a></p>
</div>
</div>
<div class="refsect1">
<a name="eds-Version-Checking.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="EDS-MAJOR-VERSION:CAPS"></a><h3>EDS_MAJOR_VERSION</h3>
<pre class="programlisting">#define EDS_MAJOR_VERSION 3
</pre>
<p>The major version number of the Evolution-Data-Server library. Like
<a class="link" href="eds-Version-Checking.html#eds-major-version" title="eds_major_version"><code class="function">eds_major_version()</code></a>, but from the headers used at application compile
time, rather than from the library linked against at application run
time.</p>
</div>
<hr>
<div class="refsect2">
<a name="EDS-MINOR-VERSION:CAPS"></a><h3>EDS_MINOR_VERSION</h3>
<pre class="programlisting">#define EDS_MINOR_VERSION 18
</pre>
<p>The minor version number of the Evolution-Data-Server library. Like
<a class="link" href="eds-Version-Checking.html#eds-minor-version" title="eds_minor_version"><code class="function">eds_minor_version()</code></a>, but from the headers used at application compile
time, rather than from the library linked against at application run
time.</p>
</div>
<hr>
<div class="refsect2">
<a name="EDS-MICRO-VERSION:CAPS"></a><h3>EDS_MICRO_VERSION</h3>
<pre class="programlisting">#define EDS_MICRO_VERSION 5
</pre>
<p>The micro version number of the Evolution-Data-Server library. Like
<a class="link" href="eds-Version-Checking.html#eds-micro-version" title="eds_micro_version"><code class="function">eds_micro_version()</code></a>, but from the headers used at application compile
time, rather than from the library linked against at application run
time.</p>
</div>
<hr>
<div class="refsect2">
<a name="eds-major-version"></a><h3>eds_major_version</h3>
<pre class="programlisting">extern const guint eds_major_version;
</pre>
<p>The major version number of the Evolution-Data-Server libraries.
(e.g. in Evolution-Data-Server 2.24.1 this is 2.)</p>
<p>This variable is in the library, so it represents the EDS library you
have linked against. Contrast with the EDS_MAJOR_VERSION macro, which
represents the major version of the EDS headers you have included.</p>
</div>
<hr>
<div class="refsect2">
<a name="eds-minor-version"></a><h3>eds_minor_version</h3>
<pre class="programlisting">extern const guint eds_minor_version;
</pre>
<p>The minor version number of the Evolution-Data-Server libraries.
(e.g. in Evolution-Data-Server 2.24.1 this is 24.)</p>
<p>This variable is in the library, so it represents the EDS library you
have linked against. Contrast with the EDS_MINOR_VERSION macro, which
represents the minor version of the EDS headers you have included.</p>
</div>
<hr>
<div class="refsect2">
<a name="eds-micro-version"></a><h3>eds_micro_version</h3>
<pre class="programlisting">extern const guint eds_micro_version;
</pre>
<p>The micro version number of the Evolution-Data-Server libraries.
(e.g. in Evolution-Data-Server 2.24.1 this is 1.)</p>
<p>This variable is in the library, so it represents the EDS library you
have linked against. Contrast with the EDS_MICRO_VERSION macro, which
represents the micro version of the EDS headers you have included.</p>
</div>
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