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<?xml version="1.0"?>
<page xmlns="http://projectmallard.org/1.0/"
type="topic"
style="function"
xmlns:api="http://projectmallard.org/experimental/api/"
xmlns:ui="http://projectmallard.org/experimental/ui/"
id="mongoc_client_get_default_database">
<info>
<link type="guide" xref="mongoc_client_t" group="function"/>
</info>
<title>mongoc_client_get_default_database()</title>
<section id="synopsis">
<title>Synopsis</title>
<synopsis><code mime="text/x-csrc"><![CDATA[mongoc_database_t *
mongoc_client_get_default_database (mongoc_client_t *client);
]]></code></synopsis>
<p>Get the database named in the MongoDB connection URI, or <code>NULL</code> if the URI specifies none.</p>
<p>Useful when you want to choose which database to use based only on the URI in a configuration file.</p>
</section>
<section id="parameters">
<title>Parameters</title>
<table>
<tr><td><p>client</p></td><td><p>A <code xref="mongoc_client_t">mongoc_client_t</code>.</p></td></tr>
</table>
</section>
<section id="return">
<title>Returns</title>
<p>A newly allocated <code xref="mongoc_client_t">mongoc_database_t</code> that should be freed with <code xref="mongoc_database_destroy">mongoc_database_destroy()</code>.</p>
</section>
<section id="example">
<title>Example</title>
<listing>
<title>Default Database Example</title>
<code mime="text/x-csrc"><![CDATA[
/* default database is "db_name" */
mongoc_client_t *client = mongoc_client_new ("mongodb://host/db_name");
mongoc_database_t *db = mongoc_client_get_default_database (client);
assert (!strcmp ("db_name", mongoc_database_get_name (db)));
mongoc_database_destroy (db);
mongoc_client_destroy (client);
/* no default database */
client = mongoc_client_new ("mongodb://host/");
db = mongoc_client_get_default_database (client);
assert (!db);
mongoc_client_destroy (client);
]]></code>
</listing>
</section>
</page>
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