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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>sd_bus_message_append_strv</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 220</span><hr><div class="refentry"><a name="sd_bus_message_append_strv"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>sd_bus_message_append_strv — Attach an array of strings to a message</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><pre class="funcsynopsisinfo">#include <systemd/sd-bus.h></pre><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int sd_bus_message_append_strv(</code></td><td>sd_bus_message *<var class="pdparam">m</var>, </td></tr><tr><td> </td><td>char **<var class="pdparam">l</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idm140533795239760"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p>The <code class="function">sd_bus_message_append</code> function can be
used to append an array of strings to message
<em class="parameter"><code>m</code></em>. The parameter <em class="parameter"><code>l</code></em>
shall point to a <code class="constant">NULL</code>-terminated array of pointers
to <code class="constant">NUL</code>-terminated strings. Each string must
satisfy the same constraints as described for the
"<code class="literal">s</code>" type in
<a href="sd_bus_message_append_basic.html"><span class="citerefentry"><span class="refentrytitle">sd_bus_message_append_basic</span>(3)</span></a>.
</p><p>The memory pointed at by <em class="parameter"><code>p</code></em> and the
contents of the strings themselves are copied into the memory area
containing the message and may be changed after this call. Note
that the signature of <em class="parameter"><code>l</code></em> parameter is to be
treated as <span class="type">const char *const *</span>, and the contents
will not be modified.</p></div><div class="refsect1"><a name="idm140533790334016"></a><h2 id="Return Value">Return Value<a class="headerlink" title="Permalink to this headline" href="#Return%20Value">¶</a></h2><p>On success, this call returns 0 or a positive integer. On
failure, a negative errno-style error code is returned.</p></div><div class="refsect1"><a name="errors"></a><h2 id="Errors">Errors<a class="headerlink" title="Permalink to this headline" href="#Errors">¶</a></h2><p>Returned errors may indicate the following problems:</p><div class="variablelist"><dl class="variablelist"><dt id="-EINVAL"><span class="term"><code class="constant">-EINVAL</code></span><a class="headerlink" title="Permalink to this term" href="#-EINVAL">¶</a></dt><dd><p>Specified parameter is invalid.
</p></dd><dt id="-EPERM"><span class="term"><code class="constant">-EPERM</code></span><a class="headerlink" title="Permalink to this term" href="#-EPERM">¶</a></dt><dd><p>Message has been sealed.
</p></dd><dt id="-ESTALE"><span class="term"><code class="constant">-ESTALE</code></span><a class="headerlink" title="Permalink to this term" href="#-ESTALE">¶</a></dt><dd><p>Message is in invalid state.
</p></dd><dt id="-ENXIO"><span class="term"><code class="constant">-ENXIO</code></span><a class="headerlink" title="Permalink to this term" href="#-ENXIO">¶</a></dt><dd><p>Message cannot be appended to.
</p></dd><dt id="-ENOMEM"><span class="term"><code class="constant">-ENOMEM</code></span><a class="headerlink" title="Permalink to this term" href="#-ENOMEM">¶</a></dt><dd><p>Memory allocation failed.</p></dd></dl></div></div><div class="refsect1"><a name="idm140533790332000"></a><h2 id="Notes">Notes<a class="headerlink" title="Permalink to this headline" href="#Notes">¶</a></h2><p>The <code class="function">sd_bus_append_append_strv()</code> function
described here is available as a shared library, which can be
compiled and linked to with the
<code class="constant">libsystemd</code> <a href="http://linux.die.net/man/1/pkg-config"><span class="citerefentry"><span class="refentrytitle">pkg-config</span>(1)</span></a>
file.</p></div><div class="refsect1"><a name="idm140533790328704"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
<a href="sd-bus.html"><span class="citerefentry"><span class="refentrytitle">sd-bus</span>(3)</span></a>,
<a href="sd_bus_message_append.html"><span class="citerefentry"><span class="refentrytitle">sd_bus_message_append</span>(3)</span></a>,
<a href="sd_bus_message_append_array.html"><span class="citerefentry"><span class="refentrytitle">sd_bus_message_append_array</span>(3)</span></a>,
<a class="ulink" href="http://dbus.freedesktop.org/doc/dbus-specification.html" target="_top">The D-Bus specification</a>
</p></div></div></body></html>
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