<?xml version='1.0'?> <!--*-nxml-*--> <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> <!-- This file is part of systemd. Copyright 2014 Zbigniew Jędrzejewski-Szmek systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. --> <refentry id="sd_bus_message_append_strv" conditional="ENABLE_KDBUS" xmlns:xi="http://www.w3.org/2001/XInclude"> <refentryinfo> <title>sd_bus_message_append_strv</title> <productname>systemd</productname> <authorgroup> <author> <contrib>A monkey with a typewriter</contrib> <firstname>Zbigniew</firstname> <surname>Jędrzejewski-Szmek</surname> <email>zbyszek@in.waw.pl</email> </author> </authorgroup> </refentryinfo> <refmeta> <refentrytitle>sd_bus_message_append_strv</refentrytitle> <manvolnum>3</manvolnum> </refmeta> <refnamediv> <refname>sd_bus_message_append_strv</refname> <refpurpose>Attach an array of strings to a message</refpurpose> </refnamediv> <refsynopsisdiv> <funcsynopsis> <funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo> <funcprototype> <funcdef>int sd_bus_message_append_strv</funcdef> <paramdef>sd_bus_message *<parameter>m</parameter></paramdef> <paramdef>char **<parameter>l</parameter></paramdef> </funcprototype> </funcsynopsis> </refsynopsisdiv> <refsect1> <title>Description</title> <para>The <function>sd_bus_message_append</function> function can be used to append an array of strings to message <parameter>m</parameter>. The parameter <parameter>l</parameter> shall point to a <constant>NULL</constant>-terminated array of pointers to <constant>NUL</constant>-terminated strings. Each string must satisfy the same constraints as described for the <literal>s</literal> type in <citerefentry><refentrytitle>sd_bus_message_append_basic</refentrytitle><manvolnum>3</manvolnum></citerefentry>. </para> <para>The memory pointed at by <parameter>p</parameter> 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 <parameter>l</parameter> parameter is to be treated as <type>const char *const *</type>, and the contents will not be modified.</para> </refsect1> <refsect1> <title>Return Value</title> <para>On success, this call returns 0 or a positive integer. On failure, a negative errno-style error code is returned.</para> </refsect1> <xi:include href="sd_bus_message_append_basic.xml" xpointer="errors" /> <refsect1> <title>Notes</title> <para>The <function>sd_bus_append_append_strv()</function> function described here is available as a shared library, which can be compiled and linked to with the <constant>libsystemd</constant> <citerefentry project='die-net'><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry> file.</para> </refsect1> <refsect1> <title>See Also</title> <para> <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>sd-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry>, <citerefentry><refentrytitle>sd_bus_message_append</refentrytitle><manvolnum>3</manvolnum></citerefentry>, <citerefentry><refentrytitle>sd_bus_message_append_array</refentrytitle><manvolnum>3</manvolnum></citerefentry>, <ulink url="http://dbus.freedesktop.org/doc/dbus-specification.html">The D-Bus specification</ulink> </para> </refsect1> </refentry>