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Diffstat (limited to 'man/sd_bus_message_skip.xml')
-rw-r--r-- | man/sd_bus_message_skip.xml | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/man/sd_bus_message_skip.xml b/man/sd_bus_message_skip.xml new file mode 100644 index 0000000..7a227c4 --- /dev/null +++ b/man/sd_bus_message_skip.xml @@ -0,0 +1,108 @@ +<?xml version='1.0'?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- SPDX-License-Identifier: LGPL-2.1-or-later --> + +<refentry id="sd_bus_message_skip" xmlns:xi="http://www.w3.org/2001/XInclude"> + <refentryinfo> + <title>sd_bus_message_skip</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>sd_bus_message_skip</refentrytitle> + <manvolnum>3</manvolnum> + </refmeta> + + <refnamediv> + <refname>sd_bus_message_skip</refname> + + <refpurpose>Skip elements in a bus message</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <funcsynopsis> + <funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo> + + <funcprototype> + <funcdef>int <function>sd_bus_message_skip</function></funcdef> + <paramdef>sd_bus_message *<parameter>m</parameter></paramdef> + <paramdef>const char* <parameter>types</parameter></paramdef> + </funcprototype> + </funcsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><function>sd_bus_message_skip()</function> is somewhat similar to + <citerefentry><refentrytitle>sd_bus_message_read</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + but instead of reading the contents of the message, it only moves the "read pointer". Subsequent + read operations will read the elements that are after the elements that were skipped.</para> + + <para>The <parameter>types</parameter> argument has the same meaning as in + <function>sd_bus_message_read()</function>. It may also be <constant>NULL</constant>, to skip a + single element of any type.</para> + </refsect1> + + <refsect1> + <title>Return Value</title> + + <para>On success, <function>sd_bus_message_skip()</function> returns 0 or a positive integer. On + failure, it returns a negative errno-style error code.</para> + + <refsect2> + <title>Errors</title> + + <para>Returned errors may indicate the following problems:</para> + + <variablelist> + <varlistentry> + <term><constant>-EINVAL</constant></term> + + <listitem><para>The <parameter>m</parameter> parameter is + <constant>NULL</constant>.</para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-EBADMSG</constant></term> + + <listitem><para>The message cannot be parsed.</para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-EPERM</constant></term> + + <listitem><para>The message is not sealed.</para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-ENXIO</constant></term> + + <listitem><para>The message end has been reached and the requested elements cannot be read. + </para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-ENOMEM</constant></term> + + <listitem><para>Memory allocation failed.</para></listitem> + </varlistentry> + </variablelist> + </refsect2> + </refsect1> + + <xi:include href="libsystemd-pkgconfig.xml" /> + + <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_read</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_bus_message_read_basic</refentrytitle><manvolnum>3</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |