mirror of
https://github.com/systemd/systemd
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106 lines
3.9 KiB
XML
106 lines
3.9 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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<refentry id="sd_bus_interface_name_is_valid" xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>sd_bus_interface_name_is_valid</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>sd_bus_interface_name_is_valid</refentrytitle>
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<manvolnum>3</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>sd_bus_interface_name_is_valid</refname>
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<refname>sd_bus_service_name_is_valid</refname>
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<refname>sd_bus_member_name_is_valid</refname>
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<refname>sd_bus_object_path_is_valid</refname>
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<refpurpose>Check if a string is a valid bus name or object path</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<funcsynopsis>
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<funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo>
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<funcprototype>
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<funcdef>int <function>sd_bus_interface_name_is_valid</function></funcdef>
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<paramdef>const char* <parameter>p</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int <function>sd_bus_service_name_is_valid</function></funcdef>
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<paramdef>const char* <parameter>p</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int <function>sd_bus_member_name_is_valid</function></funcdef>
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<paramdef>const char* <parameter>p</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int <function>sd_bus_object_path_is_valid</function></funcdef>
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<paramdef>const char* <parameter>p</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><function>sd_bus_interface_name_is_valid()</function> checks if a given string
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<parameter>p</parameter> is a syntactically valid bus interface name. Similarly,
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<function>sd_bus_service_name_is_valid()</function> checks if the argument is a valid bus service name,
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<function>sd_bus_member_name_is_valid()</function> checks if the argument is a valid bus interface member
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name, and <function>sd_bus_object_path_is_valid()</function> checks if the argument is a valid bus object
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path. Those functions generally check that only allowed characters are used and that the length of the
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string is within limits.</para>
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</refsect1>
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<refsect1>
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<title>Return Value</title>
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<para>Those functions return 1 if the argument is a valid interface / service / member name or object
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path, and 0 if it is not. If the argument is <constant>NULL</constant>, an error is returned.</para>
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<refsect2>
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<title>Errors</title>
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<para>Returned errors may indicate the following problems:</para>
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<variablelist>
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<varlistentry>
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<term><constant>-EINVAL</constant></term>
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<listitem><para>The <parameter>p</parameter> parameter is
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<constant>NULL</constant>.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect2>
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</refsect1>
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<xi:include href="libsystemd-pkgconfig.xml" />
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<refsect1>
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<title>History</title>
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<para><function>sd_bus_interface_name_is_valid()</function>,
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<function>sd_bus_service_name_is_valid()</function>,
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<function>sd_bus_member_name_is_valid()</function>, and
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<function>sd_bus_object_path_is_valid()</function> were added in version 246.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para><simplelist type="inline">
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<member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
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<member><citerefentry><refentrytitle>sd-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
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<member><citerefentry><refentrytitle>sd_bus_call_method</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
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</simplelist></para>
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</refsect1>
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</refentry>
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