mirror of
https://github.com/systemd/systemd.git
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a07693cda5
Some ambiguity (e.g., same-named man pages in multiple volumes)
makes it impossible to fully automate this, but the following
Python snippet (run inside the man/ directory of the systemd repo)
helped to generate the sed command lines (which were subsequently
manually reviewed, run and the false positives reverted):
from pathlib import Path
import lxml
from lxml import etree as ET
man2vol: dict[str, str] = {}
man2citerefs: dict[str, list] = {}
for file in Path(".").glob("*.xml"):
tree = ET.parse(file, lxml.etree.XMLParser(recover=True))
meta = tree.find("refmeta")
if meta is not None:
title = meta.findtext("refentrytitle")
if title is not None:
vol = meta.findtext("manvolnum")
if vol is not None:
man2vol[title] = vol
citerefs = list(tree.iter("citerefentry"))
if citerefs:
man2citerefs[title] = citerefs
for man, refs in man2citerefs.items():
for ref in refs:
title = ref.findtext("refentrytitle")
if title is not None:
has = ref.findtext("manvolnum")
try:
should_have = man2vol[title]
except KeyError: # Non-systemd man page reference? Ignore.
continue
if has != should_have:
print(
f"sed -i '\\|<citerefentry><refentrytitle>{title}"
f"</refentrytitle><manvolnum>{has}</manvolnum>"
f"</citerefentry>|s|<manvolnum>{has}</manvolnum>|"
f"<manvolnum>{should_have}</manvolnum>|' {man}.xml"
)
(cherry picked from commit 597c6cc119)
177 lines
6.8 KiB
XML
177 lines
6.8 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_reply_method_error"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>sd_bus_reply_method_error</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_reply_method_error</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_reply_method_error</refname>
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<refname>sd_bus_reply_method_errorf</refname>
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<refname>sd_bus_reply_method_errorfv</refname>
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<refname>sd_bus_reply_method_errno</refname>
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<refname>sd_bus_reply_method_errnof</refname>
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<refname>sd_bus_reply_method_errnofv</refname>
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<refpurpose>Reply with an error to a D-Bus method call</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 sd_bus_reply_method_error</funcdef>
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<paramdef>sd_bus_message *<parameter>call</parameter></paramdef>
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<paramdef>const sd_bus_error *<parameter>e</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int sd_bus_reply_method_errorf</funcdef>
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<paramdef>sd_bus_message *<parameter>call</parameter></paramdef>
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<paramdef>const char *<parameter>name</parameter></paramdef>
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<paramdef>const char *<parameter>format</parameter></paramdef>
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<paramdef>...</paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int sd_bus_reply_method_errorfv</funcdef>
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<paramdef>sd_bus_message *<parameter>call</parameter></paramdef>
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<paramdef>const char *<parameter>name</parameter></paramdef>
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<paramdef>const char *<parameter>format</parameter></paramdef>
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<paramdef>va_list <parameter>ap</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int sd_bus_reply_method_errno</funcdef>
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<paramdef>sd_bus_message *<parameter>call</parameter></paramdef>
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<paramdef>int <parameter>error</parameter></paramdef>
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<paramdef>const sd_bus_error *<parameter>p</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int sd_bus_reply_method_errnof</funcdef>
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<paramdef>sd_bus_message *<parameter>call</parameter></paramdef>
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<paramdef>int <parameter>error</parameter></paramdef>
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<paramdef>const char *<parameter>format</parameter></paramdef>
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<paramdef>...</paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int sd_bus_reply_method_errnofv</funcdef>
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<paramdef>sd_bus_message *<parameter>call</parameter></paramdef>
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<paramdef>int <parameter>error</parameter></paramdef>
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<paramdef>const char *<parameter>format</parameter></paramdef>
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<paramdef>va_list <parameter>ap</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>The <function>sd_bus_reply_method_error()</function> function sends an error reply to the
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<parameter>call</parameter> message. The error structure <parameter>e</parameter> specifies the
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error to send, and is used as described in
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<citerefentry><refentrytitle>sd_bus_message_new_method_error</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
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If no reply is expected to <parameter>call</parameter>, this function succeeds without sending a
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reply.</para>
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<para>The <function>sd_bus_reply_method_errorf()</function> is to
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<function>sd_bus_reply_method_error()</function> what
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<function>sd_bus_message_new_method_errorf()</function> is to
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<function>sd_bus_message_new_method_error()</function>.</para>
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<para>The <function>sd_bus_reply_method_errno()</function> is to
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<function>sd_bus_reply_method_error()</function> what
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<function>sd_bus_message_new_method_errno()</function> is to
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<function>sd_bus_message_new_method_error()</function>.</para>
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<para>The <function>sd_bus_reply_method_errnof()</function> is to
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<function>sd_bus_reply_method_error()</function> what
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<function>sd_bus_message_new_method_errnof()</function> is to
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<function>sd_bus_message_new_method_error()</function>.</para>
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</refsect1>
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<refsect1>
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<title>Return Value</title>
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<para>This function returns a non-negative integer if the error reply was successfully sent or
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if <parameter>call</parameter> does not expect a reply. On failure, it returns a negative
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errno-style error code.</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 input parameter <parameter>call</parameter> is
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<constant>NULL</constant>.</para>
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<para>Message <parameter>call</parameter> is not a method call message.</para>
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<para>Message <parameter>call</parameter> is not attached to a bus.</para>
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<para>The error parameter <parameter>e</parameter> to
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<function>sd_bus_reply_method_error()</function> is not set, see
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<citerefentry><refentrytitle>sd_bus_error_is_set</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><constant>-EPERM</constant></term>
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<listitem><para>Message <parameter>call</parameter> has been sealed.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><constant>-ENOTCONN</constant></term>
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<listitem><para>The bus to which message <parameter>call</parameter> is attached is not
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connected.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><constant>-ENOMEM</constant></term>
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<listitem><para>Memory allocation failed.</para></listitem>
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</varlistentry>
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</variablelist>
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<para>In addition, any error returned by
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<citerefentry><refentrytitle>sd_bus_send</refentrytitle><manvolnum>3</manvolnum></citerefentry>
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may be returned.</para>
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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>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_message_new_method_error</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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