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Diffstat (limited to 'src/libsystemd/sd_journal_get_catalog.xml')
| -rw-r--r-- | src/libsystemd/sd_journal_get_catalog.xml | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/libsystemd/sd_journal_get_catalog.xml b/src/libsystemd/sd_journal_get_catalog.xml new file mode 100644 index 0000000000..35ec46f63e --- /dev/null +++ b/src/libsystemd/sd_journal_get_catalog.xml @@ -0,0 +1,141 @@ +<?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 2012 Lennart Poettering + + 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_journal_get_catalog"> + + <refentryinfo> + <title>sd_journal_get_catalog</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Lennart</firstname> + <surname>Poettering</surname> + <email>lennart@poettering.net</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>sd_journal_get_catalog</refentrytitle> + <manvolnum>3</manvolnum> + </refmeta> + + <refnamediv> + <refname>sd_journal_get_catalog</refname> + <refname>sd_journal_get_catalog_for_message_id</refname> + <refpurpose>Retrieve message catalog entry</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <funcsynopsis> + <funcsynopsisinfo>#include <systemd/sd-journal.h></funcsynopsisinfo> + + <funcprototype> + <funcdef>int <function>sd_journal_get_catalog</function></funcdef> + <paramdef>sd_journal *<parameter>j</parameter></paramdef> + <paramdef>char **<parameter>ret</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>int <function>sd_journal_get_catalog_for_message_id</function></funcdef> + <paramdef>sd_id128_t <parameter>id</parameter></paramdef> + <paramdef>char **<parameter>ret</parameter></paramdef> + </funcprototype> + + + </funcsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><function>sd_journal_get_catalog()</function> retrieves a + message catalog entry for the current journal entry. This will + look up an entry in the message catalog by using the + <literal>MESSAGE_ID=</literal> field of the current journal entry. + Before returning the entry all journal field names in the catalog + entry text enclosed in "@" will be replaced by the respective + field values of the current entry. If a field name referenced in + the message catalog entry does not exist, in the current journal + entry, the "@" will be removed, but the field name otherwise left + untouched.</para> + + <para><function>sd_journal_get_catalog_for_message_id()</function> + works similar to <function>sd_journal_get_catalog()</function> but + the entry is looked up by the specified message ID (no open + journal context is necessary for this), and no field substitution + is performed.</para> + + <para>For more information about the journal message catalog + please refer to the <ulink + url="http://www.freedesktop.org/wiki/Software/systemd/catalog">Journal + Message Catalogs</ulink> documentation page.</para> + </refsect1> + + <refsect1> + <title>Return Value</title> + + <para><function>sd_journal_get_catalog()</function> and + <function>sd_journal_get_catalog_for_message_id()</function> + return 0 on success or a negative errno-style error code. If no + matching message catalog entry is found, -ENOENT is + returned.</para> + + <para>On successful return, <parameter>ret</parameter> points to a + new string, which must be freed with + <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry>. + </para> + </refsect1> + + <refsect1> + <title>Notes</title> + + <para>Function <function>sd_journal_get_catalog()</function> is thread-agnostic and only a + single thread may operate on a given <structname>sd_journal</structname> object. Function + <function>sd_journal_get_catalog_for_message_id() is thread-safe.</function></para> + + <para>The <function>sd_journal_get_catalog()</function> and + <function>sd_journal_get_catalog_for_message_id()</function> + interfaces are 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>systemd.journal-fields</refentrytitle><manvolnum>7</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd-journal</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_journal_open</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_journal_next</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_journal_get_data</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>malloc</refentrytitle><manvolnum>3</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |