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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
commit | 19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch) | |
tree | d59b9989ce55ed23693e80974d94c856f1c2c8b1 /man/sd_journal_get_catalog.xml | |
parent | Initial commit. (diff) | |
download | systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.tar.xz systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.zip |
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/sd_journal_get_catalog.xml')
-rw-r--r-- | man/sd_journal_get_catalog.xml | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/man/sd_journal_get_catalog.xml b/man/sd_journal_get_catalog.xml new file mode 100644 index 0000000..80edc08 --- /dev/null +++ b/man/sd_journal_get_catalog.xml @@ -0,0 +1,116 @@ +<?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"> + +<!-- + SPDX-License-Identifier: LGPL-2.1+ +--> + +<refentry id="sd_journal_get_catalog" xmlns:xi="http://www.w3.org/2001/XInclude"> + + <refentryinfo> + <title>sd_journal_get_catalog</title> + <productname>systemd</productname> + </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="https://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 specific thread may operate on a given object during its entire lifetime. It's safe to allocate multiple + independent objects and use each from a specific thread in parallel. However, it's not safe to allocate such an + object in one thread, and operate or free it from any other, even if locking is used to ensure these threads don't + operate on it at the very same time.</para> + + <para>Function <function>sd_journal_get_catalog_for_message_id()</function> is are thread-safe and may be called in + parallel from multiple threads.</para> + + <xi:include href="libsystemd-pkgconfig.xml" xpointer="pkgconfig-text"/> + </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> |