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1 <?xml version='1.0'?> <!--*-nxml-*-->
2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
3 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
4
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8 Copyright 2012 Lennart Poettering
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12 the Free Software Foundation; either version 2.1 of the License, or
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23
24 <refentry id="sd_journal_get_usage">
25
26 <refentryinfo>
27 <title>sd_journal_get_usage</title>
28 <productname>systemd</productname>
29
30 <authorgroup>
31 <author>
32 <contrib>Developer</contrib>
33 <firstname>Lennart</firstname>
34 <surname>Poettering</surname>
35 <email>lennart@poettering.net</email>
36 </author>
37 </authorgroup>
38 </refentryinfo>
39
40 <refmeta>
41 <refentrytitle>sd_journal_get_usage</refentrytitle>
42 <manvolnum>3</manvolnum>
43 </refmeta>
44
45 <refnamediv>
46 <refname>sd_journal_get_usage</refname>
47 <refpurpose>Journal disk usage</refpurpose>
48 </refnamediv>
49
50 <refsynopsisdiv>
51 <funcsynopsis>
52 <funcsynopsisinfo>#include &lt;systemd/sd-journal.h&gt;</funcsynopsisinfo>
53
54 <funcprototype>
55 <funcdef>int <function>sd_journal_get_usage</function></funcdef>
56 <paramdef>sd_journal *<parameter>j</parameter></paramdef>
57 <paramdef>uint64_t *<parameter>bytes</parameter></paramdef>
58 </funcprototype>
59
60 </funcsynopsis>
61 </refsynopsisdiv>
62
63 <refsect1>
64 <title>Description</title>
65
66 <para><function>sd_journal_get_usage()</function> determines the
67 total disk space currently used by journal files (in bytes). If
68 <constant>SD_JOURNAL_LOCAL_ONLY</constant> was passed when opening
69 the journal, this value will only reflect the size of journal
70 files of the local host, otherwise of all hosts.</para>
71 </refsect1>
72
73 <refsect1>
74 <title>Return Value</title>
75
76 <para><function>sd_journal_get_usage()</function> returns 0 on
77 success or a negative errno-style error code.</para>
78 </refsect1>
79
80 <refsect1>
81 <title>Notes</title>
82
83 <para>The <function>sd_journal_get_usage()</function> interface is
84 available as a shared library, which can be compiled and linked to
85 with the
86 <constant>libsystemd</constant> <citerefentry project='die-net'><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
87 file.</para>
88 </refsect1>
89
90 <refsect1>
91 <title>See Also</title>
92
93 <para>
94 <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
95 <citerefentry><refentrytitle>sd-journal</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
96 <citerefentry><refentrytitle>sd_journal_open</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
97 </para>
98 </refsect1>
99
100 </refentry>