X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd_journal_seek_head.xml;h=d74c2d5bbc6ea26be066ac3ca591f74469ecc52c;hp=f8a4eb1d20bdc1b7b192692dfa55f63e47915b19;hb=53d6837510478e1275b294654663635466cbafc7;hpb=49f43d5f91a99b23f745726aa351d8f159774357

diff --git a/man/sd_journal_seek_head.xml b/man/sd_journal_seek_head.xml
index f8a4eb1d2..d74c2d5bb 100644
--- a/man/sd_journal_seek_head.xml
+++ b/man/sd_journal_seek_head.xml
@@ -1,6 +1,6 @@
 <?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">
+  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
   This file is part of systemd.
@@ -23,151 +23,150 @@
 
 <refentry id="sd_journal_seek_head">
 
-        <refentryinfo>
-                <title>sd_journal_seek_head</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_seek_head</refentrytitle>
-                <manvolnum>3</manvolnum>
-        </refmeta>
-
-        <refnamediv>
-                <refname>sd_journal_seek_head</refname>
-                <refname>sd_journal_seek_tail</refname>
-                <refname>sd_journal_seek_monotonic_usec</refname>
-                <refname>sd_journal_seek_realtime_usec</refname>
-                <refname>sd_journal_seek_cursor</refname>
-                <refpurpose>Seek to a position in the
-                journal</refpurpose>
-        </refnamediv>
-
-        <refsynopsisdiv>
-                <funcsynopsis>
-                        <funcsynopsisinfo>#include &lt;systemd/sd-journal.h&gt;</funcsynopsisinfo>
-
-                        <funcprototype>
-                                <funcdef>int <function>sd_journal_seek_head</function></funcdef>
-                                <paramdef>sd_journal* <parameter>j</parameter></paramdef>
-                        </funcprototype>
-
-                        <funcprototype>
-                                <funcdef>int <function>sd_journal_seek_tail</function></funcdef>
-                                <paramdef>sd_journal* <parameter>j</parameter></paramdef>
-                        </funcprototype>
-
-                        <funcprototype>
-                                <funcdef>int <function>sd_journal_seek_monotonic_usec</function></funcdef>
-                                <paramdef>sd_journal* <parameter>j</parameter></paramdef>
-                                <paramdef>sd_id128_t <parameter>boot_id</parameter></paramdef>
-                                <paramdef>uint64_t <parameter>usec</parameter></paramdef>
-                        </funcprototype>
-
-                        <funcprototype>
-                                <funcdef>int <function>sd_journal_seek_realtime_usec</function></funcdef>
-                                <paramdef>sd_journal* <parameter>j</parameter></paramdef>
-                                <paramdef>uint64_t <parameter>usec</parameter></paramdef>
-                        </funcprototype>
-
-                        <funcprototype>
-                                <funcdef>int <function>sd_journal_seek_cursor</function></funcdef>
-                                <paramdef>sd_journal* <parameter>j</parameter></paramdef>
-                                <paramdef>const char * <parameter>cursor</parameter></paramdef>
-                        </funcprototype>
-                </funcsynopsis>
-        </refsynopsisdiv>
-
-        <refsect1>
-                <title>Description</title>
-
-                <para><function>sd_journal_seek_head()</function>
-                seeks to the beginning of the journal, i.e. the oldest
-                available entry.</para>
-
-                <para>Similar,
-                <function>sd_journal_seek_tail()</function> may be
-                used to seek to the end of the journal, i.e. the most
-                recent available entry.</para>
-
-                <para><function>sd_journal_seek_monotonic_usec()</function>
-                seeks to the entry with the specified monotonic
-                timestamp, i.e. CLOCK_MONOOTONIC. Since monotonic time
-                restarts on every reboot a boot ID needs to be
-                specified as well.</para>
-
-                <para><function>sd_journal_seek_realtime_usec()</function>
-                seeks to the entry with the specified realtime
-                (wallclock) timestamp, i.e. CLOCK_REALTIME. Note that
-                the realtime clock is not necessary monotonic. If a
-                realtime timestamp is ambiguous it is not defined
-                which position is sought to.</para>
-
-                <para><function>sd_journal_seek_cursor()</function>
-                seeks to the entry located at the specified cursor
-                string. For details on cursors see
-                <citerefentry><refentrytitle>sd_journal_get_cursor</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>
-
-                <para>Note that these calls do not actually make any
-                entry the new current entry, this needs to be done in
-                a separate step with a subsequent
-                <citerefentry><refentrytitle>sd_journal_next</refentrytitle><manvolnum>3</manvolnum></citerefentry>
-                invocation (or a similar call). Only then entry data
-                may be retrieved via
-                <citerefentry><refentrytitle>sd_journal_get_data</refentrytitle><manvolnum>3</manvolnum></citerefentry>. If
-                no entry exists that matches exactly the specified
-                seek address the next closest is sought to. If
-                <citerefentry><refentrytitle>sd_journal_next</refentrytitle><manvolnum>3</manvolnum></citerefentry>
-                is used the closest following entry will be sought to,
-                if
-                <citerefentry><refentrytitle>sd_journal_previous</refentrytitle><manvolnum>3</manvolnum></citerefentry>
-                is used the closest preceding entry is sought
-                to.</para>
-        </refsect1>
-
-        <refsect1>
-                <title>Return Value</title>
-
-                <para>The functions return 0 on success or a negative
-                errno-style error code.</para>
-        </refsect1>
-
-        <refsect1>
-                <title>Notes</title>
-
-                <para>The <function>sd_journal_seek_head()</function>,
-                <function>sd_journal_seek_tail()</function>,
-                <function>sd_journal_seek_monotonic_usec()</function>,
-                <function>sd_journal_seek_realtime_usec()</function>,
-                and <function>sd_journal_seek_cursor()</function>
-                interfaces are available as shared library, which can
-                be compiled and linked to with the
-                <literal>libsystemd-journal</literal>
-                <citerefentry><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>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><refentrytitle>sd_journal_get_cursor</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>sd_journal_get_realtime_usec</refentrytitle><manvolnum>3</manvolnum></citerefentry>
-                </para>
-        </refsect1>
+  <refentryinfo>
+    <title>sd_journal_seek_head</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_seek_head</refentrytitle>
+    <manvolnum>3</manvolnum>
+  </refmeta>
+
+  <refnamediv>
+    <refname>sd_journal_seek_head</refname>
+    <refname>sd_journal_seek_tail</refname>
+    <refname>sd_journal_seek_monotonic_usec</refname>
+    <refname>sd_journal_seek_realtime_usec</refname>
+    <refname>sd_journal_seek_cursor</refname>
+    <refpurpose>Seek to a position in the
+    journal</refpurpose>
+  </refnamediv>
+
+  <refsynopsisdiv>
+    <funcsynopsis>
+      <funcsynopsisinfo>#include &lt;systemd/sd-journal.h&gt;</funcsynopsisinfo>
+
+      <funcprototype>
+        <funcdef>int <function>sd_journal_seek_head</function></funcdef>
+        <paramdef>sd_journal *<parameter>j</parameter></paramdef>
+      </funcprototype>
+
+      <funcprototype>
+        <funcdef>int <function>sd_journal_seek_tail</function></funcdef>
+        <paramdef>sd_journal *<parameter>j</parameter></paramdef>
+      </funcprototype>
+
+      <funcprototype>
+        <funcdef>int <function>sd_journal_seek_monotonic_usec</function></funcdef>
+        <paramdef>sd_journal *<parameter>j</parameter></paramdef>
+        <paramdef>sd_id128_t <parameter>boot_id</parameter></paramdef>
+        <paramdef>uint64_t <parameter>usec</parameter></paramdef>
+      </funcprototype>
+
+      <funcprototype>
+        <funcdef>int <function>sd_journal_seek_realtime_usec</function></funcdef>
+        <paramdef>sd_journal *<parameter>j</parameter></paramdef>
+        <paramdef>uint64_t <parameter>usec</parameter></paramdef>
+      </funcprototype>
+
+      <funcprototype>
+        <funcdef>int <function>sd_journal_seek_cursor</function></funcdef>
+        <paramdef>sd_journal *<parameter>j</parameter></paramdef>
+        <paramdef>const char *<parameter>cursor</parameter></paramdef>
+      </funcprototype>
+    </funcsynopsis>
+  </refsynopsisdiv>
+
+  <refsect1>
+    <title>Description</title>
+
+    <para><function>sd_journal_seek_head()</function> seeks to the
+    beginning of the journal, i.e. the oldest available entry.</para>
+
+    <para>Similarly, <function>sd_journal_seek_tail()</function> may
+    be used to seek to the end of the journal, i.e. the most recent
+    available entry.</para>
+
+    <para><function>sd_journal_seek_monotonic_usec()</function> seeks
+    to the entry with the specified monotonic timestamp, i.e.
+    <constant>CLOCK_MONOTONIC</constant>. Since monotonic time
+    restarts on every reboot a boot ID needs to be specified as
+    well.</para>
+
+    <para><function>sd_journal_seek_realtime_usec()</function> seeks
+    to the entry with the specified realtime (wallclock) timestamp,
+    i.e. <constant>CLOCK_REALTIME</constant>. Note that the realtime
+    clock is not necessarily monotonic. If a realtime timestamp is
+    ambiguous, it is not defined which position is sought to.</para>
+
+    <para><function>sd_journal_seek_cursor()</function> seeks to the
+    entry located at the specified cursor string. For details on
+    cursors, see
+    <citerefentry><refentrytitle>sd_journal_get_cursor</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
+    If no entry matching the specified cursor is found the call will
+    seek to the next closest entry (in terms of time) instead. To
+    verify whether the newly selected entry actually matches the
+    cursor, use
+    <citerefentry><refentrytitle>sd_journal_test_cursor</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>
+
+    <para>Note that these calls do not actually make any entry the new
+    current entry, this needs to be done in a separate step with a
+    subsequent
+    <citerefentry><refentrytitle>sd_journal_next</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+    invocation (or a similar call). Only then, entry data may be
+    retrieved via
+    <citerefentry><refentrytitle>sd_journal_get_data</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
+    If no entry exists that matches exactly the specified seek
+    address, the next closest is sought to. If
+    <citerefentry><refentrytitle>sd_journal_next</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+    is used, the closest following entry will be sought to, if
+    <citerefentry><refentrytitle>sd_journal_previous</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+    is used the closest preceding entry is sought to.</para>
+  </refsect1>
+
+  <refsect1>
+    <title>Return Value</title>
+
+    <para>The functions return 0 on success or a negative errno-style
+    error code.</para>
+  </refsect1>
+
+  <refsect1>
+    <title>Notes</title>
+
+    <para>The <function>sd_journal_seek_head()</function>,
+    <function>sd_journal_seek_tail()</function>,
+    <function>sd_journal_seek_monotonic_usec()</function>,
+    <function>sd_journal_seek_realtime_usec()</function>,
+    and <function>sd_journal_seek_cursor()</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>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><refentrytitle>sd_journal_get_cursor</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>sd_journal_get_realtime_usec</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+    </para>
+  </refsect1>
 
 </refentry>