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- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
-<!ENTITY % entities SYSTEM "custom-entities.ent" >
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+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!--
+ SPDX-License-Identifier: LGPL-2.1+
+
This file is part of systemd.
Copyright 2012 Lennart Poettering
<function>sd_journal_get_data()</function> or
<function>sd_journal_enumerate_data()</function>, or the read
pointer is altered. Note that the data returned will be prefixed
- with the field name and '='. Also note that by default data fields
+ with the field name and '='. Also note that, by default, data fields
larger than 64K might get truncated to 64K. This threshold may be
changed and turned off with
<function>sd_journal_set_data_threshold()</function> (see
<function>sd_journal_enumerate_unique()</function>. This threshold
is a hint only: it indicates that the client program is interested
only in the initial parts of the data fields, up to the threshold
- in size -- but the library might still return larger data objects.
+ in size — but the library might still return larger data objects.
That means applications should not rely exclusively on this
setting to limit the size of the data fields returned, but need to
- apply a explicit size limit on the returned data as well. This
+ apply an explicit size limit on the returned data as well. This
threshold defaults to 64K by default. To retrieve the complete
data fields this threshold should be turned off by setting it to
0, so that the library always returns the complete data objects.
iterate through all fields of the current journal
entry:</para>
- <programlisting>...
+ <programlisting>…
int print_fields(sd_journal *j) {
const void *data;
size_t length;
SD_JOURNAL_FOREACH_DATA(j, data, length)
printf("%.*s\n", (int) length, data);
}
-...</programlisting>
+…</programlisting>
</refsect1>