1
1
mirror of https://github.com/systemd/systemd-stable.git synced 2024-12-22 13:33:56 +03:00

man: clarify what can be NULL in an sd_bus_unrefp call

Confusingly, the argument is called 'bus' in all cases. Let's not give people
the idea to call sd_bus_unrefp(NULL).
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2018-07-27 08:06:07 +02:00
parent cfe8ee463d
commit 2c47fff6d2

View File

@ -48,7 +48,7 @@
<funcprototype>
<funcdef>void <function>sd_bus_unrefp</function></funcdef>
<paramdef>sd_bus **<parameter>bus</parameter></paramdef>
<paramdef>sd_bus **<parameter>busp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
@ -105,10 +105,12 @@
}</programlisting>
<para><function>sd_bus_ref()</function>,
<function>sd_bus_unref()</function> and
<function>sd_bus_unrefp()</function> execute no operation if the
passed in bus object is <constant>NULL</constant>.</para>
<para><function>sd_bus_ref()</function> and <function>sd_bus_unref()</function>
execute no operation if the passed in bus object address is
<constant>NULL</constant>. <function>sd_bus_unrefp()</function> will first
dereference its argument, which must not be <constant>NULL</constant>, and will
execute no operation if <emphasis>that</emphasis> is <constant>NULL</constant>.
</para>
</refsect1>
<refsect1>