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man: document that sd_bus_message_read_array() only supports trivial types 

Fixes: #14641
This commit is contained in:
Lennart Poettering 2020-01-28 16:52:12 +01:00
parent 10c238b2cc
commit e0db55a643
1 changed files with 6 additions and 2 deletions
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8
man/sd_bus_message_read_array.xml
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@ -48,6 +48,10 @@
appropriate for the data type. The data is part of the message — it may not be modified and is
valid only as long as the message is referenced. After this function returns, the "read pointer"
points at the next element after the array.</para>
<para>Note that this function only supports arrays of trivial types, i.e. arrays of booleans, the various
integer types, as well as floating point numbers. In particular it may not be used for arrays of strings,
structures or similar.</para>
</refsect1>
<refsect1>
@ -68,8 +72,8 @@
<varlistentry>
<term><constant>-EINVAL</constant></term>
<listitem><para>Specified type is invalid or the message parameter or one of the output
parameters are <constant>NULL</constant>.</para></listitem>
<listitem><para>Specified type is invalid or not a trivial type (see above), or the message
parameter or one of the output parameters are <constant>NULL</constant>.</para></listitem>
</varlistentry>
<varlistentry>