bt_port_output_message_iterator_create(): check that graph has no sinks
authorPhilippe Proulx <eeppeliteloop@gmail.com>
Tue, 19 Mar 2019 18:39:17 +0000 (14:39 -0400)
committerPhilippe Proulx <eeppeliteloop@gmail.com>
Thu, 2 May 2019 04:09:19 +0000 (00:09 -0400)
commitad421f9360b4948c9b3de8cc72cdf95e705aed73
treebfd00fa248ab4d92666059c8c5da2eb869779a72
parent0198ae432bf296e8228fde49c0bbf40d1ed998a1
bt_port_output_message_iterator_create(): check that graph has no sinks

The graph must not have any sink component when calling
bt_port_output_message_iterator_create() because the purpose of an
output port message iterator is to iterator the messages of a source or
a filter component.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
lib/graph/iterator.c
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