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)
committerJérémie Galarneau <jeremie.galarneau@efficios.com>
Fri, 3 May 2019 22:19:38 +0000 (18:19 -0400)
commit12c700bef5ecb8a1b124c996c1147f7ae38d955c
treec8ce97aa3d19952911ff5465d8557f6a2986526f
parenta0c7760264f3e66d78b6e8c9fd63dc7afc06ce11
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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