diff options
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_hier_block2_detail.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_hier_block2_detail.cc b/gnuradio-core/src/lib/runtime/gr_hier_block2_detail.cc index a026851d20..e5336d483b 100644 --- a/gnuradio-core/src/lib/runtime/gr_hier_block2_detail.cc +++ b/gnuradio-core/src/lib/runtime/gr_hier_block2_detail.cc @@ -267,6 +267,12 @@ gr_hier_block2_detail::resolve_port(int port, bool is_input) throw std::runtime_error(msg.str()); } + if (d_inputs[port] == gr_endpoint()) { + msg << "hierarchical block '" << d_owner->name() << "' input " << port + << " is not connected internally"; + throw std::runtime_error(msg.str()); + } + result = resolve_endpoint(d_inputs[port], true); } else { @@ -275,6 +281,12 @@ gr_hier_block2_detail::resolve_port(int port, bool is_input) throw std::runtime_error(msg.str()); } + if (d_outputs[port] == gr_endpoint()) { + msg << "hierarchical block '" << d_owner->name() << "' output " << port + << " is not connected internally"; + throw std::runtime_error(msg.str()); + } + result = resolve_endpoint(d_outputs[port], false); } |