Fix unused-result warning (#408)

Signed-off-by: Steve Peters <[email protected]>
gazebosim · Jun 15, 2023 · 19263e4 · 19263e4
1 parent 95d8599
commit 19263e4
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/src/cmd/gz.cc b/src/cmd/gz.cc
@@ -276,8 +276,16 @@ extern "C" void cmdTopicEcho(const char *_topic,
  case MsgOutputFormat::kJSON:
  {
  std::string jsonStr;
- google::protobuf::util::MessageToJsonString(_msg, &jsonStr);
- std::cout << jsonStr << std::endl;
+ auto status =
+ google::protobuf::util::MessageToJsonString(_msg, &jsonStr);
+ if (status.ok())
+ {
+ std::cout << jsonStr << std::endl;
+ }
+ else
+ {
+ std::cerr << status;
+ }
  }
  break;
  default: