rmw_get_gid_for_publisher reports wrong GID

[noelex]

Bug report

• Operating System:
  • Ubuntu 22.04
• Installation type:
  • binaries
• Version or commit hash:
  • humble
  • rolling
• DDS implementation:
  • CycloneDDS
• Client library (if applicable):
  • rcl

Steps to reproduce issue

• Create a pulisher and get its GID by calling rmw_get_gid_for_publisher.
• Also get GID of the same publisher by using rcl_get_publishers_info_by_topic.

Expected behavior

The GID of the publisher retrieved using either rmw_get_gid_for_publisher or rcl_get_publishers_info_by_topic should be identical.

Actual behavior

rmw_get_gid_for_publisher reports a wrong GID.

Additional information

rmw_get_gid_for_client works as expected. Also no issue with FastRTPS.

Looks like rmw_get_gid_for_publisher is returning pubiid instead of gid, is this expected?

[christophebedard]

This might be related to #377