[21623] Fix compilation warning in Ubuntu 24.04 with -Werror

[richiware]

Description

Fix compilation warning in Ubuntu 24.04 with -Werror. The error is:

[ 32%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/xtypes/type_representation/TypeObjectUtils.cpp.o 

In file included from /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/TypeObjectUtils.hpp:26, 

from /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:15: 

In member function ‘void eprosima::fastcdr::optional<T>::reset(bool) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’, 

inlined from ‘eprosima::fastcdr::optional<T>& eprosima::fastcdr::optional<T>::operator=(const eprosima::fastcdr::optional<T>&) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:205:14, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteCollectionHeader& eprosima::fastdds::dds::xtypes::CompleteCollectionHeader::operator=(const eprosima::fastdds::dds::xtypes::CompleteCollectionHeader&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:14591:34, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteMapType& eprosima::fastdds::dds::xtypes::CompleteMapType::operator=(const eprosima::fastdds::dds::xtypes::CompleteMapType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:16264:34, 

inlined from ‘void eprosima::fastdds::dds::xtypes::CompleteTypeObject::map_type(const eprosima::fastdds::dds::xtypes::CompleteMapType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:21499:23, 

inlined from ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_map_type_object(const eprosima::fastdds::dds::xtypes::CompleteMapType&, const std::string&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1776:25: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:112:22: error: ‘*(eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>*)((char*)&type_object + offsetof(eprosima::fastdds::dds::xtypes::CompleteTypeObject, eprosima::fastdds::dds::xtypes::CompleteTypeObject::<unnamed>) + 16).eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>::storage_.eprosima::fastcdr::detail::optional_storage<eprosima::fastdds::dds::xtypes::CompleteTypeDetail, void>::engaged_’ may be used uninitialized [-Werror=maybe-uninitialized] 

112 | if (storage_.engaged_) 

| ~~~~~~~~~^~~~~~~~ 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp: In static member function ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_map_type_object(const eprosima::fastdds::dds::xtypes::CompleteMapType&, const std::string&)’: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1775:24: note: ‘type_object’ declared here 

1775 | CompleteTypeObject type_object; 

| ^~~~~~~~~~~ 

In member function ‘void eprosima::fastcdr::optional<T>::reset(bool) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’, 

inlined from ‘eprosima::fastcdr::optional<T>& eprosima::fastcdr::optional<T>::operator=(const eprosima::fastcdr::optional<T>&) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:205:14, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteCollectionHeader& eprosima::fastdds::dds::xtypes::CompleteCollectionHeader::operator=(const eprosima::fastdds::dds::xtypes::CompleteCollectionHeader&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:14591:34, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteSequenceType& eprosima::fastdds::dds::xtypes::CompleteSequenceType::operator=(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:14907:34, 

inlined from ‘void eprosima::fastdds::dds::xtypes::CompleteTypeObject::sequence_type(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:21393:28, 

inlined from ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_sequence_type_object(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&, const std::string&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1750:30: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:112:22: error: ‘*(eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>*)((char*)&type_object + offsetof(eprosima::fastdds::dds::xtypes::CompleteTypeObject, eprosima::fastdds::dds::xtypes::CompleteTypeObject::<unnamed>) + 16).eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>::storage_.eprosima::fastcdr::detail::optional_storage<eprosima::fastdds::dds::xtypes::CompleteTypeDetail, void>::engaged_’ may be used uninitialized [-Werror=maybe-uninitialized] 

112 | if (storage_.engaged_) 

| ~~~~~~~~~^~~~~~~~ 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp: In static member function ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_sequence_type_object(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&, const std::string&)’: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1749:24: note: ‘type_object’ declared here 

1749 | CompleteTypeObject type_object; 

| ^~~~~~~~~~~ 

cc1plus: all warnings being treated as errors 

gmake[2]: *** [src/cpp/CMakeFiles/fastdds.dir/build.make:1168: src/cpp/CMakeFiles/fastdds.dir/fastdds/xtypes/type_representation/TypeObjectUtils.cpp.o] Error 1 

gmake[2]: *** Waiting for unfinished jobs.... 

gmake[1]: *** [CMakeFiles/Makefile2:1086: src/cpp/CMakeFiles/fastdds.dir/all] Error 2 

gmake: *** [Makefile:146: all] Error 2 

--- stderr: fastdds 

In file included from /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/TypeObjectUtils.hpp:26, 

from /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:15: 

In member function ‘void eprosima::fastcdr::optional<T>::reset(bool) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’, 

inlined from ‘eprosima::fastcdr::optional<T>& eprosima::fastcdr::optional<T>::operator=(const eprosima::fastcdr::optional<T>&) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:205:14, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteCollectionHeader& eprosima::fastdds::dds::xtypes::CompleteCollectionHeader::operator=(const eprosima::fastdds::dds::xtypes::CompleteCollectionHeader&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:14591:34, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteMapType& eprosima::fastdds::dds::xtypes::CompleteMapType::operator=(const eprosima::fastdds::dds::xtypes::CompleteMapType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:16264:34, 

inlined from ‘void eprosima::fastdds::dds::xtypes::CompleteTypeObject::map_type(const eprosima::fastdds::dds::xtypes::CompleteMapType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:21499:23, 

inlined from ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_map_type_object(const eprosima::fastdds::dds::xtypes::CompleteMapType&, const std::string&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1776:25: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:112:22: error: ‘*(eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>*)((char*)&type_object + offsetof(eprosima::fastdds::dds::xtypes::CompleteTypeObject, eprosima::fastdds::dds::xtypes::CompleteTypeObject::<unnamed>) + 16).eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>::storage_.eprosima::fastcdr::detail::optional_storage<eprosima::fastdds::dds::xtypes::CompleteTypeDetail, void>::engaged_’ may be used uninitialized [-Werror=maybe-uninitialized] 

112 | if (storage_.engaged_) 

| ~~~~~~~~~^~~~~~~~ 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp: In static member function ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_map_type_object(const eprosima::fastdds::dds::xtypes::CompleteMapType&, const std::string&)’: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1775:24: note: ‘type_object’ declared here 

1775 | CompleteTypeObject type_object; 

| ^~~~~~~~~~~ 

In member function ‘void eprosima::fastcdr::optional<T>::reset(bool) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’, 

inlined from ‘eprosima::fastcdr::optional<T>& eprosima::fastcdr::optional<T>::operator=(const eprosima::fastcdr::optional<T>&) [with T = eprosima::fastdds::dds::xtypes::CompleteTypeDetail]’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:205:14, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteCollectionHeader& eprosima::fastdds::dds::xtypes::CompleteCollectionHeader::operator=(const eprosima::fastdds::dds::xtypes::CompleteCollectionHeader&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:14591:34, 

inlined from ‘eprosima::fastdds::dds::xtypes::CompleteSequenceType& eprosima::fastdds::dds::xtypes::CompleteSequenceType::operator=(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:14907:34, 

inlined from ‘void eprosima::fastdds::dds::xtypes::CompleteTypeObject::sequence_type(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/include/fastdds/dds/xtypes/type_representation/detail/dds_xtypes_typeobject.hpp:21393:28, 

inlined from ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_sequence_type_object(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&, const std::string&)’ at /home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1750:30: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/install/fastcdr/include/fastcdr/xcdr/optional.hpp:112:22: error: ‘*(eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>*)((char*)&type_object + offsetof(eprosima::fastdds::dds::xtypes::CompleteTypeObject, eprosima::fastdds::dds::xtypes::CompleteTypeObject::<unnamed>) + 16).eprosima::fastcdr::optional<eprosima::fastdds::dds::xtypes::CompleteTypeDetail>::storage_.eprosima::fastcdr::detail::optional_storage<eprosima::fastdds::dds::xtypes::CompleteTypeDetail, void>::engaged_’ may be used uninitialized [-Werror=maybe-uninitialized] 

112 | if (storage_.engaged_) 

| ~~~~~~~~~^~~~~~~~ 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp: In static member function ‘static eprosima::fastdds::dds::xtypes::ReturnCode_t eprosima::fastdds::dds::xtypes::TypeObjectUtils::build_and_register_sequence_type_object(const eprosima::fastdds::dds::xtypes::CompleteSequenceType&, const std::string&)’: 

/home/runner/work/Fast-DDS-docs/Fast-DDS-docs/src/fastdds/src/cpp/fastdds/xtypes/type_representation/TypeObjectUtils.cpp:1749:24: note: ‘type_object’ declared here 

1749 | CompleteTypeObject type_object; 

| ^~~~~~~~~~~ 

cc1plus: all warnings being treated as errors 

gmake[2]: *** [src/cpp/CMakeFiles/fastdds.dir/build.make:1168: src/cpp/CMakeFiles/fastdds.dir/fastdds/xtypes/type_representation/TypeObjectUtils.cpp.o] Error 1 

gmake[2]: *** Waiting for unfinished jobs.... 

gmake[1]: *** [CMakeFiles/Makefile2:1086: src/cpp/CMakeFiles/fastdds.dir/all] Error 2 

gmake: *** [Makefile:146: all] Error 2 

— 

Failed <<< fastdds [2min 10s, exited with code 2]

Contributor Checklist

• Commit messages follow the project guidelines.
• N/A Tests that thoroughly check the new feature have been added/Regression tests checking the bug and its fix have been added; the added tests pass locally
• N/A New feature has been documented/Current behavior is correctly described in the documentation.
• N/A Applicable backports have been included in the description.

Reviewer Checklist

• The PR has a milestone assigned.
• The title and description correctly express the PR's purpose.
• Check contributor checklist is correct.
• Check CI results: changes do not issue any warning.
• Check CI results: failing tests are unrelated with the changes.