From 1a51ad858f456a1b21bd56a62d46227d77674af8 Mon Sep 17 00:00:00 2001 From: Stephen Brawner Date: Fri, 6 Nov 2020 14:29:59 -0800 Subject: [PATCH 1/2] Resolve unused variable warning Signed-off-by: Stephen Brawner --- src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp b/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp index 69240beea11..ec230be3e67 100644 --- a/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp +++ b/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp @@ -2322,7 +2322,7 @@ bool DiscoveryDataBase::from_json( } // Add Participant - auto wit = writers_.insert(std::make_pair(guid_aux, dei)); + writers_.insert(std::make_pair(guid_aux, dei)); // Extra configurations for writers // Add writer to writers_by_topic. This will create the topic if necessary From 069b7873edc5430b3d5b8d1a518ca8c4f7ed8aa7 Mon Sep 17 00:00:00 2001 From: Stephen Brawner Date: Fri, 6 Nov 2020 15:25:08 -0800 Subject: [PATCH 2/2] Cast potentially unused variable to void Signed-off-by: Stephen Brawner --- src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp b/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp index ec230be3e67..f7d75679d2f 100644 --- a/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp +++ b/src/cpp/rtps/builtin/discovery/database/DiscoveryDataBase.cpp @@ -2322,7 +2322,9 @@ bool DiscoveryDataBase::from_json( } // Add Participant - writers_.insert(std::make_pair(guid_aux, dei)); + auto wit = writers_.insert(std::make_pair(guid_aux, dei)); + // wit is only used in log message below, so it's potentially unused. + static_cast(wit); // Extra configurations for writers // Add writer to writers_by_topic. This will create the topic if necessary