clang-tidy: Add `performance-inefficient-vector-operation` check

https://clang.llvm.org/extra/clang-tidy/checks/performance/inefficient-vector-operation.html

2 files changed, 3 insertions, 0 deletions

diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
index 44d7e2676b..392238a1fd 100644
--- a/src/rpc/server.cpp
+++ b/src/rpc/server.cpp
@@ -83,6 +83,7 @@ std::string CRPCTable::help(const std::string& strCommand, const JSONRPCRequest&
     std::string category;
     std::set<intptr_t> setDone;
     std::vector<std::pair<std::string, const CRPCCommand*> > vCommands;
+    vCommands.reserve(mapCommands.size());
 
     for (const auto& entry : mapCommands)
         vCommands.push_back(make_pair(entry.second.front()->category + entry.first, entry.second.front()));
@@ -513,6 +514,7 @@ static bool ExecuteCommand(const CRPCCommand& command, const JSONRPCRequest& req
 std::vector<std::string> CRPCTable::listCommands() const
 {
     std::vector<std::string> commandList;
+    commandList.reserve(mapCommands.size());
     for (const auto& i : mapCommands) commandList.emplace_back(i.first);
     return commandList;
 }
diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index ae1440c70b..ee9e3544a4 100644
--- a/src/rpc/util.cpp
+++ b/src/rpc/util.cpp
@@ -608,6 +608,7 @@ bool RPCHelpMan::IsValidNumArgs(size_t num_args) const
 std::vector<std::string> RPCHelpMan::GetArgNames() const
 {
     std::vector<std::string> ret;
+    ret.reserve(m_args.size());
     for (const auto& arg : m_args) {
         ret.emplace_back(arg.m_names);
     }