- if (!modehandlersbyname[mh->GetModeType()].insert(std::make_pair(mh->name, mh)).second)
- throw ModuleException("Mode name already in use: " + mh->name);
+ std::pair<ModeHandlerMap::iterator, bool> res = modehandlersbyname[mh->GetModeType()].insert(std::make_pair(mh->name, mh));
+ if (!res.second)
+ {
+ ModeHandler* othermh = res.first->second;
+ throw ModuleException(InspIRCd::Format("Mode name %s already used by %c from %s",
+ mh->name.c_str(), othermh->GetModeChar(), othermh->creator->ModuleSourceFile.c_str()));
+ }