Commit a0471c3f authored by Bill Hoffman's avatar Bill Hoffman
Browse files

ENH: allow unset vars to be used in list length

parent ca5647c9
......@@ -106,11 +106,10 @@ bool cmListCommand::HandleLengthCommand(std::vector<std::string> const& args)
const std::string& listName = args[1];
const std::string& variableName = args[args.size() - 1];
std::vector<std::string> varArgsExpanded;
if ( !this->GetList(varArgsExpanded, listName.c_str()) )
return false;
// do not check the return value here
// if the list var is not found varArgsExpanded will have size 0
// and we will return 0
this->GetList(varArgsExpanded, listName.c_str());
size_t length = varArgsExpanded.size();
char buffer[1024];
sprintf(buffer, "%d", static_cast<int>(length));
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