terminate called after throwing an instance of 'boost::filesystem::filesystem_error' what(): boost::filesystem::path: invalid name "-1" in path: "/home/hoge/-1/xyz"
terminate called after throwing an instance of 'boost::filesystem::filesystem_error' what(): boost::filesystem::path: invalid name "-1" in path: "/home/hoge/-1/xyz"
[c]Errno Values for UNIX-Type Functions Programs using the UNIX(R)-type functions may receive error information as errno values. The possible values returned are listed here in ascending errno value sequence.