package syscallcompat import ( "os" "syscall" ) // IsENOSPC tries to find out if "err" is a (potentially wrapped) ENOSPC error. func IsENOSPC(err error) bool { // syscallcompat.EnospcPrealloc returns the naked syscall error if err == syscall.ENOSPC { return true } // os.File.WriteAt returns &PathError if err2, ok := err.(*os.PathError); ok { if err2.Err == syscall.ENOSPC { return true } } return false }