logconfig

type LogInitResult struct {
	Enabled   bool
	Filename  string
	Writer    io.Writer
	Logger    *log.Logger
	StdWriter *log.LogWriter
	StdLogger *stdlog.Logger
}

type Options struct {
	VerbosityLevel   int
	LogFile          string
	FallbackFileName string
	FallbackDir      string
	LoggerMutex      bool

	Rolling         bool
	MaxSize         int // megabytes
	MaxBackups      int
	MaxAge          int // days
	CompressBackups bool
	Humanize        bool
	EnableColor     bool
	StdLogLevel     log.Level
}