Method appendToFileLocked

log/filelogger/log.go:102–114

out should end in a newline. w.mu must be held.

(out []byte)

// out should end in a newline.
// w.mu must be held.
func (w *logFileWriter) appendToFileLocked(out []byte) {
	now := time.Now()
	day := dayOf(now)
	if w.fday != day {
		w.startNewFileLocked()
	}
	out = removeDatePrefix(out)
	if w.f != nil {
		fmt.Fprintf(w.f, "%s: %s",
			now.Format(tstime.DateTTimeMilliZ),
			out)
	}
}

func isNum(b byte) bool { return '0' <= b && b <= '9' }