func randomizeASCII()

in loadgen/eventhandler/handler.go [441:462]

• 19 lines of code
• 7 McCabe index (conditional complexity)

func randomizeASCII(out *bytes.Buffer, in string, randomBits uint64) {
	for _, r := range in {
		// '0' > 'A' > 'a'
		if r < '0' || r > 'z' {
			out.WriteRune(r)
			continue
		}
		// Use 5 bits, which is enough to cover either
		// 26 ASCII letters or 10 ASCII digits.
		i := (uint8(randomBits) & 0x1f)
		randomBits = bits.RotateLeft64(randomBits, 5)
		switch {
		case r >= 'a':
			r = rune('a' + i%26)
		case r >= 'A' && r <= 'Z':
			r = rune('A' + i%26)
		case r <= '9':
			r = rune('0' + i%10)
		}
		out.WriteRune(r)
	}
}