Function processScanner

processor/workers.go:142–395

TODO compare this to memory maps Random tests indicate that mmap is faster when not in power save mode

(filename string, fsize int, bar *uiprogress.Bar)

// TODO compare this to memory maps
// Random tests indicate that mmap is faster when not in power save mode
func processScanner(filename string, fsize int, bar *uiprogress.Bar) (Result, error) {
	file, err := os.Open(filename)
	if err != nil {
		printError(fmt.Sprintf("opening file %s: %s", filename, err.Error()))
		return Result{}, err
	}
	defer file.Close()

	md4_d := md4.New()
	md5_d := md5.New()
	sha1_d := sha1.New()
	sha256_d := sha256.New()
	sha512_d := sha512.New()
	blake2b_256_d := blake2b.New256()
	blake2b_512_d := blake2b.New512()
	blake3_d := blake3.New()
	sha3_224_d := sha3.New224()
	sha3_256_d := sha3.New256()
	sha3_384_d := sha3.New384()
	sha3_512_d := sha3.New512()

	md4c := make(chan []byte, 10)
	md5c := make(chan []byte, 10)
	sha1c := make(chan []byte, 10)
	sha256c := make(chan []byte, 10)
	sha512c := make(chan []byte, 10)
	blake2b_256_c := make(chan []byte, 10)
	blake2b_512_c := make(chan []byte, 10)
	blake3c := make(chan []byte, 10)
	sha3_224_c := make(chan []byte, 10)
	sha3_256_c := make(chan []byte, 10)
	sha3_384_c := make(chan []byte, 10)
	sha3_512_c := make(chan []byte, 10)

	var wg sync.WaitGroup

	if hasHash(HashNames.MD4) {
		wg.Add(1)
		go func() {
			for b := range md4c {
				md4_d.Write(b)
			}
			wg.Done()
		}()
	}

	if hasHash(HashNames.MD5) {
		wg.Add(1)
		go func() {
			for b := range md5c {
				md5_d.Write(b)
			}
			wg.Done()
		}()
	}

	if hasHash(HashNames.SHA1) {
		wg.Add(1)