refactor - pasdns can now look sane 3.0

helper/read.go

@@ -0,0 +1,29 @@
+package helper
+
+import (
+	"bufio"
+	"bytes"
+)
+
+func ReadUntilNull(reader *bufio.Reader) ([]byte, error) {
+	var buf bytes.Buffer
+	for {
+		b, err := reader.ReadByte()
+		if err != nil {
+			return nil, err
+		}
+		if b == byte(rune(0)) {
+			break
+		}
+		buf.WriteByte(b)
+	}
+	return buf.Bytes(), nil
+}
+
+func ReadUntilNullString(reader *bufio.Reader) (string, error) {
+	buf, err := ReadUntilNull(reader)
+	if err != nil {
+		return "", err
+	}
+	return string(buf), nil
+}