1 files changed, 17 insertions, 0 deletions
diff --git a/hotline/util.go b/hotline/util.go
new file mode 100644
index 0000000..d37feb5
--- /dev/null
+++ b/hotline/util.go
@@ -0,0 +1,17 @@
+package hotline
+
+import (
+	"encoding/binary"
+	"errors"
+)
+
+func byteToInt(bytes []byte) (int, error) {
+	switch len(bytes) {
+	case 2:
+		return int(binary.BigEndian.Uint16(bytes)), nil
+	case 4:
+		return int(binary.BigEndian.Uint32(bytes)), nil
+	}
+
+	return 0, errors.New("unknown byte length")
+}