1 files changed, 17 insertions, 0 deletions
diff --git a/weed/util/bytes.go b/weed/util/bytes.go
index 9c7e5e2cb..d9e462693 100644
--- a/weed/util/bytes.go
+++ b/weed/util/bytes.go
@@ -74,3 +74,20 @@ func HashStringToLong(dir string) (v int64) {
 
 	return
 }
+
+func HashToInt32(data []byte) (v int32) {
+	h := md5.New()
+	h.Write(data)
+
+	b := h.Sum(nil)
+
+	v += int32(b[0])
+	v <<= 8
+	v += int32(b[1])
+	v <<= 8
+	v += int32(b[2])
+	v <<= 8
+	v += int32(b[3])
+
+	return
+}