Initial commit

common/buf/buffer.go

@@ -0,0 +1,24 @@
+package buf
+
+var Empty []byte
+
+func init() {
+	Empty = make([]byte, 128)
+}
+
+func ForeachN(b []byte, size int) [][]byte {
+	total := len(b)
+	var index int
+	var retArr [][]byte
+	for {
+		nextIndex := index + size
+		if nextIndex < total {
+			retArr = append(retArr, b[index:nextIndex])
+			index = nextIndex
+		} else {
+			retArr = append(retArr, b[index:])
+			break
+		}
+	}
+	return retArr
+}