mv internal lib

lib/db/truncated.go

@@ -0,0 +1,32 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package db
+
+import "github.com/syncthing/protocol"
+
+type FileInfoTruncated struct {
+	protocol.FileInfo
+	ActualSize int64
+}
+
+func (f *FileInfoTruncated) UnmarshalXDR(bs []byte) error {
+	err := f.FileInfo.UnmarshalXDR(bs)
+	f.ActualSize = f.FileInfo.Size()
+	f.FileInfo.Blocks = nil
+	return err
+}
+
+func (f FileInfoTruncated) Size() int64 {
+	return f.ActualSize
+}
+
+func BlocksToSize(num int) int64 {
+	if num < 2 {
+		return protocol.BlockSize / 2
+	}
+	return int64(num-1)*protocol.BlockSize + protocol.BlockSize/2
+}