Release v0.3.0

vendor/github.com/btcsuite/btcwallet/internal/legacy/rename/rename_unix.go

@@ -0,0 +1,17 @@
+// Copyright (c) 2013-2014 The btcsuite developers
+// Use of this source code is governed by an ISC
+// license that can be found in the LICENSE file.
+
+// +build !windows,!plan9
+
+package rename
+
+import (
+	"os"
+)
+
+// Atomic provides an atomic file rename.  newpath is replaced if it
+// already exists.
+func Atomic(oldpath, newpath string) error {
+	return os.Rename(oldpath, newpath)
+}

vendor/github.com/btcsuite/btcwallet/internal/legacy/rename/rename_windows.go

@@ -0,0 +1,71 @@
+// The following is adapted from goleveldb
+// (https://github.com/syndtr/goleveldb) under the following license:
+//
+// Copyright 2012 Suryandaru Triandana <syndtr@gmail.com>
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package rename
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+var (
+	modkernel32     = syscall.NewLazyDLL("kernel32.dll")
+	procMoveFileExW = modkernel32.NewProc("MoveFileExW")
+)
+
+const (
+	_MOVEFILE_REPLACE_EXISTING = 1
+)
+
+func moveFileEx(from *uint16, to *uint16, flags uint32) error {
+	r1, _, e1 := syscall.Syscall(procMoveFileExW.Addr(), 3,
+		uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(to)),
+		uintptr(flags))
+	if r1 == 0 {
+		if e1 != 0 {
+			return error(e1)
+		} else {
+			return syscall.EINVAL
+		}
+	}
+	return nil
+}
+
+// Atomic provides an atomic file rename.  newpath is replaced if it
+// already exists.
+func Atomic(oldpath, newpath string) error {
+	from, err := syscall.UTF16PtrFromString(oldpath)
+	if err != nil {
+		return err
+	}
+	to, err := syscall.UTF16PtrFromString(newpath)
+	if err != nil {
+		return err
+	}
+	return moveFileEx(from, to, _MOVEFILE_REPLACE_EXISTING)
+}