// https://learn.microsoft.com/en-us/windows/win32/memory/creating-a-file-mapping-object#file-mapping-size
	h, err := windows.CreateFileMapping(windows.Handle(f.Fd()), nil, syscall.PAGE_READWRITE, 0, 0, nil)
	if err != nil {
		return Data{}, fmt.Errorf("CreateFileMapping %s: %w", f.Name(), err)
	}
	// the mapping extends from zero to the end of the file mapping
	// https://learn.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-mapviewoffile

	if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil {
		return nil, err
	}
	old := st

	st &^= (windows.ENABLE_ECHO_INPUT | windows.ENABLE_LINE_INPUT)
	st |= (windows.ENABLE_PROCESSED_OUTPUT | windows.ENABLE_PROCESSED_INPUT)
	if err := windows.SetConsoleMode(windows.Handle(fd), st); err != nil {
		return nil, err
	}

	defer windows.SetConsoleMode(windows.Handle(fd), old)

	var h windows.Handle

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build windows

package filelock

import (
	"internal/syscall/windows"
	"io/fs"
	"syscall"
)

type lockType uint32

const (
	readLock  lockType = 0
	writeLock lockType = windows.LOCKFILE_EXCLUSIVE_LOCK
)

const (
	reserved = 0
	allBytes = ^uint32(0)
)

import (
	"errors"
	"internal/syscall/windows"
	"syscall"
)

const errFileNotFound = syscall.ERROR_FILE_NOT_FOUND

// isEphemeralError returns true if err may be resolved by waiting.
func isEphemeralError(err error) bool {
	var errno syscall.Errno
	if errors.As(err, &errno) {
		switch errno {
		case syscall.ERROR_ACCESS_DENIED,
			syscall.ERROR_FILE_NOT_FOUND,
			windows.ERROR_SHARING_VIOLATION:
			return true
		}

package robustio

// Rename is like os.Rename, but on Windows retries errors that may occur if the
// file is concurrently read or overwritten.
//
// (See golang.org/issue/31247 and golang.org/issue/32188.)
func Rename(oldpath, newpath string) error {
	return rename(oldpath, newpath)
}

// ReadFile is like os.ReadFile, but on Windows retries errors that may
// occur if the file is concurrently replaced.
//

			}
		}

		var b bytes.Buffer
		if runtime.GOOS == "windows" {
			b.WriteString("@echo off\n")
		}
		PrintEnv(&b, []cfg.EnvVar{{Name: "var", Value: s}}, false)
		var want string
		if runtime.GOOS == "windows" {
			fmt.Fprintf(&b, "echo \"%%var%%\"\n")
			want += "\"" + s + "\"\r\n"
		} else {
			fmt.Fprintf(&b, "printf '%%s\\n' \"$var\"\n")
			want += s + "\n"
		}

	{name: "go/bin/go", goos: "linux"},
	{name: "go/bin/go", goos: "darwin"},
	{name: "go/bin/go", goos: "windows", exclude: true},
	{name: "go/bin/go.exe", goos: "windows"},
	{name: "go/bin/gofmt", goos: "linux"},
	{name: "go/bin/gofmt", goos: "darwin"},
	{name: "go/bin/gofmt", goos: "windows", exclude: true},
	{name: "go/bin/gofmt.exe", goos: "windows"},
	{name: "go/pkg/tool/*/compile", goos: "linux"},
	{name: "go/pkg/tool/*/compile", goos: "darwin"},

// the error. The error will be guaranteed to contain windows.Errno.
func (p *LazyProc) Call(a ...uintptr) (r1, r2 uintptr, lastErr error) {
	p.mustFind()
	return p.proc.Call(a...)
}

var canDoSearchSystem32Once struct {
	sync.Once
	v bool
}

func initCanDoSearchSystem32() {
	// https://msdn.microsoft.com/en-us/library/ms684179(v=vs.85).aspx says:
	// "Windows 7, Windows Server 2008 R2, Windows Vista, and Windows

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Windows environment variables.

package windows

import (
	"syscall"
	"unsafe"
)

func Getenv(key string) (value string, found bool) {
	return syscall.Getenv(key)
}

func Setenv(key, value string) error {
	return syscall.Setenv(key, value)
}

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !windows

package cgotest

import "testing"

func test8517(t *testing.T) {
	t.Skip("skipping windows only test")