}
		}

		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"
		}

// Copyright 2018 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 windows

import "syscall"

type Errno = syscall.Errno

		}
	}

	// Windows disallows a bunch of path elements, sadly.
	// See https://docs.microsoft.com/en-us/windows/desktop/fileio/naming-a-file
	short := elem
	if i := strings.Index(short, "."); i >= 0 {
		short = short[:i]
	}
	for _, bad := range badWindowsNames {
		if strings.EqualFold(bad, short) {
			return fmt.Errorf("%q disallowed as path element component on Windows", short)
		}
	}

// Copyright 2019 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 !unix && !windows

package ld

// Mmap allocates an in-heap output buffer with the given size. It copies
// any old data (if any) to the new buffer.
func (out *OutBuf) Mmap(filesize uint64) error {
	// We need space to put all the symbols before we apply relocations.

//go:build !cmd_go_bootstrap && windows

package telemetrystats

import (
	"fmt"

	"cmd/internal/telemetry"

	"golang.org/x/sys/windows"
)

func incrementVersionCounters() {
	v := windows.RtlGetVersion()
	telemetry.Inc(fmt.Sprintf("go/platform/host/windows/major-version:%d", v.MajorVersion))
	telemetry.Inc(fmt.Sprintf("go/platform/host/windows/version:%d-%d", v.MajorVersion, v.MinorVersion))

//   - On macOS and iOS, Reader uses arc4random_buf(3).
//   - On OpenBSD and NetBSD, Reader uses getentropy(2).
//   - On other Unix-like systems, Reader reads from /dev/urandom.
//   - On Windows, Reader uses the ProcessPrng API.
//   - On js/wasm, Reader uses the Web Crypto API.
//   - On wasip1/wasm, Reader uses random_get from wasi_snapshot_preview1.
var Reader io.Reader

	plan9 := flag.Bool("9", gohostos == "plan9", "emit plan 9 syntax")
	windows := flag.Bool("w", gohostos == "windows", "emit windows syntax")
	xflagparse(0)

	format := "%s=\"%s\";\n" // Include ; to separate variables when 'dist env' output is used with eval.
	switch {
	case *plan9:
		format = "%s='%s'\n"
	case *windows:
		format = "set %s=%s\r\n"
	}

	xprintf(format, "GO111MODULE", "")

func Fchdir(fd Handle) (err error)             { return syscall.EWINDOWS }
func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS }
func Symlink(path, link string) (err error)    { return syscall.EWINDOWS }

func Fchmod(fd Handle, mode uint32) (err error)        { return syscall.EWINDOWS }
func Chown(path string, uid int, gid int) (err error)  { return syscall.EWINDOWS }

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

//go:build windows

package osinfo

import (
	"fmt"

	"golang.org/x/sys/windows"
)

// Version returns the OS version name/number.
func Version() (string, error) {
	info := windows.RtlGetVersion()
	return fmt.Sprintf("%d.%d.%d", info.MajorVersion, info.MinorVersion, info.BuildNumber), nil

		}
	}

	// On Windows, remove lingering ~ file from last attempt.
	if runtime.GOOS == "windows" {
		if _, err := os.Stat(dst + "~"); err == nil {
			os.Remove(dst + "~")
		}
	}

	mayberemovefile(dst)
	df, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
	if err != nil && runtime.GOOS == "windows" {
		// Windows does not allow deletion of a binary file