//   - "exclusive use file already open" (ramfs)
var lockedErrStrings = [...]string{
	"file is locked",
	"exclusive lock",
	"exclusive use file already open",
}

// Even though plan9 doesn't support the Lock/RLock/Unlock functions to
// manipulate already-open files, IsLocked is still meaningful: os.OpenFile
// itself may return errors that indicate that a file with the ModeExclusive bit
// set is already open.

// Copyright 2023 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.

// Package gover implements support for Go toolchain versions like 1.21.0 and 1.21rc1.
// (For historical reasons, Go does not use semver for its toolchains.)
// This package provides the same basic analysis that golang.org/x/mod/semver does for semver.

	},
	{
		url:      `file:///C:/example%E3%84%93.txt`,
		filePath: `C:\exampleㄓ.txt`,
	},

	// Examples from RFC 8089:

	// We allow the drive-letter variation from section E.2, because it is
	// simpler to support than not to. However, we do not generate the shorter
	// form in the reverse direction.
	{
		url:          `file:c:/path/to/file`,
		filePath:     `c:\path\to\file`,
		canonicalURL: `file:///c:/path/to/file`,
	},

//
// We query the flags of the tool specified by -vettool and accept any
// of those flags plus any flag valid for 'go build'. The tool must
// support -flags, which prints a description of its flags in JSON to
// stdout.

// vetTool specifies the vet command to run.
// Any tool that supports the (still unpublished) vet
// command-line protocol may be supplied; see
// golang.org/x/tools/go/analysis/unitchecker for one

// Copyright 2024 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.

// This file implements (error and trace) message formatting support.

package types2

import (
	"bytes"
	"cmd/compile/internal/syntax"
	"fmt"
	"strconv"
	"strings"
)

func sprintf(qf Qualifier, tpSubscripts bool, format string, args ...any) string {

		t.Skipf("swig not in PATH: %s", err)
	}

	// Check that swig was installed with Go support by checking
	// that a go directory exists inside the swiglib directory.
	// See https://golang.org/issue/23469.
	output, err := exec.Command(swig, "-go", "-swiglib").Output()
	if err != nil {
		t.Skip("swig is missing Go support")
	}
	swigDir := strings.TrimSpace(string(output))

}

func (tw *Writer) writePAXHeader(hdr *Header, paxHdrs map[string]string) error {
	realName, realSize := hdr.Name, hdr.Size

	// TODO(dsnet): Re-enable this when adding sparse support.
	// See https://golang.org/issue/22735
	/*
		// Handle sparse files.
		var spd sparseDatas
		var spb []byte
		if len(hdr.SparseHoles) > 0 {

	savedcurfn := ir.CurFunc

	pos := base.AutogeneratedPos
	base.Pos = pos

	// At the moment we don't support wrapping a method, we'd need machinery
	// below to handle the receiver. Panic if we see this scenario.
	ft := f.Nname.Type()
	if ft.NumRecvs() != 0 {
		base.ErrorfAt(f.Pos(), 0, "makeABIWrapper support for wrapping methods not implemented")
		return
	}

	// Reuse f's types.Sym to create a new ODCLFUNC/function.

func AddCredentials(req *http.Request) (added bool) {
	host := req.Host
	if host == "" {
		host = req.URL.Hostname()
	}

	// TODO(golang.org/issue/26232): Support arbitrary user-provided credentials.
	netrcOnce.Do(readNetrc)
	for _, l := range netrc {
		if l.machine == host {
			req.SetBasicAuth(l.login, l.password)
			return true
		}
	}

	return false

// 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.

// js and wasip1 do not support inter-process file locking.
//
//go:build !js && !wasip1

package lockedfile_test

import (
	"fmt"
	"internal/testenv"
	"os"
	"path/filepath"
	"testing"
	"time"

	"cmd/go/internal/lockedfile"
)