return false
	}
	hasDots := false
	for p := path; p != ""; {
		var part string
		part, p, _ = stringslite.Cut(p, "/")
		if part == "." || part == ".." {
			hasDots = true
			break
		}
	}
	if hasDots {
		path = Clean(path)
	}
	if path == ".." || stringslite.HasPrefix(path, "../") {
		return false
	}
	return true
}

// Localize is filepath.Localize.

}

// ReadUnlock wraps FD.readUnlock.
func (fd *FD) ReadUnlock() {
	fd.readUnlock()
}

func isHangup(err error) bool {
	return err != nil && stringslite.HasSuffix(err.Error(), "Hangup")
}

func isInterrupted(err error) bool {
	return err != nil && stringslite.HasSuffix(err.Error(), "interrupted")
}

// IsPollDescriptor reports whether fd is the descriptor being used by the poller.
// This is only used for testing.

	// Double-check m.
	if getg().m != h.mp {
		println("trap on wrong M", getg().m, h.mp)
		return false
	}
	f := findfunc(ctxt.sigpc())
	if !(stringslite.HasPrefix(funcname(f), "runtime.debugCall") || stringslite.HasPrefix(funcname(f), "debugCall")) {
		println("trap in unknown function", funcname(f))
		return false
	}
	if !sigctxtAtTrapInstruction(ctxt) {

// 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.

package unique

import (
	"internal/abi"
	"internal/stringslite"
	"unsafe"
)

// clone makes a copy of value, and may update string values found in value
// with a cloned version of those strings. The purpose of explicitly cloning

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

package runtime

import (
	"internal/abi"
	"internal/goarch"
	"internal/stringslite"
	"unsafe"
)

// May run during STW, so write barriers are not allowed.
//
//go:nowritebarrierrec
func sighandler(_ureg *ureg, note *byte, gp *g) int {
	gsignal := getg()
	mp := gsignal.m

package strconv

import "internal/stringslite"

const fnParseComplex = "ParseComplex"

// convErr splits an error returned by parseFloatPrefix
// into a syntax or range error for ParseComplex.
func convErr(err error, s string) (syntax, range_ error) {
	if x, ok := err.(*NumError); ok {
		x.Func = fnParseComplex
		x.Num = stringslite.Clone(s)
		if x.Err == ErrRange {
			return nil, x
		}
	}

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

// Package stringslite implements a subset of strings,
// only using packages that may be imported by "os".
//
// Tests for these functions are in the strings package.
package stringslite

import (
	"internal/bytealg"
	"unsafe"
)

func HasPrefix(s, prefix string) bool {

	return b.String()
}

// HasPrefix reports whether the string s begins with prefix.
func HasPrefix(s, prefix string) bool {
	return stringslite.HasPrefix(s, prefix)
}

// HasSuffix reports whether the string s ends with suffix.
func HasSuffix(s, suffix string) bool {
	return stringslite.HasSuffix(s, suffix)
}

// Map returns a copy of the string s with all its characters modified

// 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.

package filepathlite

import (
	"internal/bytealg"
	"internal/stringslite"
	"syscall"
)

const (
	Separator     = '\\' // OS-specific path separator
	ListSeparator = ';'  // OS-specific path list separator
)

func IsPathSeparator(c uint8) bool {
	return c == '\\' || c == '/'

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

package net

import (
	"errors"
	"internal/itoa"
	"internal/stringslite"
	"os"
)

// If the ifindex is zero, interfaceTable returns mappings of all
// network interfaces. Otherwise it returns a mapping of a specific
// interface.
func interfaceTable(ifindex int) ([]Interface, error) {