// Code generated by go tool dist; DO NOT EDIT.
// This is a bootstrap copy of /opt/concourse/worker/volumes/live/e6f6308e-6a31-41e3-7c9e-5177e594eac3/volume/go_1544962000153/work/go/src/cmd/compile/internal/gc/mapfile_read.go

//line /opt/concourse/worker/volumes/live/e6f6308e-6a31-41e3-7c9e-5177e594eac3/volume/go_1544962000153/work/go/src/cmd/compile/internal/gc/mapfile_read.go:1
// 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.

// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd

package gc

import (
	"io"
	"os"
)

func mapFile(f *os.File, offset, length int64) (string, error) {
	buf := make([]byte, length)
	_, err := io.ReadFull(io.NewSectionReader(f, offset, length), buf)
	if err != nil {
		return "", err
	}
	return string(buf), nil
}
