| // 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 | |
| } |