| // 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 !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris |
| |
| package base |
| |
| 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 |
| } |