blob: 0cad9caf276001934b76770e27348045292846f2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// Copyright 2011 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 package is a lightly modified version of the mmap code
// in github.com/google/codesearch/index.
// The mmap package provides an abstraction for memory mapping files
// on different platforms.
package mmap
import (
"os"
)
// Data is mmap'ed read-only data from a file.
// The backing file is never closed, so Data
// remains valid for the lifetime of the process.
type Data struct {
f *os.File
Data []byte
}
// Mmap maps the given file into memory.
func Mmap(file string) (Data, error) {
f, err := os.Open(file)
if err != nil {
return Data{}, err
}
return mmapFile(f)
}
|
