Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tree: 1db6184a85
Fetching contributors…

Cannot retrieve contributors at this time

52 lines (44 sloc) 1.078 kb
/*
Copyright 2011 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// +build cgo
package main
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
)
func LookupGroupId(group string) (gid int, err error) {
f, err := os.Open("/etc/group")
if err != nil {
return
}
defer f.Close()
br := bufio.NewReader(f)
for {
s, err := br.ReadString('\n')
if err == io.EOF {
break
}
if err != nil {
return 0, err
}
p := strings.Split(s, ":")
if len(p) >= 3 && p[0] == group {
return strconv.Atoi(p[2])
}
}
return 0, fmt.Errorf("group %q not found", group)
}
Jump to Line
Something went wrong with that request. Please try again.