go lookup_plan9 源码
golang lookup_plan9 代码
文件路径：/src/os/user/lookup_plan9.go
// Copyright 2013 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.
package user
import (
"fmt"
"os"
"syscall"
)
// Partial os/user support on Plan 9.
// Supports Current(), but not Lookup()/LookupId().
// The latter two would require parsing /adm/users.
const (
userFile = "/dev/user"
)
func init() {
userImplemented = false
groupImplemented = false
groupListImplemented = false
}
func current() (*User, error) {
ubytes, err := os.ReadFile(userFile)
if err != nil {
return nil, fmt.Errorf("user: %s", err)
}
uname := string(ubytes)
u := &User{
Uid: uname,
Gid: uname,
Username: uname,
Name: uname,
HomeDir: os.Getenv("home"),
}
return u, nil
}
func lookupUser(username string) (*User, error) {
return nil, syscall.EPLAN9
}
func lookupUserId(uid string) (*User, error) {
return nil, syscall.EPLAN9
}
func lookupGroup(groupname string) (*Group, error) {
return nil, syscall.EPLAN9
}
func lookupGroupId(string) (*Group, error) {
return nil, syscall.EPLAN9
}
func listGroups(*User) ([]string, error) {
return nil, syscall.EPLAN9
}
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