Gecko [ 167.86.127.34 ]

Name	Size	Permission
cgo_lookup_unix.go	6.49 KB	-rw-r--r--
cgo_unix_test.go	573 B	-rw-r--r--
getgrouplist_darwin.go	1.28 KB	-rw-r--r--
getgrouplist_unix.go	1.19 KB	-rw-r--r--
listgroups_aix.go	346 B	-rw-r--r--
listgroups_solaris.go	549 B	-rw-r--r--
listgroups_unix.go	1.17 KB	-rw-r--r--
lookup.go	1.71 KB	-rw-r--r--
lookup_android.go	675 B	-rw-r--r--
lookup_plan9.go	1.11 KB	-rw-r--r--
lookup_stubs.go	1.87 KB	-rw-r--r--
lookup_unix.go	4.99 KB	-rw-r--r--
lookup_unix_test.go	7.63 KB	-rw-r--r--
lookup_windows.go	11.58 KB	-rw-r--r--
user.go	2.7 KB	-rw-r--r--
user_test.go	3.51 KB	-rw-r--r--

Code Editor : lookup.go

// 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.

package user

import "sync"

// Current returns the current user.
//
// The first call will cache the current user information.
// Subsequent calls will return the cached value and will not reflect
// changes to the current user.
func Current() (*User, error) {
	cache.Do(func() { cache.u, cache.err = current() })
	if cache.err != nil {
		return nil, cache.err
	}
	u := *cache.u // copy
	return &u, nil
}

// cache of the current user
var cache struct {
	sync.Once
	u   *User
	err error
}

// Lookup looks up a user by username. If the user cannot be found, the
// returned error is of type UnknownUserError.
func Lookup(username string) (*User, error) {
	if u, err := Current(); err == nil && u.Username == username {
		return u, err
	}
	return lookupUser(username)
}

// LookupId looks up a user by userid. If the user cannot be found, the
// returned error is of type UnknownUserIdError.
func LookupId(uid string) (*User, error) {
	if u, err := Current(); err == nil && u.Uid == uid {
		return u, err
	}
	return lookupUserId(uid)
}

// LookupGroup looks up a group by name. If the group cannot be found, the
// returned error is of type UnknownGroupError.
func LookupGroup(name string) (*Group, error) {
	return lookupGroup(name)
}

// LookupGroupId looks up a group by groupid. If the group cannot be found, the
// returned error is of type UnknownGroupIdError.
func LookupGroupId(gid string) (*Group, error) {
	return lookupGroupId(gid)
}

// GroupIds returns the list of group IDs that the user is a member of.
func (u *User) GroupIds() ([]string, error) {
	return listGroups(u)
}

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Code Editor : lookup.go