// Copyright 2016 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 !osusergo && darwin

package user

import (
	"internal/syscall/unix"
)

func getGroupList(name *_C_char, userGID _C_gid_t, gids *_C_gid_t, n *_C_int) _C_int {
	err := unix.Getgrouplist(name, userGID, gids, n)
	if err != nil {
		return -1
	}
	return 0

// Copyright 2023 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 cgo && !osusergo

package user

func init() {
	hasCgo = true

// Copyright 2016 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 cgo && !osusergo && (dragonfly || freebsd || (!android && linux) || netbsd || openbsd || (solaris && !illumos))

package user

/*
#include <unistd.h>
#include <sys/types.h>
#include <grp.h>

static int mygetgrouplist(const char* user, gid_t group, gid_t* groups, int* ngroups) {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build (darwin || dragonfly || freebsd || (!android && linux) || netbsd || openbsd || solaris) && cgo && !osusergo

package user

import (
	"testing"
)

// Issue 22739
func TestNegativeUid(t *testing.T) {
	sp := structPasswdForNegativeTest()
	u := buildUser(&sp)
	if g, w := u.Uid, "4294967294"; g != w {

// 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.

//go:build !osusergo && darwin

package user

import (
	"internal/syscall/unix"
	"syscall"
)

type _C_char = byte
type _C_int = int32
type _C_gid_t = uint32
type _C_uid_t = uint32
type _C_size_t = uintptr
type _C_struct_group = unix.Group

// Copyright 2016 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 (cgo || darwin) && !osusergo && (darwin || dragonfly || freebsd || (linux && !android) || netbsd || openbsd || (solaris && !illumos))

package user

import (
	"fmt"
	"strconv"
	"unsafe"
)

const maxGroups = 2048

func listGroups(u *User) ([]string, error) {

// 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.

//go:build (!cgo && !darwin && !windows && !plan9) || android || (osusergo && !windows && !plan9)

package user

import (
	"fmt"
	"os"
	"runtime"
	"strconv"
)

var (
	// unused variables (in this implementation)

// license that can be found in the LICENSE file.

//go:build ((darwin || dragonfly || freebsd || (js && wasm) || wasip1 || (!android && linux) || netbsd || openbsd || solaris) && ((!cgo && !darwin) || osusergo)) || aix || illumos

package user

import (
	"fmt"
	"slices"
	"strings"
	"testing"
)

var testGroupFile = `# See the opendirectoryd(8) man page for additional
# information about Open Directory.

// license that can be found in the LICENSE file.

//go:build ((darwin || dragonfly || freebsd || (js && wasm) || wasip1 || (!android && linux) || netbsd || openbsd || solaris) && ((!cgo && !darwin) || osusergo)) || aix || illumos

package user

import (
	"bufio"
	"bytes"
	"errors"
	"fmt"
	"io"
	"os"
	"strconv"
)

func listGroupsFromReader(u *User, r io.Reader) ([]string, error) {

getpwuid_r, getgrnam_r, and getgrouplist.

When cgo is available, and the required routines are implemented in libc
for a particular platform, cgo-based (libc-backed) code is used.
This can be overridden by using osusergo build tag, which enforces
the pure Go implementation.
*/
package user

import (
	"strconv"
)

// These may be set to false in init() for a particular platform and/or