| 1 | /* Copyright (C) 1991-2022 Free Software Foundation, Inc. |
|---|
| 2 | This file is part of the GNU C Library. |
|---|
| 3 | |
|---|
| 4 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 5 | modify it under the terms of the GNU Lesser General Public |
|---|
| 6 | License as published by the Free Software Foundation; either |
|---|
| 7 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 8 | |
|---|
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 12 | Lesser General Public License for more details. |
|---|
| 13 | |
|---|
| 14 | You should have received a copy of the GNU Lesser General Public |
|---|
| 15 | License along with the GNU C Library; if not, see |
|---|
| 16 | <https://www.gnu.org/licenses/>. */ |
|---|
| 17 | |
|---|
| 18 | #include <errno.h> |
|---|
| 19 | #include <stddef.h> |
|---|
| 20 | #include <unistd.h> |
|---|
| 21 | #include <sys/types.h> |
|---|
| 22 | #include <limits.h> |
|---|
| 23 | |
|---|
| 24 | |
|---|
| 25 | /* If SIZE is zero, return the number of supplementary groups |
|---|
| 26 | the calling process is in. Otherwise, fill in the group IDs |
|---|
| 27 | of its supplementary groups in LIST and return the number written. */ |
|---|
| 28 | int |
|---|
| 29 | __getgroups (int size, gid_t *list) |
|---|
| 30 | { |
|---|
| 31 | #if defined (NGROUPS_MAX) && NGROUPS_MAX == 0 |
|---|
| 32 | /* The system has no supplementary groups. */ |
|---|
| 33 | return 0; |
|---|
| 34 | #endif |
|---|
| 35 | |
|---|
| 36 | __set_errno (ENOSYS); |
|---|
| 37 | return -1; |
|---|
| 38 | } |
|---|
| 39 | |
|---|
| 40 | #if !(defined (NGROUPS_MAX) && NGROUPS_MAX == 0) |
|---|
| 41 | stub_warning (getgroups); |
|---|
| 42 | #endif |
|---|
| 43 | |
|---|
| 44 | weak_alias (__getgroups, getgroups) |
|---|
| 45 | |
|---|
