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/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <unistd.h>
#include <sys/types.h>
#include <limits.h>
/* If SIZE is zero, return the number of supplementary groups
the calling process is in. Otherwise, fill in the group IDs
of its supplementary groups in LIST and return the number written. */
int
__getgroups (int size, gid_t *list)
{
#if defined (NGROUPS_MAX) && NGROUPS_MAX == 0
/* The system has no supplementary groups. */
return 0;
#endif
__set_errno (ENOSYS);
return -1;
}
#if !(defined (NGROUPS_MAX) && NGROUPS_MAX == 0)
stub_warning (getgroups);
#endif
weak_alias (__getgroups, getgroups)
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