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45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <stddef.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <limits.h>
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/* If SIZE is zero, return the number of supplementary groups
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the calling process is in. Otherwise, fill in the group IDs
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of its supplementary groups in LIST and return the number written. */
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int
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__getgroups (int size, gid_t *list)
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{
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#if defined (NGROUPS_MAX) && NGROUPS_MAX == 0
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/* The system has no supplementary groups. */
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return 0;
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#endif
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__set_errno (ENOSYS);
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return -1;
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}
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#if !(defined (NGROUPS_MAX) && NGROUPS_MAX == 0)
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stub_warning (getgroups);
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#endif
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weak_alias (__getgroups, getgroups)
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