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posix/getgroups.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Copyright (C) 1991-2026 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)