1 /* xgetgroups.c -- return a list of the groups a user or current process is in 2 3 Copyright (C) 2007-2021 Free Software Foundation, Inc. 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation, either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 18 /* Extracted from coreutils' src/id.c. */ 19 20 #include <config.h> 21 22 #include "mgetgroups.h" 23 24 #include <errno.h> 25 26 #include "xalloc.h" 27 28 /* Like mgetgroups, but call xalloc_die on allocation failure. */ 29 30 int 31 xgetgroups (char const *username, gid_t gid, gid_t **groups) /* */ 32 { 33 int result = mgetgroups (username, gid, groups); 34 if (result == -1 && errno == ENOMEM) 35 xalloc_die (); 36 return result; 37 }