/* Unix SMB/CIFS implementation. Helper routines for uid and gid arrays Copyright (C) Guenther Deschner 2009 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" /**************************************************************************** Add a gid to an array of gids if it's not already there. ****************************************************************************/ bool add_gid_to_array_unique(TALLOC_CTX *mem_ctx, gid_t gid, gid_t **gids, size_t *num_gids) { int i; if ((*num_gids != 0) && (*gids == NULL)) { /* * A former call to this routine has failed to allocate memory */ return false; } for (i=0; i<*num_gids; i++) { if ((*gids)[i] == gid) { return true; } } *gids = talloc_realloc(mem_ctx, *gids, gid_t, *num_gids+1); if (*gids == NULL) { *num_gids = 0; return false; } (*gids)[*num_gids] = gid; *num_gids += 1; return true; } /**************************************************************************** Add a uid to an array of uids if it's not already there. ****************************************************************************/ bool add_uid_to_array_unique(TALLOC_CTX *mem_ctx, uid_t uid, uid_t **uids, size_t *num_uids) { int i; if ((*num_uids != 0) && (*uids == NULL)) { /* * A former call to this routine has failed to allocate memory */ return false; } for (i=0; i<*num_uids; i++) { if ((*uids)[i] == uid) { return true; } } *uids = talloc_realloc(mem_ctx, *uids, uid_t, *num_uids+1); if (*uids == NULL) { *num_uids = 0; return false; } (*uids)[*num_uids] = uid; *num_uids += 1; return true; }