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/*
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 "replace.h"
#include "lib/util/samba_util.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, uint32_t *num_gids)
{
uint32_t 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, uint32_t *num_uids)
{
uint32_t 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;
}
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