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samba-mirror/ctdb/protocol/protocol_packet.c
Amitay Isaacs 2717427e69 ctdb-protocol: Check arguments in ctdb_allocate_pkt
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00

49 lines
1.2 KiB
C

/*
CTDB protocol marshalling
Copyright (C) Amitay Isaacs 2015
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 "system/network.h"
#include <talloc.h>
#include <tdb.h>
#include "protocol_api.h"
#define CTDB_DS_ALIGNMENT 8
int ctdb_allocate_pkt(TALLOC_CTX *mem_ctx, size_t length,
uint8_t **buf, size_t *buflen)
{
size_t new_length;
if (buf == NULL || buflen == NULL) {
return EINVAL;
}
new_length = (length + CTDB_DS_ALIGNMENT-1) & ~(CTDB_DS_ALIGNMENT-1);
*buflen = new_length;
*buf = talloc_zero_size(mem_ctx, new_length);
if (*buf == NULL) {
return ENOMEM;
}
return 0;
}