lib/util/iov_buf.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * Samba system utilities
   4  * Copyright (C) Volker Lendecke 2014
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "replace.h"
  21 #include "system/filesys.h"
  22 #include "iov_buf.h"
  23 #include <talloc.h>
  24
  25 uint8_t *iov_concat(TALLOC_CTX *mem_ctx, const struct iovec *iov, int count)
  26 {
  27         ssize_t buflen;
  28         uint8_t *buf;
  29
  30         buflen = iov_buflen(iov, count);
  31         if (buflen == -1) {
  32                 return NULL;
  33         }
  34
  35         buf = talloc_array(mem_ctx, uint8_t, buflen);
  36         if (buf == NULL) {
  37                 return NULL;
  38         }
  39
  40         iov_buf(iov, count, buf, buflen);
  41
  42         return buf;
  43 }