librpc/wsp/wsp_helper.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *
   4  *  Window Search Service
   5  *
   6  *  Copyright (c) Noel Power
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 3 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  20  */
  21 #include "includes.h"
  22 #include "librpc/wsp/wsp_helper.h"
  23 #include "librpc/gen_ndr/ndr_wsp.h"
  24
  25 uint32_t calc_array_size(struct safearraybound *bounds, uint32_t ndims)
  26 {
  27         uint32_t i;
  28         uint32_t result = 0;
  29
  30         for(i = 0; i < ndims; i++) {
  31                 uint32_t celements = bounds[i].celements;
  32                 if (i) {
  33                         SMB_ASSERT((result > UINT32_MAX / celements) == false);
  34                         result = result * celements;
  35                 } else {
  36                         result = celements;
  37                 }
  38         }
  39         return result;
  40 }