BLI_array.c

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/*
 * 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 2
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2008 Blender Foundation.
 * All rights reserved.
 */
 
#include <string.h>
 
#include "BLI_array.h"
 
#include "BLI_sys_types.h"
 
#include "MEM_guardedalloc.h"
 
void _bli_array_grow_func(void **arr_p,
                          const void *arr_static,
                          const int sizeof_arr_p,
                          const int arr_len,
                          const int num,
                          const char *alloc_str)
{
  void *arr = *arr_p;
  void *arr_tmp;
 
  arr_tmp = MEM_mallocN(sizeof_arr_p * ((num < arr_len) ? (arr_len * 2 + 2) : (arr_len + num)),
                        alloc_str);
 
  if (arr) {
    memcpy(arr_tmp, arr, sizeof_arr_p * arr_len);
 
    if (arr != arr_static) {
      MEM_freeN(arr);
    }
  }
 
  *arr_p = arr_tmp;
}