/*
 * 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) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 */

#include <stdlib.h>

#include <string.h>
#include <stdarg.h>
#include <stdio.h>

#include "MEM_guardedalloc.h"

#include "Util.h"

void *memdbl(void *mem, int *size_pr, int item_size)
{
  int cur_size = *size_pr;
  int new_size = cur_size ? (cur_size * 2) : 1;
  void *nmem = MEM_mallocN(new_size * item_size, "memdbl");

  memcpy(nmem, mem, cur_size * item_size);
  MEM_freeN(mem);

  *size_pr = new_size;
  return nmem;
}

char *string_dup(char *str)
{
  int len = strlen(str);
  char *nstr = MEM_mallocN(len + 1, "string_dup");

  memcpy(nstr, str, len + 1);

  return nstr;
}

void fatal(char *fmt, ...)
{
  va_list ap;

  fprintf(stderr, "FATAL: ");
  va_start(ap, fmt);
  vfprintf(stderr, fmt, ap);
  va_end(ap);
  fprintf(stderr, "\n");

  exit(1);
}