compat/strndup.c

   1 /*****************************************************************************
   2  * strndup.c: POSIX strndup() replacement
   3  *****************************************************************************
   4  * Copyright © 1998-2009 VLC authors and VideoLAN
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include <config.h>
  23 #endif
  24
  25 #include <string.h>
  26 #include <stdlib.h>
  27
  28 char *strndup (const char *str, size_t max)
  29 {
  30     size_t len = strnlen (str, max);
  31     char *res = malloc (len + 1);
  32     if (res)
  33     {
  34         memcpy (res, str, len);
  35         res[len] = '\0';
  36     }
  37     return res;
  38 }