compat/strsep.c

   1 /*****************************************************************************
   2  * strsep.c: BSD strsep() 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
  27 char *strsep( char **ppsz_string, const char *psz_delimiters )
  28 {
  29     char *psz_string = *ppsz_string;
  30     if( !psz_string )
  31         return NULL;
  32
  33     char *p = strpbrk( psz_string, psz_delimiters );
  34     if( !p )
  35     {
  36         *ppsz_string = NULL;
  37         return psz_string;
  38     }
  39     *p++ = '\0';
  40
  41     *ppsz_string = p;
  42     return psz_string;
  43 }