glibc/string/argz-extract.c

/* Routines for dealing with '\0' separated arg vectors.

   Copyright (C) 1995, 1996 Free Software Foundation, Inc.

   Written by Miles Bader <miles@gnu.ai.mit.edu>

   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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */

#include <argz.h>

/* Puts pointers to each string in ARGZ, plus a terminating 0 element, into
   ARGV, which must be large enough to hold them all.  */
void
__argz_extract (char *argz, size_t len, char **argv)
{
  while (len > 0)
    {
      size_t part_len = strlen(argz);
      *argv++ = argz;
      argz += part_len + 1;
      len -= part_len + 1;
    }
  *argv = 0;
}
weak_alias (__argz_extract, argz_extract)