string/argz-extract.c

   1 /* Routines for dealing with '\0' separated arg vectors.
   2    Copyright (C) 1995-2017 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Written by Miles Bader <miles@gnu.org>
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library 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 GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <argz.h>
  21
  22 /* Puts pointers to each string in ARGZ, plus a terminating 0 element, into
  23    ARGV, which must be large enough to hold them all.  */
  24 void
  25 __argz_extract (const char *argz, size_t len, char **argv)
  26 {
  27   while (len > 0)
  28     {
  29       size_t part_len = strlen (argz);
  30       *argv++ = (char *) argz;
  31       argz += part_len + 1;
  32       len -= part_len + 1;
  33     }
  34   *argv = 0;
  35 }
  36 weak_alias (__argz_extract, argz_extract)