string/argz-count.c

   1 /* Routines for dealing with '\0' separated arg vectors.
   2
   3    Copyright (C) 1995, 1996 Free Software Foundation, Inc.
   4
   5    Written by Miles Bader <miles@gnu.ai.mit.edu>
   6
   7    This program is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU General Public License as
   9    published by the Free Software Foundation; either version 2, or (at
  10    your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
  20
  21 #include <argz.h>
  22 #include <string.h>
  23
  24 /* Returns the number of strings in ARGZ.  */
  25 size_t
  26 __argz_count (const char *argz, size_t len)
  27 {
  28   size_t count = 0;
  29   while (len > 0)
  30     {
  31       size_t part_len = strlen(argz);
  32       argz += part_len + 1;
  33       len -= part_len + 1;
  34       count++;
  35     }
  36   return count;
  37 }
  38 weak_alias (__argz_count, argz_count)