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glibc  2.9
argz-count.c
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00001 /* Routines for dealing with '\0' separated arg vectors.
00002    Copyright (C) 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004    Written by Miles Bader <miles@gnu.ai.mit.edu>
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 #include <argz.h>
00022 #include <string.h>
00023 
00024 /* Returns the number of strings in ARGZ.  */
00025 size_t
00026 __argz_count (const char *argz, size_t len)
00027 {
00028   size_t count = 0;
00029   while (len > 0)
00030     {
00031       size_t part_len = strlen(argz);
00032       argz += part_len + 1;
00033       len -= part_len + 1;
00034       count++;
00035     }
00036   return count;
00037 }
00038 INTDEF(__argz_count)
00039 weak_alias (__argz_count, argz_count)