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[glibc/history.git] / string / argz-count.c
blob39282e84a25abab8ebb0409acec9359fd78ee67d
1 /* Routines for dealing with '\0' separated arg vectors.
2 Copyright (C) 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Miles Bader <miles@gnu.ai.mit.edu>
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <argz.h>
22 #include <string.h>
24 /* Returns the number of strings in ARGZ. */
25 size_t
26 __argz_count (const char *argz, size_t len)
28 size_t count = 0;
29 while (len > 0)
31 size_t part_len = strlen(argz);
32 argz += part_len + 1;
33 len -= part_len + 1;
34 count++;
36 return count;
38 INTDEF(__argz_count)
39 weak_alias (__argz_count, argz_count)