From 392d7920cd6e66a9e0fd6a4fb2c93d1ccabf65b9 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 29 Apr 1996 05:21:53 +0000 Subject: Mon Apr 29 00:11:59 1996 Roland McGrath * errno.h [!__error_t_defined] (error_t): New type. * sysdeps/mach/hurd/errnos.awk: #define __error_t_defined after the typedef in errnos.h. * string/envz.c, string/envz.h: New files. * string/argz.h, string/argz-append.c, string/argz-count.c, string/argz-create.c, string/argz-delete.c, string/argz-extract.c, string/argz-insert.c, string/argz-stringify.c: New files. * string/Makefile (routines): Add envz, argz-*. (headers): Add argz.h, envz.h. --- string/argz-count.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 string/argz-count.c (limited to 'string/argz-count.c') diff --git a/string/argz-count.c b/string/argz-count.c new file mode 100644 index 0000000..a10119b --- /dev/null +++ b/string/argz-count.c @@ -0,0 +1,38 @@ +/* Routines for dealing with '\0' separated arg vectors. + + Copyright (C) 1995, 1996 Free Software Foundation, Inc. + + Written by Miles Bader + + 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 +#include + +/* Returns the number of strings in ARGZ. */ +size_t +__argz_count (const char *argz, size_t len) +{ + size_t count = 0; + while (len > 0) + { + size_t part_len = strlen(argz); + argz += part_len + 1; + len -= part_len + 1; + count++; + } + return count; +} +weak_alias (__argz_count, argz_count) -- cgit v1.1