glibc/wcsmbs/mbslen.c
Roland McGrath a482b5a595 * Makefile (subdirs): Added wcsmbs.
* wcsmbs: New directory of wide char/multibyte char functions from
	drepper.
1996-02-08 10:00:34 +00:00

46 lines
1.3 KiB
C

/* Copyright (C) 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <mbstr.h>
#include <stdlib.h>
/* Return the length of MBS. */
size_t
mbslen (mbs)
const char *mbs;
{
size_t len = 0;
int clen = 0;
/* Reset multibyte characters to their initial state. */
(void) mblen ((char *) NULL, 0);
do
{
len += clen;
clen = mblen (&mbs[len], MB_CUR_MAX);
}
while (clen > 0);
/* FIXME: if string contains an illegal character the length upto this
character is returned. */
return len;
}