glibc/stdlib/mbstowcs.c
Ulrich Drepper 9f097308c7 Update.
1999-07-28  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/mblen.c: Use static state.
	Reported by Bruno Haible <haible@ilog.fr>.

	* stdlib/mbtowc.c: Reset state for s == NULL.
	* stdlib/wctomb.c: Likewise.
	Reported by Bruno Haible <haible@ilog.fr>.

	* stdlib/mbstowcs.c: Do not use global state.
	Reported by Bruno Haible <haible@ilog.fr>.
1999-07-28 19:37:40 +00:00

41 lines
1.6 KiB
C

/* Copyright (C) 1991, 1992, 1996, 1997, 1999 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
/* Convert the string of multibyte characters in S to `wchar_t's in
PWCS, writing no more than N. Return the number written,
or (size_t) -1 if an invalid multibyte character is encountered.
Attention: this function should NEVER be intentionally used.
The interface is completely stupid. The state is shared between
all conversion functions. You should use instead the restartable
version `mbsrtowcs'. */
size_t
mbstowcs (wchar_t *pwcs, const char *s, size_t n)
{
mbstate_t state;
memset (&state, '\0', sizeof state);
/* Return how many we wrote (or maybe an error). */
return __mbsrtowcs (pwcs, &s, n, &state);
}