glibc/stdlib/wcstombs.c

37 lines
1.4 KiB
C

/* Copyright (C) 1991,1992,1995,1996,1997,1999 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 `wchar_t' string in PWCS to a multibyte character string
in S, writing no more than N characters. Return the number of bytes
written, or (size_t) -1 if an invalid `wchar_t' was found. */
size_t
wcstombs (char *s, const wchar_t *pwcs, size_t n)
{
mbstate_t state;
memset (&state, '\0', sizeof state);
/* Return how many we wrote (or maybe an error). */
return __wcsrtombs (s, &pwcs, n, &state);
}