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/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
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 <errno.h>
#include <wchar.h>
#ifndef EILSEQ
#define EILSEQ EINVAL
#endif
static mbstate_t internal;
size_t
wcrtomb (s, wc, ps)
char *s;
wchar_t wc;
mbstate_t *ps;
{
char fake[1];
if (ps == NULL)
ps = &internal;
/*************************************************************\
|* This is no complete implementation. While the multi-byte *|
|* character handling is not finished this will do. *|
\*************************************************************/
if (s == NULL)
{
s = fake;
wc = L'\0';
}
if (wc == L'\0')
{
/* FIXME Write any shift sequence to get to *PS == NULL. */
*ps = 0;
*s = '\0';
return 1;
}
/* FIXME For now we don't handle real multi-byte encodings. */
if ((wc & ~0xff) != 0)
{
errno = EILSEQ;
return (size_t) -1;
}
*s = (char) wc;
return 1;
}
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