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/* $OpenBSD: fputwc.c,v 1.7 2016/01/26 13:57:02 schwarze Exp $ */ |
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/* $NetBSD: fputwc.c,v 1.3 2003/03/07 07:11:37 tshiozak Exp $ */ |
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/*- |
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* Copyright (c)2001 Citrus Project, |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* $Citrus$ |
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*/ |
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#include <errno.h> |
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#include <limits.h> |
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#include <stdio.h> |
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#include <wchar.h> |
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#include "local.h" |
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#include "fvwrite.h" |
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wint_t |
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__fputwc_unlock(wchar_t wc, FILE *fp) |
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{ |
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struct wchar_io_data *wcio; |
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mbstate_t *st; |
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size_t size; |
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char buf[MB_LEN_MAX]; |
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struct __suio uio; |
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struct __siov iov; |
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iov.iov_base = buf; |
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uio.uio_iov = &iov; |
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uio.uio_iovcnt = 1; |
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_SET_ORIENTATION(fp, 1); |
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wcio = WCIO_GET(fp); |
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if (wcio == 0) { |
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errno = ENOMEM; |
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return WEOF; |
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} |
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wcio->wcio_ungetwc_inbuf = 0; |
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st = &wcio->wcio_mbstate_out; |
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size = wcrtomb(buf, wc, st); |
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if (size == (size_t)-1) { |
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fp->_flags |= __SERR; |
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return WEOF; |
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} |
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uio.uio_resid = iov.iov_len = size; |
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if (__sfvwrite(fp, &uio)) { |
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return WEOF; |
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} |
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return (wint_t)wc; |
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} |
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wint_t |
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fputwc(wchar_t wc, FILE *fp) |
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{ |
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wint_t r; |
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FLOCKFILE(fp); |
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r = __fputwc_unlock(wc, fp); |
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FUNLOCKFILE(fp); |
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return (r); |
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} |
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DEF_STRONG(fputwc); |