xref: /freebsd/lib/libc/stdio/fputws.c (revision 3c87aa1d3dc1d8dad3efad322852a8e1e76dee55)
1e74101e4STim J. Robbins /*-
22f2c1839STim J. Robbins  * Copyright (c) 2002-2004 Tim J. Robbins.
3e74101e4STim J. Robbins  * All rights reserved.
4e74101e4STim J. Robbins  *
5*3c87aa1dSDavid Chisnall  * Copyright (c) 2011 The FreeBSD Foundation
6*3c87aa1dSDavid Chisnall  * All rights reserved.
7*3c87aa1dSDavid Chisnall  * Portions of this software were developed by David Chisnall
8*3c87aa1dSDavid Chisnall  * under sponsorship from the FreeBSD Foundation.
9*3c87aa1dSDavid Chisnall  *
10e74101e4STim J. Robbins  * Redistribution and use in source and binary forms, with or without
11e74101e4STim J. Robbins  * modification, are permitted provided that the following conditions
12e74101e4STim J. Robbins  * are met:
13e74101e4STim J. Robbins  * 1. Redistributions of source code must retain the above copyright
14e74101e4STim J. Robbins  *    notice, this list of conditions and the following disclaimer.
15e74101e4STim J. Robbins  * 2. Redistributions in binary form must reproduce the above copyright
16e74101e4STim J. Robbins  *    notice, this list of conditions and the following disclaimer in the
17e74101e4STim J. Robbins  *    documentation and/or other materials provided with the distribution.
18e74101e4STim J. Robbins  *
19e74101e4STim J. Robbins  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20e74101e4STim J. Robbins  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21e74101e4STim J. Robbins  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22e74101e4STim J. Robbins  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23e74101e4STim J. Robbins  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24e74101e4STim J. Robbins  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25e74101e4STim J. Robbins  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26e74101e4STim J. Robbins  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27e74101e4STim J. Robbins  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28e74101e4STim J. Robbins  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29e74101e4STim J. Robbins  * SUCH DAMAGE.
30e74101e4STim J. Robbins  */
31e74101e4STim J. Robbins 
32e74101e4STim J. Robbins #include <sys/cdefs.h>
33e74101e4STim J. Robbins __FBSDID("$FreeBSD$");
34e74101e4STim J. Robbins 
35e74101e4STim J. Robbins #include "namespace.h"
36e74101e4STim J. Robbins #include <errno.h>
371949a347STim J. Robbins #include <limits.h>
38e74101e4STim J. Robbins #include <stdio.h>
39e74101e4STim J. Robbins #include <wchar.h>
40e74101e4STim J. Robbins #include "un-namespace.h"
412f2c1839STim J. Robbins #include "fvwrite.h"
42e74101e4STim J. Robbins #include "libc_private.h"
43e74101e4STim J. Robbins #include "local.h"
442f2c1839STim J. Robbins #include "mblocal.h"
45e74101e4STim J. Robbins 
46e74101e4STim J. Robbins int
47*3c87aa1dSDavid Chisnall fputws_l(const wchar_t * __restrict ws, FILE * __restrict fp, locale_t locale)
48e74101e4STim J. Robbins {
492f2c1839STim J. Robbins 	size_t nbytes;
502f2c1839STim J. Robbins 	char buf[BUFSIZ];
512f2c1839STim J. Robbins 	struct __suio uio;
522f2c1839STim J. Robbins 	struct __siov iov;
53f27b1c06SRoman Divacky 	const wchar_t *wsp;
54*3c87aa1dSDavid Chisnall 	FIX_LOCALE(locale);
55*3c87aa1dSDavid Chisnall 	struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
56e74101e4STim J. Robbins 
577591ae56STim J. Robbins 	FLOCKFILE(fp);
587591ae56STim J. Robbins 	ORIENT(fp, 1);
592f2c1839STim J. Robbins 	if (prepwrite(fp) != 0)
602f2c1839STim J. Robbins 		goto error;
612f2c1839STim J. Robbins 	uio.uio_iov = &iov;
622f2c1839STim J. Robbins 	uio.uio_iovcnt = 1;
632f2c1839STim J. Robbins 	iov.iov_base = buf;
642f2c1839STim J. Robbins 	do {
65f27b1c06SRoman Divacky 		wsp = ws;
66*3c87aa1dSDavid Chisnall 		nbytes = l->__wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf),
671e98f887SJohn Baldwin 		    &fp->_mbstate);
682f2c1839STim J. Robbins 		if (nbytes == (size_t)-1)
692f2c1839STim J. Robbins 			goto error;
702f2c1839STim J. Robbins 		iov.iov_len = uio.uio_resid = nbytes;
712f2c1839STim J. Robbins 		if (__sfvwrite(fp, &uio) != 0)
722f2c1839STim J. Robbins 			goto error;
732f2c1839STim J. Robbins 	} while (ws != NULL);
742f2c1839STim J. Robbins 	FUNLOCKFILE(fp);
752f2c1839STim J. Robbins 	return (0);
762f2c1839STim J. Robbins 
772f2c1839STim J. Robbins error:
787591ae56STim J. Robbins 	FUNLOCKFILE(fp);
79e74101e4STim J. Robbins 	return (-1);
807591ae56STim J. Robbins }
81*3c87aa1dSDavid Chisnall 
82*3c87aa1dSDavid Chisnall int
83*3c87aa1dSDavid Chisnall fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
84*3c87aa1dSDavid Chisnall {
85*3c87aa1dSDavid Chisnall 	return fputws_l(ws, fp, __get_locale());
86*3c87aa1dSDavid Chisnall }
87