xref: /freebsd/lib/libc/stdio/fputws.c (revision 2f2c1839f8d6025a050277b9abf31a330100c06d)
1e74101e4STim J. Robbins /*-
22f2c1839STim J. Robbins  * Copyright (c) 2002-2004 Tim J. Robbins.
3e74101e4STim J. Robbins  * All rights reserved.
4e74101e4STim J. Robbins  *
5e74101e4STim J. Robbins  * Redistribution and use in source and binary forms, with or without
6e74101e4STim J. Robbins  * modification, are permitted provided that the following conditions
7e74101e4STim J. Robbins  * are met:
8e74101e4STim J. Robbins  * 1. Redistributions of source code must retain the above copyright
9e74101e4STim J. Robbins  *    notice, this list of conditions and the following disclaimer.
10e74101e4STim J. Robbins  * 2. Redistributions in binary form must reproduce the above copyright
11e74101e4STim J. Robbins  *    notice, this list of conditions and the following disclaimer in the
12e74101e4STim J. Robbins  *    documentation and/or other materials provided with the distribution.
13e74101e4STim J. Robbins  *
14e74101e4STim J. Robbins  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15e74101e4STim J. Robbins  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16e74101e4STim J. Robbins  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17e74101e4STim J. Robbins  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18e74101e4STim J. Robbins  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19e74101e4STim J. Robbins  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20e74101e4STim J. Robbins  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21e74101e4STim J. Robbins  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22e74101e4STim J. Robbins  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23e74101e4STim J. Robbins  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24e74101e4STim J. Robbins  * SUCH DAMAGE.
25e74101e4STim J. Robbins  */
26e74101e4STim J. Robbins 
27e74101e4STim J. Robbins #include <sys/cdefs.h>
28e74101e4STim J. Robbins __FBSDID("$FreeBSD$");
29e74101e4STim J. Robbins 
30e74101e4STim J. Robbins #include "namespace.h"
31e74101e4STim J. Robbins #include <errno.h>
32e74101e4STim J. Robbins #include <stdio.h>
33e74101e4STim J. Robbins #include <wchar.h>
34e74101e4STim J. Robbins #include "un-namespace.h"
352f2c1839STim J. Robbins #include "fvwrite.h"
36e74101e4STim J. Robbins #include "libc_private.h"
37e74101e4STim J. Robbins #include "local.h"
382f2c1839STim J. Robbins #include "mblocal.h"
39e74101e4STim J. Robbins 
40e74101e4STim J. Robbins int
41e74101e4STim J. Robbins fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
42e74101e4STim J. Robbins {
432f2c1839STim J. Robbins 	size_t nbytes;
442f2c1839STim J. Robbins 	char buf[BUFSIZ];
452f2c1839STim J. Robbins 	struct __suio uio;
462f2c1839STim J. Robbins 	struct __siov iov;
47e74101e4STim J. Robbins 
487591ae56STim J. Robbins 	FLOCKFILE(fp);
497591ae56STim J. Robbins 	ORIENT(fp, 1);
502f2c1839STim J. Robbins 	if (prepwrite(fp) != 0)
512f2c1839STim J. Robbins 		goto error;
522f2c1839STim J. Robbins 	uio.uio_iov = &iov;
532f2c1839STim J. Robbins 	uio.uio_iovcnt = 1;
542f2c1839STim J. Robbins 	iov.iov_base = buf;
552f2c1839STim J. Robbins 	do {
562f2c1839STim J. Robbins 		nbytes = __wcsrtombs(buf, &ws, sizeof(buf),
572f2c1839STim J. Robbins 		    &fp->_extra->mbstate);
582f2c1839STim J. Robbins 		if (nbytes == (size_t)-1)
592f2c1839STim J. Robbins 			goto error;
602f2c1839STim J. Robbins 		iov.iov_len = uio.uio_resid = nbytes;
612f2c1839STim J. Robbins 		if (__sfvwrite(fp, &uio) != 0)
622f2c1839STim J. Robbins 			goto error;
632f2c1839STim J. Robbins 	} while (ws != NULL);
642f2c1839STim J. Robbins 	FUNLOCKFILE(fp);
652f2c1839STim J. Robbins 	return (0);
662f2c1839STim J. Robbins 
672f2c1839STim J. Robbins error:
687591ae56STim J. Robbins 	FUNLOCKFILE(fp);
69e74101e4STim J. Robbins 	return (-1);
707591ae56STim J. Robbins }
71