xref: /freebsd/lib/libc/stdio/fputws.c (revision 1e98f88776fc606df245a382685b1ac634a81389)
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>
321949a347STim J. Robbins #include <limits.h>
33e74101e4STim J. Robbins #include <stdio.h>
34e74101e4STim J. Robbins #include <wchar.h>
35e74101e4STim J. Robbins #include "un-namespace.h"
362f2c1839STim J. Robbins #include "fvwrite.h"
37e74101e4STim J. Robbins #include "libc_private.h"
38e74101e4STim J. Robbins #include "local.h"
392f2c1839STim J. Robbins #include "mblocal.h"
40e74101e4STim J. Robbins 
41e74101e4STim J. Robbins int
42e74101e4STim J. Robbins fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
43e74101e4STim J. Robbins {
442f2c1839STim J. Robbins 	size_t nbytes;
452f2c1839STim J. Robbins 	char buf[BUFSIZ];
462f2c1839STim J. Robbins 	struct __suio uio;
472f2c1839STim J. Robbins 	struct __siov iov;
48e74101e4STim J. Robbins 
497591ae56STim J. Robbins 	FLOCKFILE(fp);
507591ae56STim J. Robbins 	ORIENT(fp, 1);
512f2c1839STim J. Robbins 	if (prepwrite(fp) != 0)
522f2c1839STim J. Robbins 		goto error;
532f2c1839STim J. Robbins 	uio.uio_iov = &iov;
542f2c1839STim J. Robbins 	uio.uio_iovcnt = 1;
552f2c1839STim J. Robbins 	iov.iov_base = buf;
562f2c1839STim J. Robbins 	do {
571949a347STim J. Robbins 		nbytes = __wcsnrtombs(buf, &ws, SIZE_T_MAX, sizeof(buf),
581e98f887SJohn Baldwin 		    &fp->_mbstate);
592f2c1839STim J. Robbins 		if (nbytes == (size_t)-1)
602f2c1839STim J. Robbins 			goto error;
612f2c1839STim J. Robbins 		iov.iov_len = uio.uio_resid = nbytes;
622f2c1839STim J. Robbins 		if (__sfvwrite(fp, &uio) != 0)
632f2c1839STim J. Robbins 			goto error;
642f2c1839STim J. Robbins 	} while (ws != NULL);
652f2c1839STim J. Robbins 	FUNLOCKFILE(fp);
662f2c1839STim J. Robbins 	return (0);
672f2c1839STim J. Robbins 
682f2c1839STim J. Robbins error:
697591ae56STim J. Robbins 	FUNLOCKFILE(fp);
70e74101e4STim J. Robbins 	return (-1);
717591ae56STim J. Robbins }
72