1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 *
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "namespace.h"
35#include <errno.h>
36#include <limits.h>
37#include <stdarg.h>
38#include <stdio.h>
39#include "un-namespace.h"
40
41#include "local.h"
42#include "xlocale_private.h"
43
44int
45vdprintf(int fd, const char * __restrict fmt, va_list ap)
46{
47	FILE f = FAKE_FILE;
48	unsigned char buf[BUFSIZ];
49	int ret;
50
51	if (fd > SHRT_MAX) {
52		errno = EMFILE;
53		return (EOF);
54	}
55
56	f._p = buf;
57	f._w = sizeof(buf);
58	f._flags = __SWR;
59	f._file = fd;
60	f._cookie = &f;
61	f._write = __swrite;
62	f._bf._base = buf;
63	f._bf._size = sizeof(buf);
64
65	if ((ret = __vfprintf(&f, __get_locale(), fmt, ap)) < 0)
66		return (ret);
67
68	return (__fflush(&f) ? EOF : ret);
69}
70