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
44 int
vdprintf(int fd,const char * __restrict fmt,va_list ap)45 vdprintf(int fd, const char * __restrict fmt, va_list ap)
46 {
47 FILE f = FAKE_FILE;
48 unsigned char buf[BUFSIZ];
49 int serrno = errno;
50 int ret;
51
52 if (fd > SHRT_MAX) {
53 errno = EMFILE;
54 return (EOF);
55 }
56
57 f._p = buf;
58 f._w = sizeof(buf);
59 f._flags = __SWR;
60 f._file = fd;
61 f._cookie = &f;
62 f._write = __swrite;
63 f._bf._base = buf;
64 f._bf._size = sizeof(buf);
65
66 if ((ret = __vfprintf(&f, __get_locale(), serrno, fmt, ap)) < 0)
67 return (ret);
68
69 return (__fflush(&f) ? EOF : ret);
70 }
71