1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009 David Schultz <[email protected]>
5 * All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 * All rights reserved.
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 <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
36
37 #include "namespace.h"
38 #include <errno.h>
39 #include <limits.h>
40 #include <stdarg.h>
41 #include <stdio.h>
42 #include "un-namespace.h"
43
44 #include "local.h"
45 #include "xlocale_private.h"
46
47 int
vdprintf(int fd,const char * __restrict fmt,va_list ap)48 vdprintf(int fd, const char * __restrict fmt, va_list ap)
49 {
50 FILE f = FAKE_FILE;
51 unsigned char buf[BUFSIZ];
52 int ret;
53
54 if (fd > SHRT_MAX) {
55 errno = EMFILE;
56 return (EOF);
57 }
58
59 f._p = buf;
60 f._w = sizeof(buf);
61 f._flags = __SWR;
62 f._file = fd;
63 f._cookie = &f;
64 f._write = __swrite;
65 f._bf._base = buf;
66 f._bf._size = sizeof(buf);
67
68 if ((ret = __vfprintf(&f, __get_locale(), fmt, ap)) < 0)
69 return (ret);
70
71 return (__fflush(&f) ? EOF : ret);
72 }
73