1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38#if 0
39static char sccsid[] = "@(#)stdio.c 8.1 (Berkeley) 6/4/93";
40#endif
41static const char rcsid[] =
42 "$FreeBSD: head/lib/libc/stdio/stdio.c 82807 2001-09-02 19:10:10Z ache $";
43#endif /* LIBC_SCCS and not lint */
44
45#include "namespace.h"
46#include <errno.h>
47#include <fcntl.h>
48#include <stdio.h>
49#include <unistd.h>
50#include "un-namespace.h"
51#include "local.h"
52
53/*
54 * Small standard I/O/seek/close functions.
55 */
56int
57__sread(cookie, buf, n)
58 void *cookie;
59 char *buf;
60 int n;
61{
62 register FILE *fp = cookie;
63
64 return(_read(fp->_file, buf, (size_t)n));
65}
66
67int
68__swrite(cookie, buf, n)
69 void *cookie;
70 char const *buf;
71 int n;
72{
73 register FILE *fp = cookie;
74
75 return (_write(fp->_file, buf, (size_t)n));
76}
77
78fpos_t
79__sseek(cookie, offset, whence)
80 void *cookie;
81 fpos_t offset;
82 int whence;
83{
84 register FILE *fp = cookie;
85
86 return (lseek(fp->_file, (off_t)offset, whence));
87}
88
89int
90__sclose(cookie)
91 void *cookie;
92{
93
94 return (_close(((FILE *)cookie)->_file));
95}