xref: /illumos-gate/usr/src/boot/libsa/fstat.c (revision 22028508)
1 /*	$NetBSD: fstat.c,v 1.1 1996/01/13 22:25:38 leo Exp $	*/
2 
3 /*
4  * Copyright (c) 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)stat.c	8.1 (Berkeley) 6/11/93
32  */
33 
34 #include <sys/cdefs.h>
35 
36 #include "stand.h"
37 
38 int
fstat(int fd,struct stat * sb)39 fstat(int fd, struct stat *sb)
40 {
41 	struct open_file *f;
42 
43 	f = fd2open_file(fd);
44 	if (f == NULL || f->f_flags == 0) {
45 		errno = EBADF;
46 		return (-1);
47 	}
48 
49 	/* operation not defined on raw devices */
50 	if (f->f_flags & F_RAW) {
51 		errno = EOPNOTSUPP;
52 		return (-1);
53 	}
54 
55 	errno = (f->f_ops->fo_stat)(f, sb);
56 	if (errno)
57 		return (-1);
58 	return (0);
59 }
60