xref: /dflybsd-src/stand/lib/fstat.c (revision 479ab7f0492f2a51b48e8537e4f1dc686fc6014b)
1*479ab7f0SSascha Wildner /*	$NetBSD: fstat.c,v 1.1 1996/01/13 22:25:38 leo Exp $	*/
2*479ab7f0SSascha Wildner /* $DragonFly: src/lib/libstand/fstat.c,v 1.3 2005/12/11 02:27:26 swildner Exp $							*/
3*479ab7f0SSascha Wildner 
4*479ab7f0SSascha Wildner /*-
5*479ab7f0SSascha Wildner  * Copyright (c) 1993
6*479ab7f0SSascha Wildner  *	The Regents of the University of California.  All rights reserved.
7*479ab7f0SSascha Wildner  *
8*479ab7f0SSascha Wildner  * Redistribution and use in source and binary forms, with or without
9*479ab7f0SSascha Wildner  * modification, are permitted provided that the following conditions
10*479ab7f0SSascha Wildner  * are met:
11*479ab7f0SSascha Wildner  * 1. Redistributions of source code must retain the above copyright
12*479ab7f0SSascha Wildner  *    notice, this list of conditions and the following disclaimer.
13*479ab7f0SSascha Wildner  * 2. Redistributions in binary form must reproduce the above copyright
14*479ab7f0SSascha Wildner  *    notice, this list of conditions and the following disclaimer in the
15*479ab7f0SSascha Wildner  *    documentation and/or other materials provided with the distribution.
16*479ab7f0SSascha Wildner  * 3. Neither the name of the University nor the names of its contributors
17*479ab7f0SSascha Wildner  *    may be used to endorse or promote products derived from this software
18*479ab7f0SSascha Wildner  *    without specific prior written permission.
19*479ab7f0SSascha Wildner  *
20*479ab7f0SSascha Wildner  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21*479ab7f0SSascha Wildner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22*479ab7f0SSascha Wildner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23*479ab7f0SSascha Wildner  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24*479ab7f0SSascha Wildner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25*479ab7f0SSascha Wildner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26*479ab7f0SSascha Wildner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27*479ab7f0SSascha Wildner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28*479ab7f0SSascha Wildner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29*479ab7f0SSascha Wildner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30*479ab7f0SSascha Wildner  * SUCH DAMAGE.
31*479ab7f0SSascha Wildner  *
32*479ab7f0SSascha Wildner  *	@(#)stat.c	8.1 (Berkeley) 6/11/93
33*479ab7f0SSascha Wildner  */
34*479ab7f0SSascha Wildner 
35*479ab7f0SSascha Wildner #include "stand.h"
36*479ab7f0SSascha Wildner 
37*479ab7f0SSascha Wildner int
fstat(int fd,struct stat * sb)38*479ab7f0SSascha Wildner fstat(int fd, struct stat *sb)
39*479ab7f0SSascha Wildner {
40*479ab7f0SSascha Wildner 	struct open_file *f = &files[fd];
41*479ab7f0SSascha Wildner 
42*479ab7f0SSascha Wildner 	if ((unsigned)fd >= SOPEN_MAX || f->f_flags == 0) {
43*479ab7f0SSascha Wildner 		errno = EBADF;
44*479ab7f0SSascha Wildner 		return (-1);
45*479ab7f0SSascha Wildner 	}
46*479ab7f0SSascha Wildner 
47*479ab7f0SSascha Wildner 	/* operation not defined on raw devices */
48*479ab7f0SSascha Wildner 	if (f->f_flags & F_RAW) {
49*479ab7f0SSascha Wildner 		errno = EOPNOTSUPP;
50*479ab7f0SSascha Wildner 		return (-1);
51*479ab7f0SSascha Wildner 	}
52*479ab7f0SSascha Wildner 
53*479ab7f0SSascha Wildner 	errno = (f->f_ops->fo_stat)(f, sb);
54*479ab7f0SSascha Wildner 	return (0);
55*479ab7f0SSascha Wildner }
56