1 /* $NetBSD: write.c,v 1.7 1996/06/21 20:29:30 pk Exp $ */
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * The Mach Operating System project at Carnegie-Mellon University.
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20 * This product includes software developed by the University of
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24 * without specific prior written permission.
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34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * @(#)write.c 8.1 (Berkeley) 6/11/93
41 * Copyright (c) 1989, 1990, 1991 Carnegie Mellon University
42 * All Rights Reserved.
44 * Author: Alessandro Forin
46 * Permission to use, copy, modify and distribute this software and its
47 * documentation is hereby granted, provided that both the copyright
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52 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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54 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
56 * Carnegie Mellon requests users of this software to return to
58 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
59 * School of Computer Science
60 * Carnegie Mellon University
61 * Pittsburgh PA 15213-3890
63 * any improvements or extensions that they make and grant Carnegie the
64 * rights to redistribute these changes.
67 #include <sys/cdefs.h>
68 __FBSDID("$FreeBSD$");
70 #include <sys/param.h>
74 write(fd, dest, bcount)
79 register struct open_file *f = &files[fd];
82 if ((unsigned)fd >= SOPEN_MAX || !(f->f_flags & F_WRITE)) {
86 if (f->f_flags & F_RAW) {
88 errno = (f->f_dev->dv_strategy)(f->f_devdata, F_WRITE,
89 btodb(f->f_offset), bcount, dest, &resid);
96 if ((errno = (f->f_ops->fo_write)(f, dest, bcount, &resid)))
98 return (bcount - resid);