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[/] [eco32/] [tags/] [eco32-0.22/] [disk/] [tools/] [fs-NetBSD/] [makefs/] [buf.h] - Rev 158
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/* $NetBSD: buf.h,v 1.2 2001/11/02 03:12:49 lukem Exp $ */ /* * Copyright (c) 2001 Wasabi Systems, Inc. * All rights reserved. * * Written by Luke Mewburn for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _FFS_BUF_H #define _FFS_BUF_H #include <sys/param.h> #include <sys/queue.h> struct buf { void * b_data; long b_bufsize; long b_bcount; daddr_t b_blkno; daddr_t b_lblkno; int b_fd; struct fs * b_fs; TAILQ_ENTRY(buf) b_tailq; }; void bcleanup(void); int bread(int, struct fs *, daddr_t, int, struct buf **); void brelse(struct buf *); int bwrite(struct buf *); struct buf * getblk(int, struct fs *, daddr_t, int); #define bdwrite(bp) bwrite(bp) #define clrbuf(bp) memset((bp)->b_data, 0, (u_int)(bp)->b_bcount) #endif /* _FFS_BUF_H */
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