108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/* $NetBSD: dtfs.h,v 1.8 2007/01/06 18:25:19 pooka Exp $ */
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/*
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* Copyright (c) 2006 Antti Kantee. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef DTFS_H_
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#define DTFS_H_
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#include <sys/types.h>
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#include <puffs.h>
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PUFFSOP_PROTOS(dtfs);
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int dtfs_domount(struct puffs_usermount *);
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struct dtfs_mount {
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ino_t dtm_nextfileid; /* running number for file id */
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size_t dtm_fsizes; /* sum of file sizes in bytes */
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fsfilcnt_t dtm_nfiles; /* number of files */
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};
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struct dtfs_file {
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union {
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struct {
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uint8_t *data;
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size_t datalen;
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} reg;
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struct {
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struct puffs_node *dotdot;
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LIST_HEAD(, dtfs_dirent) dirents;
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} dir;
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struct {
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char *target;
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} link;
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struct {
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dev_t rdev;
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} dev;
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} u;
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#define df_data u.reg.data
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#define df_datalen u.reg.datalen
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#define df_dotdot u.dir.dotdot
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#define df_dirents u.dir.dirents
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#define df_linktarget u.link.target
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#define df_rdev u.dev.rdev
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};
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struct dtfs_dirent {
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struct puffs_node *dfd_node;
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struct puffs_node *dfd_parent;
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char *dfd_name;
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LIST_ENTRY(dtfs_dirent) dfd_entries;
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};
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struct dtfs_fs {
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size_t dtfs_size;
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};
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struct puffs_node * dtfs_genfile(struct puffs_node *, const char *,
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enum vtype);
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struct dtfs_file * dtfs_newdir(void);
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struct dtfs_file * dtfs_newfile(void);
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struct dtfs_dirent * dtfs_dirgetnth(struct dtfs_file *, int);
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struct dtfs_dirent * dtfs_dirgetbyname(struct dtfs_file *, const char *);
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void dtfs_nukenode(struct puffs_node *, struct puffs_node *,
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const char *);
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void dtfs_freenode(struct puffs_node *);
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void dtfs_setsize(struct puffs_node *, off_t, int);
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void dtfs_adddent(struct puffs_node *, struct dtfs_dirent *);
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void dtfs_removedent(struct puffs_node *, struct dtfs_dirent *);
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void dtfs_baseattrs(struct vattr *, enum vtype, ino_t);
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void dtfs_updatetimes(struct puffs_node *, int, int, int);
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#define DTFS_CTOF(a) ((struct dtfs_file *)(((struct puffs_node *)a)->pn_data))
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#define DTFS_PTOF(a) ((struct dtfs_file *)(a->pn_data))
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#endif /* DTFS_H_ */
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