/*
* Copyright � 2007 Alistair Crooks. All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 FUSE_TREE_H_
#define FUSE_TREE_H_ 20070405
#include <sys/types.h>
#include <sys/stat.h>
#include <fuse.h>
#include "defs.h"
/* this struct keeps a note of all the info related to a virtual directory entry */
typedef struct virt_dirent_t {
char *name; /* entry name - used as key */
size_t namelen; /* length of name */
char *d_name; /* component in this directory */
char *tgt; /* any symlink target */
size_t tgtlen; /* length of symlink target */
uint8_t type; /* entry type - file, dir, lnk */
ino_t ino; /* inode number */
} virt_dirent_t;
/* this defines the list of virtual directory entries,
sorted in name alpha order */
typedef struct virtdir_t {
uint32_t c; /* count of entries */
uint32_t size; /* size of allocated list */
virt_dirent_t *v; /* list */
char *rootdir; /* root directory of virtual fs */
struct stat file; /* stat struct for file entries */
struct stat dir; /* stat struct for dir entries */
struct stat lnk; /* stat struct for symlinks */
} virtdir_t;
/* this struct is used to walk through directories */
typedef struct VIRTDIR {
char *dirname; /* directory name */
int dirnamelen; /* length of directory name */
virtdir_t *tp; /* the directory tree */
int i; /* current offset in dir tree */
} VIRTDIR;
int virtdir_init(virtdir_t *, const char *, struct stat *, struct stat *, struct stat *);
int virtdir_add(virtdir_t *, const char *, size_t, uint8_t, const char *, size_t);
int virtdir_del(virtdir_t *, const char *, size_t);
virt_dirent_t *virtdir_find(virtdir_t *, const char *, size_t);
virt_dirent_t *virtdir_find_tgt(virtdir_t *, const char *, size_t);
void virtdir_drop(virtdir_t *);
char *virtdir_rootdir(virtdir_t *);
