4 * \brief Header: VFS implemntation (?)
17 /* Flags of VFS classes */
18 #define VFSF_LOCAL 1 /* Class is local (not virtual) filesystem */
19 #define VFSF_NOLINKS 2 /* Hard links not supported */
22 * This is the type of callback function passed to vfs_fill_names.
23 * It gets the name of the virtual file system as its first argument.
27 typedef void (*fill_names_f
) (const char *);
30 struct vfs_class
*next
;
31 const char *name
; /* "FIles over SHell" */
33 const char *prefix
; /* "fish:" */
34 void *data
; /* this is for filesystem's own use */
35 int verrno
; /* can't use errno because glibc2 might define errno as function */
37 int (*init
) (struct vfs_class
*me
);
38 void (*done
) (struct vfs_class
*me
);
41 * The fill_names method shall call the callback function for every
42 * filesystem name that this vfs module supports.
44 void (*fill_names
) (struct vfs_class
*me
, fill_names_f
);
47 * The which() method shall return the index of the vfs subsystem
48 * or -1 if this vfs cannot handle the given pathname.
50 int (*which
) (struct vfs_class
*me
, const char *path
);
52 void *(*open
) (struct vfs_class
*me
, const char *fname
, int flags
,
54 int (*close
) (void *vfs_info
);
55 ssize_t (*read
) (void *vfs_info
, char *buffer
, int count
);
56 ssize_t (*write
) (void *vfs_info
, const char *buf
, int count
);
58 void *(*opendir
) (struct vfs_class
*me
, const char *dirname
);
59 void *(*readdir
) (void *vfs_info
);
60 int (*closedir
) (void *vfs_info
);
62 int (*stat
) (struct vfs_class
*me
, const char *path
, struct stat
* buf
);
63 int (*lstat
) (struct vfs_class
*me
, const char *path
, struct stat
* buf
);
64 int (*fstat
) (void *vfs_info
, struct stat
* buf
);
66 int (*chmod
) (struct vfs_class
*me
, const char *path
, int mode
);
67 int (*chown
) (struct vfs_class
*me
, const char *path
, int owner
, int group
);
68 int (*utime
) (struct vfs_class
*me
, const char *path
,
69 struct utimbuf
* times
);
71 int (*readlink
) (struct vfs_class
*me
, const char *path
, char *buf
,
73 int (*symlink
) (struct vfs_class
*me
, const char *n1
, const char *n2
);
74 int (*link
) (struct vfs_class
*me
, const char *p1
, const char *p2
);
75 int (*unlink
) (struct vfs_class
*me
, const char *path
);
76 int (*rename
) (struct vfs_class
*me
, const char *p1
, const char *p2
);
77 int (*chdir
) (struct vfs_class
*me
, const char *path
);
78 int (*ferrno
) (struct vfs_class
*me
);
79 off_t (*lseek
) (void *vfs_info
, off_t offset
, int whence
);
80 int (*mknod
) (struct vfs_class
*me
, const char *path
, int mode
, int dev
);
82 vfsid (*getid
) (struct vfs_class
*me
, const char *path
);
84 int (*nothingisopen
) (vfsid id
);
85 void (*free
) (vfsid id
);
87 char *(*getlocalcopy
) (struct vfs_class
*me
, const char *filename
);
88 int (*ungetlocalcopy
) (struct vfs_class
*me
, const char *filename
,
89 const char *local
, int has_changed
);
91 int (*mkdir
) (struct vfs_class
*me
, const char *path
, mode_t mode
);
92 int (*rmdir
) (struct vfs_class
*me
, const char *path
);
94 int (*ctl
) (void *vfs_info
, int ctlop
, void *arg
);
95 int (*setctl
) (struct vfs_class
*me
, const char *path
, int ctlop
,
100 * This union is used to ensure that there is enough space for the
101 * filename (d_name) when the dirent structure is created.
105 char _extra_buffer
[offsetof(struct dirent
, d_name
) + MC_MAXPATHLEN
+ 1];
108 /* Register a file system class */
109 int vfs_register_class (struct vfs_class
*vfs
);
112 /* Interface for requesting SMB credentials. */
113 struct smb_authinfo
{
121 struct smb_authinfo
*vfs_smb_get_authinfo (const char *host
,
125 #endif /* WITH_SMBFS */
127 struct vfs_class
*vfs_get_class (const char *path
);
128 struct vfs_class
*vfs_split (char *path
, char **inpath
, char **op
);
129 char *vfs_path (const char *path
);
130 int vfs_file_class_flags (const char *filename
);
132 void vfs_fill_names (fill_names_f
);
133 char *vfs_translate_url (const char *);
136 extern int use_netrc
;
139 void init_cpiofs (void);
140 void init_extfs (void);
141 void init_fish (void);
142 void init_sfs (void);
143 void init_tarfs (void);
144 void init_undelfs (void);
148 #endif /* MC_VFS_IMPL_H */