home *** CD-ROM | disk | FTP | other *** search
- #ifndef __VFS_H
- #define __VFS_H
-
- #ifdef USE_VFS
-
- #ifdef HAVE_MMAP
- #include <sys/mman.h>
- #endif
-
- #include <sys/time.h>
-
- /* Our virtual file system layer */
-
- typedef void * vfsid;
-
- struct vfs_stamping;
-
- typedef struct {
- void *(*open)(char *fname, int flags, int mode);
- int (*close)(void *vfs_info);
- int (*read)(void *vfs_info, char *buffer, int count);
- int (*write)(void *vfs_info, char *buf, int count);
-
- void *(*opendir)(char *dirname);
- void *(*readdir)(void *vfs_info);
- int (*closedir)(void *vfs_info);
-
- int (*stat)(char *path, struct stat *buf);
- int (*lstat)(char *path, struct stat *buf);
- int (*fstat)(void *vfs_info, struct stat *buf);
-
- int (*chmod)(char *path, int mode);
- int (*chown)(char *path, int owner, int group);
-
- int (*readlink)(char *path, char *buf, int size);
- int (*symlink)(char *n1, char *n2);
- int (*link)(char *p1, char *p2);
- int (*unlink)(char *path);
- int (*rename)(char *p1, char *p2);
- int (*chdir)(char *path);
- int (*ferrno)(void);
- int (*lseek)(void *vfs_info, off_t offset, int whence);
- int (*mknod)(char *path, int mode, int dev);
-
- vfsid (*getid)(char *path, struct vfs_stamping **parent);
- int (*nothingisopen)(vfsid id);
- void (*free)(vfsid id);
-
- char *(*getlocalcopy)(char *filename);
- void (*ungetlocalcopy)(char *filename, char *local, int has_changed);
-
- int (*mkdir)(char *path, mode_t mode);
- int (*rmdir)(char *path);
-
- int (*ctl)(void *vfs_info, int ctlop, int arg);
- int (*setctl)(char *path, int ctlop, char *arg);
- #ifdef HAVE_MMAP
- caddr_t (*mmap)(caddr_t addr, size_t len, int prot, int flags, void *vfs_info, off_t offset);
- int (*munmap)(caddr_t addr, size_t len, void *vfs_info);
- #endif
- } vfs;
-
- /* Other file systems */
- extern vfs local_vfs_ops;
- extern vfs tarfs_vfs_ops;
-
- extern vfs ftpfs_vfs_ops;
- extern vfs mcfs_vfs_ops;
-
- extern vfs extfs_vfs_ops;
-
- extern vfs undelfs_vfs_ops;
-
- struct vfs_stamping {
- vfs *v;
- vfsid id;
- struct vfs_stamping *parent; /* At the moment applies to tarfs only */
- struct vfs_stamping *next;
- struct timeval time;
- };
-
- void vfs_init (void);
- void vfs_shut (void);
-
- extern int vfs_type_absolute;
- vfs *vfs_type (char *path);
- char *vfs_path (char *path);
- char *vfs_canon (char *path);
- char *mc_get_current_wd (char *buffer, int bufsize);
- int vfs_current_is_local (void);
- int vfs_current_is_extfs (void);
- int vfs_file_is_local (char *name);
- char *vfs_get_current_dir (void);
-
- void vfs_stamp (vfs *, vfsid);
- void vfs_rmstamp (vfs *, vfsid, int);
- void vfs_addstamp (vfs *, vfsid, struct vfs_stamping *);
- void vfs_add_noncurrent_stamps (vfs *, vfsid, struct vfs_stamping *);
- void vfs_add_current_stamps (void);
- void vfs_free_resources(char *path);
- void vfs_timeout_handler ();
- int vfs_timeouts ();
-
- void vfs_fill_names (void (*)(char *));
-
- /* Required for the vfs_canon routine */
- char *tarfs_analysis (char *inname, char **archive, int is_dir);
-
- void ftpfs_init(void);
- void ftpfs_done(void);
- #ifdef USE_NETCODE
- void ftpfs_hint_reread(int reread);
- void ftpfs_flushdir(void);
- #else
- # define ftpfs_flushdir()
- # define ftpfs_hint_reread(x)
- #endif
- /* They fill the file system names */
- void mcfs_fill_names (void (*)(char *));
- void ftpfs_fill_names (void (*)(char *));
- void tarfs_fill_names (void (*)(char *));
-
- char *ftpfs_gethome (char *);
- char *mcfs_gethome (char *);
-
- char *ftpfs_getupdir (char *);
- char *mcfs_getupdir (char *);
-
- /* Only the routines outside of the VFS module need the emulation macros */
-
- int mc_open (char *file, int flags, ...);
- int mc_close (int handle);
- int mc_read (int handle, char *buffer, int count);
- int mc_write (int hanlde, char *buffer, int count);
- off_t mc_lseek (int fd, off_t offset, int whence);
- int mc_chdir (char *);
-
- DIR *mc_opendir (char *dirname);
- struct dirent *mc_readdir(DIR *dirp);
- int mc_closedir (DIR *dir);
-
- int mc_stat (char *path, struct stat *buf);
- int mc_lstat (char *path, struct stat *buf);
- int mc_fstat (int fd, struct stat *buf);
-
- int mc_chmod (char *path, int mode);
- int mc_chown (char *path, int owner, int group);
- int mc_readlink(char *path, char *buf, int bufsiz);
- int mc_unlink (char *path);
- int mc_symlink (char *name1, char *name2);
- int mc_link (char *name1, char *name2);
- int mc_mknod (char *, int, int);
- int mc_rename (char *original, char *target);
- int mc_write (int fd, char *buf, int nbyte);
- int mc_rmdir (char *path);
- int mc_mkdir (char *path, mode_t mode);
- char *mc_getlocalcopy (char *filename);
- void mc_ungetlocalcopy (char *filename, char *local, int has_changed);
- char *mc_def_getlocalcopy (char *filename);
- void mc_def_ungetlocalcopy (char *filename, char *local, int has_changed);
- int mc_ctl (int fd, int ctlop, int arg);
- int mc_setctl (char *path, int ctlop, char *arg);
- #ifdef HAVE_MMAP
- caddr_t mc_mmap (caddr_t, size_t, int, int, int, off_t);
- int mc_unmap (caddr_t, size_t);
- int mc_munmap (caddr_t addr, size_t len);
- #endif /* HAVE_MMAP */
-
- #else
-
- # define vfs_fill_names(x)
- # define vfs_add_current_stamps()
- # define vfs_current_is_local() 1
- # define vfs_file_is_local(x) 1
- # define vfs_path(x) x
- # define mc_open open
- # define mc_close close
- # define mc_read read
- # define mc_write write
- # define mc_lseek lseek
- # define mc_opendir opendir
- # define mc_readdir readdir
- # define mc_closedir closedir
-
- # define mc_get_current_wd(x,size) get_current_wd (x, size)
- # define mc_fstat fstat
- # define mc_lstat lstat
-
- # define mc_chmod chmod
- # define mc_chown chown
- # define mc_readlink readlink
- # define mc_unlink unlink
- # define mc_symlink symlink
- # define mc_rename rename
- # define mc_chdir chdir
-
- # define mc_mmap mmap
- # define mc_munmap munmap
-
- # define mc_ctl 0
- # define mc_setctl(a,b,c)
-
- # define mc_stat stat
- # define mc_mknod mknod
- # define mc_link link
- # define mc_mkdir mkdir
- # define mc_rmdir rmdir
- # define is_special_prefix(x) 0
- # define vfs_type(x) (vfs *)(NULL)
- # define vfs_setup_wd()
- # define vfs_init()
- # define vfs_shut()
- # define vfs_canon(p) strdup (canonicalize_pathname(p))
- # define vfs_free_resources()
- # define vfs_timeout_handler()
- # define vfs_timeouts() 0
-
- typedef int vfs;
-
- # define mc_getlocalcopy(x) NULL
- # define mc_ungetlocalcopy(x,y,z)
-
- # define ftpfs_hint_reread(x)
- # define ftpfs_flushdir()
- #endif /* USE_VFS */
-
- #define mc_errno errno
-
- #ifdef WANT_PARSE_LS_LGA
- int parse_ls_lga (char *p, struct stat *s, char **filename, char **linkname);
- #endif
-
- #define MCCTL_SETREMOTECOPY 0
- #define MCCTL_ISREMOTECOPY 1
- #define MCCTL_REMOTECOPYCHUNK 2
- #define MCCTL_FINISHREMOTE 3
- #define MCCTL_FLUSHDIR 4
-
- /* Return codes from the ${fs}_ctl routine */
-
- #define MCERR_TARGETOPEN -1
- /* Can't open target file */
- #define MCERR_READ -2
- /* Read error on source file */
- #define MCERR_WRITE -3
- /* Write error on target file */
- #define MCERR_FINISH -4
- /* Finished transfer */
- #define MCERR_DATA_ON_STDIN -5
- /* Data waiting on stdin to be processed */
-
- #endif /* __VFS_H */
-
-