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/*
* Copyright (C) 2003 Serge van den Boom
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
* Nota bene: later versions of the GNU General Public License do not apply
* to this program.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef LIBS_UIO_FSTYPES_H_
#define LIBS_UIO_FSTYPES_H_
typedef int uio_FileSystemID;
#define uio_FSTYPE_STDIO 1
#define uio_FSTYPE_ZIP 2
#ifdef uio_INTERNAL
#define uio_FS_FIRST_CUSTOM_ID 0x10
#ifndef uio_INTERNAL_PHYSICAL
typedef void *uio_NativeHandle;
#endif
// 'forward' declarations
typedef struct uio_FileSystemHandler uio_FileSystemHandler;
typedef struct uio_FileSystemInfo uio_FileSystemInfo;
#include <sys/stat.h>
#include <sys/types.h>
#include "physical.h"
#include "uioport.h"
/* Structure describing how to access files _in_ a directory of a certain
* type (not files _of_ a certain type.) Except for mount().
* in open(), the first arg points to the dir where the file should be
* in, and the second arg is the name of that file (no path)
*/
struct uio_FileSystemHandler {
int (*init) (void);
int (*unInit) (void);
void (*cleanup) (uio_PRoot *, int);
// Called to cleanup memory. The second argument specifies
// how thoroughly.
struct uio_PRoot * (*mount) (uio_Handle *, int);
int (*umount) (uio_PRoot *);
int (*access) (uio_PDirHandle *, const char *, int mode);
void (*close) (uio_Handle *);
// called when the last reference is closed, not
// necessarilly each time when uio_close() is called
int (*fstat) (uio_Handle *, struct stat *);
int (*stat) (uio_PDirHandle *, const char *,
struct stat *);
uio_PDirHandle * (*mkdir) (uio_PDirHandle *, const char *, mode_t);
uio_Handle * (*open) (uio_PDirHandle *, const char *, int,
mode_t);
ssize_t (*read) (uio_Handle *, void *, size_t);
int (*rename) (uio_PDirHandle *, const char *,
uio_PDirHandle *, const char *);
int (*rmdir) (uio_PDirHandle *, const char *);
off_t (*seek) (uio_Handle *, off_t, int);
ssize_t (*write) (uio_Handle *, const void *, size_t);
int (*unlink) (uio_PDirHandle *, const char *);
uio_NativeEntriesContext (*openEntries) (uio_PDirHandle *);
int (*readEntries) (uio_NativeEntriesContext *, char *,
size_t);
void (*closeEntries) (uio_NativeEntriesContext);
uio_PDirEntryHandle * (*getPDirEntryHandle) (
const uio_PDirHandle *, const char *);
void (*deletePRootExtra) (uio_PRootExtra pRootExtra);
void (*deletePDirHandleExtra) (
uio_PDirHandleExtra pDirHandleExtra);
void (*deletePFileHandleExtra) (
uio_PFileHandleExtra pFileHandleExtra);
};
struct uio_FileSystemInfo {
int ref;
uio_FileSystemID id;
char *name; // name of the file system
uio_FileSystemHandler *handler;
struct uio_FileSystemInfo *next;
};
void uio_registerDefaultFileSystems(void);
void uio_unRegisterDefaultFileSystems(void);
uio_FileSystemID uio_registerFileSystem(uio_FileSystemID wantedID,
const char *name, uio_FileSystemHandler *handler);
int uio_unRegisterFileSystem(uio_FileSystemID id);
uio_FileSystemHandler *uio_getFileSystemHandler(uio_FileSystemID id);
uio_FileSystemInfo *uio_getFileSystemInfo(uio_FileSystemID id);
#endif /* uio_INTERNAL */
#endif /* LIBS_UIO_FSTYPES_H_ */
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