diff options
Diffstat (limited to 'src/libs/uio/fstypes.h')
| -rw-r--r-- | src/libs/uio/fstypes.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/libs/uio/fstypes.h b/src/libs/uio/fstypes.h new file mode 100644 index 0000000..3ff01a2 --- /dev/null +++ b/src/libs/uio/fstypes.h @@ -0,0 +1,113 @@ +/* + * 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_ */ + |