dos33fsprogs/dos33fs-linux2.4/dos33_fs.h

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/*****************************************************************************
* prodos/prodos_fs.h
* Includes, definitions, and helpers pertaining to the ProDOS filesystem
* implementation.
*
* Apple II ProDOS Filesystem Driver for Linux 2.4.x
* Copyright (c) 2001 Matt Jensen.
* This program is free software distributed under the terms of the GPL.
*
* 18-May-2001: Created
*****************************************************************************/
#ifndef __DOS33_DOS33_FS_H
#define __DOS33_DOS33_FS_H
/*= Preprocessor Constants ==================================================*/
/* Block size. */
#define DOS33_BLOCK_SIZE 0x200
#define DOS33_BLOCK_SIZE_BITS 9 /* log base-2 of PRODOS_BLOCK_SIZE */
/* Number of entries per directory block. */
#define DOS33_DIR_ENTS_PER_BLOCK 7
/* Various limits and maximums. */
#define DOS33_MAX_NAME_LEN 0x1e
#define DOS33_MAX_FILE_SIZE 0x00ffffff
#define DOS33_SUPER_MAGIC 0x02131978
#define DOS33_VOLUME_DIR_BLOCK (0x11*0x10)
#define DOS33_VOLUME_DIR_TRACK 0x11
#define DOS33_VOLUME_DIR_SECTOR 0x00
#define TWO_BYTES_TO_SHORT(__x,__y) ((((int)__y)<<8)+__x)
#if (DEBUG_LEVEL==1)
#define DOS33_DEBUG printk
#else
#define DOS33_DEBUG if (0) printk
#endif
#define DOS33_ERROR printk
#endif