82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/* $NetBSD: direntry.h,v 1.4 1994/06/29 06:35:31 cgd Exp $ */
|
|
|
|
/*
|
|
* Written by Paul Popelka (paulp@uts.amdahl.com)
|
|
*
|
|
* You can do anything you want with this software, just don't say you wrote
|
|
* it, and don't remove this notice.
|
|
*
|
|
* This software is provided "as is".
|
|
*
|
|
* The author supplies this software to be publicly redistributed on the
|
|
* understanding that the author is not responsible for the correct
|
|
* functioning of this software in any circumstances and is not liable for
|
|
* any damages caused by this software.
|
|
*
|
|
* October 1992
|
|
*/
|
|
|
|
/*
|
|
* Structure of a dos directory entry.
|
|
*/
|
|
struct direntry {
|
|
u_char deName[8]; /* filename, blank filled */
|
|
#define SLOT_EMPTY 0x00 /* slot has never been used */
|
|
#define SLOT_E5 0x05 /* the real value is 0xe5 */
|
|
#define SLOT_DELETED 0xe5 /* file in this slot deleted */
|
|
u_char deExtension[3]; /* extension, blank filled */
|
|
u_char deAttributes; /* file attributes */
|
|
#define ATTR_NORMAL 0x00 /* normal file */
|
|
#define ATTR_READONLY 0x01 /* file is readonly */
|
|
#define ATTR_HIDDEN 0x02 /* file is hidden */
|
|
#define ATTR_SYSTEM 0x04 /* file is a system file */
|
|
#define ATTR_VOLUME 0x08 /* entry is a volume label */
|
|
#define ATTR_DIRECTORY 0x10 /* entry is a directory name */
|
|
#define ATTR_ARCHIVE 0x20 /* file is new or modified */
|
|
u_char deReserved[10]; /* reserved */
|
|
u_char deTime[2]; /* create/last update time */
|
|
u_char deDate[2]; /* create/last update date */
|
|
u_char deStartCluster[2]; /* starting cluster of file */
|
|
u_char deFileSize[4]; /* size of file in bytes */
|
|
};
|
|
|
|
/*
|
|
* This is the format of the contents of the deTime field in the direntry
|
|
* structure.
|
|
* We don't use bitfields because we don't know how compilers for
|
|
* arbitrary machines will lay them out.
|
|
*/
|
|
#define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */
|
|
#define DT_2SECONDS_SHIFT 0
|
|
#define DT_MINUTES_MASK 0x7E0 /* minutes */
|
|
#define DT_MINUTES_SHIFT 5
|
|
#define DT_HOURS_MASK 0xF800 /* hours */
|
|
#define DT_HOURS_SHIFT 11
|
|
|
|
/*
|
|
* This is the format of the contents of the deDate field in the direntry
|
|
* structure.
|
|
*/
|
|
#define DD_DAY_MASK 0x1F /* day of month */
|
|
#define DD_DAY_SHIFT 0
|
|
#define DD_MONTH_MASK 0x1E0 /* month */
|
|
#define DD_MONTH_SHIFT 5
|
|
#define DD_YEAR_MASK 0xFE00 /* year - 1980 */
|
|
#define DD_YEAR_SHIFT 9
|
|
|
|
/*
|
|
* The following defines are used to rename fields in the ufs_specific
|
|
* structure in the nameidata structure in namei.h
|
|
*/
|
|
#define ni_msdosfs ni_ufs
|
|
#define msdosfs_count ufs_count
|
|
#define msdosfs_offset ufs_offset
|
|
#define msdosfs_cluster ufs_ino
|
|
|
|
#if defined(KERNEL)
|
|
void unix2dostime __P((struct timespec * tsp, u_short * ddp, u_short * dtp));
|
|
void dos2unixtime __P((u_short dd, u_short dt, struct timespec * tsp));
|
|
int dos2unixfn __P((u_char dn[11], u_char * un));
|
|
void unix2dosfn __P((u_char * un, u_char dn[11], int unlen));
|
|
#endif /* defined(KERNEL) */
|