90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
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/*
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* Written by Paul Popelka (paulp@uts.amdahl.com)
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*
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* You can do anything you want with this software, just don't say you wrote
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* it, and don't remove this notice.
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*
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* This software is provided "as is".
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*
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* The author supplies this software to be publicly redistributed on the
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* understanding that the author is not responsible for the correct
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* functioning of this software in any circumstances and is not liable for
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* any damages caused by this software.
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*
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* October 1992
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*
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* $Id: direntry.h,v 1.1 1993/08/13 11:35:32 cgd Exp $
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*/
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/*
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* Structure of a dos directory entry.
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*/
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struct direntry {
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u_char deName[8]; /* filename, blank filled */
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#define SLOT_EMPTY 0x00 /* slot has never been used */
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#define SLOT_E5 0x05 /* the real value is 0xe5 */
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#define SLOT_DELETED 0xe5 /* file in this slot deleted */
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u_char deExtension[3]; /* extension, blank filled */
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u_char deAttributes; /* file attributes */
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#define ATTR_NORMAL 0x00 /* normal file */
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#define ATTR_READONLY 0x01 /* file is readonly */
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#define ATTR_HIDDEN 0x02 /* file is hidden */
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#define ATTR_SYSTEM 0x04 /* file is a system file */
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#define ATTR_VOLUME 0x08 /* entry is a volume label */
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#define ATTR_DIRECTORY 0x10 /* entry is a directory name */
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#define ATTR_ARCHIVE 0x20 /* file is new or modified */
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char deReserved[10]; /* reserved */
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u_short deTime; /* create/last update time */
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u_short deDate; /* create/last update date */
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u_short deStartCluster; /* starting cluster of file */
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u_long deFileSize; /* size of file in bytes */
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};
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/*
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* This is the format of the contents of the deTime field in the direntry
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* structure.
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*/
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struct DOStime {
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u_short
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dt_2seconds:5, /* seconds divided by 2 */
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dt_minutes:6, /* minutes */
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dt_hours:5; /* hours */
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};
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/*
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* This is the format of the contents of the deDate field in the direntry
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* structure.
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*/
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struct DOSdate {
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u_short
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dd_day:5, /* day of month */
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dd_month:4, /* month */
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dd_year:7; /* years since 1980 */
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};
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union dostime {
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struct DOStime dts;
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u_short dti;
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};
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union dosdate {
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struct DOSdate dds;
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u_short ddi;
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};
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/*
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* The following defines are used to rename fields in the ufs_specific
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* structure in the nameidata structure in namei.h
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*/
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#define ni_msdosfs ni_ufs
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#define msdosfs_count ufs_count
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#define msdosfs_offset ufs_offset
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#define msdosfs_cluster ufs_ino
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#if defined(KERNEL)
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void unix2dostime __P((struct timeval * tvp, union dosdate * ddp, union dostime * dtp));
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void dos2unixtime __P((union dosdate * ddp, union dostime * dtp, struct timeval * tvp));
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int dos2unixfn __P((u_char dn[11], u_char * un));
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void unix2dosfn __P((u_char * un, u_char dn[11], int unlen));
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#endif /* defined(KERNEL) */
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