projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /* |
| 2 | * Written by Paul Popelka (paulp@uts.amdahl.com) | |
| 3 | * | |
| 4 | * You can do anything you want with this software, | |
| 5 | * just don't say you wrote it, | |
| 6 | * and don't remove this notice. | |
| 7 | * | |
| 8 | * This software is provided "as is". | |
| 9 | * | |
| 10 | * The author supplies this software to be publicly | |
| 11 | * redistributed on the understanding that the author | |
| 12 | * is not responsible for the correct functioning of | |
| 13 | * this software in any circumstances and is not liable | |
| 14 | * for any damages caused by this software. | |
| 15 | * | |
| 16 | * October 1992 | |
| 17 | * | |
| 78ed81a3 | 18 | * $Id$ |
| 15637ed4 RG |
19 | */ |
| 20 | ||
| 21 | /* | |
| 22 | * Structure of a dos directory entry. | |
| 23 | */ | |
| 24 | struct direntry { | |
| 25 | u_char deName[8]; /* filename, blank filled */ | |
| 26 | #define SLOT_EMPTY 0x00 /* slot has never been used */ | |
| 27 | #define SLOT_E5 0x05 /* the real value is 0xe5 */ | |
| 28 | #define SLOT_DELETED 0xe5 /* file in this slot deleted */ | |
| 29 | u_char deExtension[3]; /* extension, blank filled */ | |
| 30 | u_char deAttributes; /* file attributes */ | |
| 31 | #define ATTR_NORMAL 0x00 /* normal file */ | |
| 32 | #define ATTR_READONLY 0x01 /* file is readonly */ | |
| 33 | #define ATTR_HIDDEN 0x02 /* file is hidden */ | |
| 34 | #define ATTR_SYSTEM 0x04 /* file is a system file */ | |
| 35 | #define ATTR_VOLUME 0x08 /* entry is a volume label */ | |
| 36 | #define ATTR_DIRECTORY 0x10 /* entry is a directory name */ | |
| 37 | #define ATTR_ARCHIVE 0x20 /* file is new or modified */ | |
| 38 | char deReserved[10]; /* reserved */ | |
| 39 | u_short deTime; /* create/last update time */ | |
| 40 | u_short deDate; /* create/last update date */ | |
| 41 | u_short deStartCluster; /* starting cluster of file */ | |
| 42 | u_long deFileSize; /* size of file in bytes */ | |
| 43 | }; | |
| 44 | ||
| 45 | /* | |
| 46 | * This is the format of the contents of the deTime | |
| 47 | * field in the direntry structure. | |
| 48 | */ | |
| 49 | struct DOStime { | |
| 50 | u_short | |
| 51 | dt_2seconds:5, /* seconds divided by 2 */ | |
| 52 | dt_minutes:6, /* minutes */ | |
| 53 | dt_hours:5; /* hours */ | |
| 54 | }; | |
| 55 | ||
| 56 | /* | |
| 57 | * This is the format of the contents of the deDate | |
| 58 | * field in the direntry structure. | |
| 59 | */ | |
| 60 | struct DOSdate { | |
| 61 | u_short | |
| 62 | dd_day:5, /* day of month */ | |
| 63 | dd_month:4, /* month */ | |
| 64 | dd_year:7; /* years since 1980 */ | |
| 65 | }; | |
| 66 | ||
| 67 | union dostime { | |
| 68 | struct DOStime dts; | |
| 69 | u_short dti; | |
| 70 | }; | |
| 71 | ||
| 72 | union dosdate { | |
| 73 | struct DOSdate dds; | |
| 74 | u_short ddi; | |
| 75 | }; | |
| 76 | ||
| 77 | /* | |
| 78 | * The following defines are used to rename fields in | |
| 79 | * the ufs_specific structure in the nameidata structure | |
| 80 | * in namei.h | |
| 81 | */ | |
| 82 | #define ni_pcfs ni_ufs | |
| 83 | #define pcfs_count ufs_count | |
| 84 | #define pcfs_offset ufs_offset | |
| 85 | #define pcfs_cluster ufs_ino | |
| 86 | ||
| 87 | #if defined(KERNEL) | |
| 88 | void unix2dostime __P((struct timeval *tvp, | |
| 89 | union dosdate *ddp, | |
| 90 | union dostime *dtp)); | |
| 91 | void dos2unixtime __P((union dosdate *ddp, | |
| 92 | union dostime *dtp, | |
| 93 | struct timeval *tvp)); | |
| 94 | int dos2unixfn __P((u_char dn[11], u_char *un)); | |
| 95 | void unix2dosfn __P((u_char *un, u_char dn[11], int unlen)); | |
| 96 | #endif /* defined(KERNEL) */ |