75 lines
2.5 KiB
PHP
75 lines
2.5 KiB
PHP
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;** Break <Directory entry>
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; NOTE: These offsets are also used in the DTA for
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; extended FCB SearchFirst/Next. DIR_NAME lines up
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; with the FCB filename field, and the rest of the
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; DIR_ENTRY fields follow. -DavidOls
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;** DIRENT.INC - FAT Directory Entry Definition
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;
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; +---------------------------+
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; | (12 BYTE) filename/ext | 0 0
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; +---------------------------+
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; | (BYTE) attributes | 11 B
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; +---------------------------+
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; | (10 BYTE) reserved | 12 C
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; +---------------------------+
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; | (WORD) time of last write | 22 16
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; +---------------------------+
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; | (WORD) date of last write | 24 18
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; +---------------------------+
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; | (WORD) First cluster | 26 1A
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; +---------------------------+
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; | (DWORD) file size | 28 1C
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; +---------------------------+
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;
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; First byte of filename = E5 -> free directory entry
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; = 00 -> end of allocated directory
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; Time: Bits 0-4=seconds/2, bits 5-10=minute, 11-15=hour
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; Date: Bits 0-4=day, bits 5-8=month, bits 9-15=year-1980
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;
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DIR_ENTRY STRUC
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DIR_NAME db 11 DUP (?) ; file name
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DIR_ATTR db ? ; attribute bits
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DIR_CODEPG dw ? ; code page DOS 4.00
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DIR_EXTCLUSTER dw ? ; extended attribute starting cluster
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DIR_ATTR2 db ? ; reserved
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DIR_PAD db 5 DUP (?) ; reserved for expansion
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DIR_TIME dw ? ; time of last write
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DIR_DATE dw ? ; date of last write
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DIR_FIRST dw ? ; first allocation unit of file
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DIR_SIZE_L dw ? ; low 16 bits of file size
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DIR_SIZE_H dw ? ; high 16 bits of file size
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; Caution: An extended FCB SearchFirst/Next on a network
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; drive under Novell Netware 286 or 386 returns the time/date
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; in the SIZE fields for subdirectory files. Ordinarily,
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; this field is zero for subdirectory files.
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DIR_ENTRY ENDS
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ATTR_READ_ONLY equ 1h
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ATTR_HIDDEN equ 2h
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ATTR_SYSTEM equ 4h
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ATTR_VOLUME_ID equ 8h
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ATTR_DIRECTORY equ 10h
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ATTR_ARCHIVE equ 20h
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ATTR_DEVICE equ 40h ; This is a VERY special bit.
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; NO directory entry on a disk EVER
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; has this bit set. It is set non-zero
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; when a device is found by GETPATH
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ATTR_ALL equ attr_hidden+attr_system+attr_directory
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; OR of hard attributes for FINDENTRY
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ATTR_IGNORE equ attr_read_only+attr_archive+attr_device
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; ignore this(ese) attribute(s) during
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; search first/next
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ATTR_CHANGEABLE equ attr_read_only+attr_hidden+attr_system+attr_archive
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; changeable via CHMOD
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DIRFREE equ 0E5h ; stored in dir_name[0] to indicate free slot
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