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;;  20.5.2002  Hd status check - VT                                ;;

;;  20.5.2002  Hd status check - VT                                ;;

;;  29.6.2002  Improved fat32 verification - VT                    ;;

;;  29.6.2002  Improved fat32 verification - VT                    ;;

;;                                                                 ;;

;;                                                                 ;;

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$Revision: 3174 $

$Revision: 3598 $

; The only reason to be invalid partition now is FAT12. Since the test for

; The only reason to be invalid partition now is FAT12. Since the test for

; FAT size requires knowledge of some calculated values, which are also used

; FAT size requires knowledge of some calculated values, which are also used

; in the normal operation, let's hope for the best and allocate data now; if

; in the normal operation, let's hope for the best and allocate data now; if

; it will prove wrong, just deallocate it.

; it will prove wrong, just deallocate it.

        push    ebx

        push    ebx

        call    malloc

        call    malloc

        pop     ebx

        pop     ebx

        test    eax, eax

        test    eax, eax

        jz      .return0

        jz      .return0

        mov     ecx, [ebp+8]

        mov     ecx, [ebp+8]

        jz      @f

        jz      @f

        cmp     [fs_type], 1

        cmp     [fs_type], 1

        jz      ntfs_HdReadFolder

        jz      ntfs_HdReadFolder

        cmp     [fs_type], 2

        cmp     [fs_type], 2

        jz      ext2_HdReadFolder

        jz      ext2_HdReadFolder

        or      ebx, -1

        or      ebx, -1

        ret

        ret

@@:

@@:

        sub     ebx, 4

        sub     ebx, 4

        push    ebp

        push    ebp

; we need to save LFN <=> LFN is not equal to short name <=> generated name contains '~'

; we need to save LFN <=> LFN is not equal to short name <=> generated name contains '~'

        mov     al, '~'

        mov     al, '~'

        push    ecx edi

        push    ecx edi

        mov     ecx, 8

        mov     ecx, 8

        repnz scasb

        repnz scasb

        jnz     .notilde

        jnz     .notilde

; we need ceil(strlen(esi)/13) additional entries = floor((strlen(esi)+12+13)/13) total

; we need ceil(strlen(esi)/13) additional entries = floor((strlen(esi)+12+13)/13) total

        xor     eax, eax

        xor     eax, eax

@@:

@@:

        cmp     byte [esi], 0

        cmp     byte [esi], 0

.device_err3:

.device_err3:

        pop     edx

        pop     edx

        jmp     .device_err2

        jmp     .device_err2

.disk_full:

.disk_full:

        pop     eax edx esi

        pop     eax edx esi

        stc

        stc

        ret

        ret

;----------------------------------------------------------------

;----------------------------------------------------------------

        jz      @f

        jz      @f

        cmp     [fs_type], 1

        cmp     [fs_type], 1

        jz      ntfs_HdSetFileEnd

        jz      ntfs_HdSetFileEnd

        cmp     [fs_type], 2

        cmp     [fs_type], 2

        jz      ext2_HdSetFileEnd

        jz      ext2_HdSetFileEnd

        ret

        ret

@@:

@@:

        sub     ebx, 4

        sub     ebx, 4

        push    ebp

        push    ebp

        mov     ebp, [fs_dependent_data_start.partition]

        mov     ebp, [fs_dependent_data_start.partition]

        jnc     @b

        jnc     @b

.device_err3:

.device_err3:

        pop     eax ecx eax edi

        pop     eax ecx eax edi

        call    update_disk

        call    update_disk

        call    fat_unlock

        call    fat_unlock

        ret

        ret

@@:

@@:

; we will zero data at the end of last sector - remember it

; we will zero data at the end of last sector - remember it

        push    ecx

        push    ecx

; terminate FAT chain

; terminate FAT chain

        jmp     .pop_ret

        jmp     .pop_ret

.error_fat2:

.error_fat2:

        pop     eax ecx eax edi

        pop     eax ecx eax edi

        call    update_disk

        call    update_disk

        call    fat_unlock

        call    fat_unlock

        ret

        ret

fs_HdGetFileInfo:

fs_HdGetFileInfo:

        cmp     [fs_type], 16

        cmp     [fs_type], 16

        jz      @f

        jz      @f

        cmp     [fs_type], 1

        cmp     [fs_type], 1

        jz      ntfs_HdDelete

        jz      ntfs_HdDelete

        cmp     [fs_type], 2

        cmp     [fs_type], 2

        jz      ext2_HdDelete

        jz      ext2_HdDelete

        ret

        ret

@@:

@@:

        sub     ebx, 4

        sub     ebx, 4

        push    ebp

        push    ebp

        mov     ebp, [fs_dependent_data_start.partition]

        mov     ebp, [fs_dependent_data_start.partition]

.err1:

.err1:

        popad

        popad

.err2:

.err2:

        pop     edi

        pop     edi

        call    fat_unlock

        call    fat_unlock

        ret

        ret

.error_fat:

.error_fat:

        popad

        popad

        pop     edi

        pop     edi

        call    fat_unlock

        call    fat_unlock

        ret

        ret

.notempty:

.notempty:

        popad

        popad

.access_denied2:

.access_denied2:

        pop     edi

        pop     edi

        call    fat_unlock

        call    fat_unlock

        ret

        ret

.empty:

.empty:

        popad

        popad

        push    eax ebx

        push    eax ebx

        lea     ebx, [ebp+FAT.buffer]

        lea     ebx, [ebp+FAT.buffer]