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;****************************************************************************;* *;* WFFSC.ASM - *;* *;* WINFILE's File System Change Notification Handler *;* *;****************************************************************************
include winfile.inc
;=============================================================================
externFP lstrlenexternFP lstrcpyexternFP LocalAllocexternFP PostMessage
createSeg _%SEGNAME, %SEGNAME, WORD, PUBLIC, CODE
sBegin %SEGNAME
assumes CS,%SEGNAMEassumes DS,DATA
;*--------------------------------------------------------------------------*;* *;* KernelChangeFileSystem() - *;* *;*--------------------------------------------------------------------------*
cProc KernelChangeFileSystem, <FAR, PUBLIC>, <SI, DI>
parmW wDosFuncparmD lpFile
localW handle
cBegin
cmp wDosFunc,4300h ; Is it get attributes? je KCFSExit ; Yup, skip
; Alloc a local buffer for the file's name. les si,lpFile push es push si call lstrlen inc ax ; Skip the NULL
; Is this a RENAME command? cmp wDosFunc,5600h jne KCFSAllocIt ; Nope, Skip
; Yup, add the length of the second string. mov di,ax ; DI = Length of first string add si,di ; SI points to second string push es push si call lstrlen add ax,di ; Add length of first string inc ax ; Include the NULL
KCFSAllocIt: mov di,ax ; DI = Number of chars to copy mov dx,LMEM_NODISCARD or LMEM_NOCOMPACT or LMEM_FIXED cCall LocalAlloc,<dx,di> or ax,ax jz KCFSExit mov handle,ax ; Save the handle
; Copy the file's name into local storage. push ds ; Save DS mov cx,di ; CX = Length push ds pop es mov di,ax ; ES:DI = Destination lds si,lpFile ; DS:SI = Source cld rep movsb ; Copy pop ds ; Restore DS
; Compute the proper FSC_ value for wParam. mov ax,wDosFunc xchg ah,al mov ah,80h ; high bit -> dos function, not FSC
sub dx,dx
mov cx,WM_FILESYSCHANGE
; Post the message. cCall PostMessage,<_hwndFrame,cx,ax,dx,handle>KCFSExit:cEnd
sEnd
end
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