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|
TITLE EXTATTR- Extended Attributes
NAME EXTATTR
;
; Get or Set Extended Attributes by handle
;
;
; GetSetEA
; Set_Output
; Search_EA
; Copy_QEA
; Set_one_EA
; Get_one_EA
; Get_Value
; GSetDevCdpg
; Get_max_EA_size
;
; Revision history
;
; A000 version 4.00 Jan. 1988
;
;
;
;
;
;
;
.xlist
;
;
; get the appropriate segment definitions
;
include dosseg.asm ;AN000;
CODE SEGMENT BYTE PUBLIC 'CODE' ;AN000;
ASSUME SS:DOSGROUP,CS:DOSGROUP ;AN000;
.xcref
INCLUDE DOSSYM.INC ;AN000;
INCLUDE DEVSYM.INC ;AN000;
include EA.inc ;AN000;
.cref
.list
.sall
; I_need XA_from,BYTE ;AN000;
; I_need XA_TABLE,BYTE ;AN000;
; I_need XA_TEMP,WORD ;AN000;
; I_need XA_COUNT,WORD ;AN000;
; I_need XA_DEVICE,BYTE ;AN000;
I_need XA_TYPE,BYTE ;AN000;
I_need SAVE_ES,WORD ;AN000;
I_need SAVE_DI,WORD ;AN000;
I_need SAVE_DS,WORD ;AN000;
I_need SAVE_SI,WORD ;AN000;
I_need SAVE_CX,WORD ;AN000;
I_need SAVE_BX,WORD ;AN000;
; I_need XA_handle,WORD ;AN000;
; I_need CPSWFLAG,BYTE ;AN000;
; I_need XA_PACKET,BYTE ;AN000;
; I_need MAX_EA_SIZE,WORD ;AN000;
; I_need MAX_EANAME_SIZE,WORD ;AN000;
; I_need THISSFT,DWORD ;AN000;
;IF DBCS ;AN000;
; I_need DBCS_PACKET,BYTE ;AN000; ;AN000;
;ENDIF ;AN000; ;AN000;
;AN000;
;AN000;
;AN000;
;AN000;
;AN000;
BREAK <GetSet_EA get or set extended attributes by handle> ;AN000;
;AN000;
; Input: [XA_type] = function code, (e.g., get,set) ;AN000;
; [ThisSFT] points to SFT ;AN000;
; ES:BP points to drive parameter block ;AN000;
; [XA_from] = By_Create or By_EA ;AN000;
; [SAVE_ES]:[SAVE_DI] points to get/set list ;AN000;
; [SAVE_DS]:[SAVE_SI] points to get query list ;AN000;
; [SAVE_CX] = size of buffer
; [XA_device]= 1 device, 0 file ;AN000;
; [XA_handle] for device ;AN000;
; Function: Get or Set extended attributes by handle ;AN000;
; Output: carry set: error ;AN000;
; carry clear: extended attributes are successfully get/set ;AN000;
; extended attribute cluster may be created ;AN000;
; ;AN000;
; ;AN000;
; ;AN000;
;AN000;
;AN000;
procedure GetSet_XA,near ;AN000;
ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
LES DI,DWORD PTR [SAVE_DI] ;AN000;;FT. ES:DI -> query list
;; MOV [SAVE_BX],2 ;AN000;;FT. size returned
;; XOR DX,DX ;AN000;;FT. dx=0, codepage id
CMP [XA_type],2 ;AN000;;FT. get EA ?
JNZ eaname ;AN000;;FT. no
getEAs: ;AN000;
CMP [SAVE_CX],0 ;AN000;;FT. get max data size
JNZ notmax ;AN000;;FT. no
;; CALL Get_max_EA_size ;AN000;;FT.
MOV CX,2 ;AN000;;FT. FAKE FAKE..............
JNC set_user_cx ;AN000;;FT.
JMP OKexit ;AN000;;FT. error
notmax:
CMP [SAVE_CX],1 ;AN000;;FT. buffer size =1 ?
JNZ goodsiz ;AN000;;FT. no
errout: ;AN000;
JMP insuff_space ;AN000;;FT. no error
goodsiz: ;AN000;
MOV WORD PTR ES:[DI],0 ;AN000;FT. FAKE FAKE ...............
MOV CX,2 ;AN000;FT. FAKE FAKE ...............
JMP set_user_cx ;AN000;FT. FAKE FAKE ...............
; SUB [SAVE_CX],2 ;AN000;;FT. minus count size
; CMP [SAVE_SI],-1 ;AN000;;FT. get all ?
; JNZ getsome ;AN000;;FT. no
; PUSH CS ;AN000;;FT. ds:si-> EA entry addr
; POP DS ;AN000;;FT.
; INC DI ;AN000;;FT.
; INC DI ;AN000;;FT. es:di -> address after count
; MOV SI,OFFSET DOSGROUP:XA_TABLE ;AN000;FT.
; MOV CX,XA_COUNT ;AN000;;FT. cx= number of EA entries
;;;;;;
;getone:
; CALL GET_ONE_EA ;AN000;;FT. get EA
; JC setout ;AN000;;FT. insufficient memory
; INC DX ;AN000;;FT. next EA ID
; LOOP getone ;AN000;;FT. next one
;setout: ;AN000;
; CALL Set_Output ;AN000;;FT.
; OR CX,CX ;AN000;;FT.
; JNZ errout ;AN000;;FT.
;
; JMP OKexit ;AN000;;FT.
eaname:
CMP [XA_type],3 ;AN000;;FT. get EA name?`
JZ geteaname ;AN000;;FT. yes
JMP setea ;AN000;;FT.
geteaname:
; MOV [SAVE_SI],-1 ;AN000;;FT. make get all
CMP [SAVE_CX],0 ;AN000;;FT. get max data size
JNZ notmax ;AN000;;FT. no
MOV CX,2 ;AN000;;FT. FAKE FAKE ......................
;; MOV CX,[MAX_EANAME_SIZE] ;AN000;;FT. get name size
set_user_cx: ;AN000;
invoke get_user_stack ;AN000;;FT. get user stack
MOV [SI.user_CX],CX ;AN000;;FT.
JMP OKexit ;AN000;;FT. exit
getsome: ;AN000;
; LDS SI,DWORD PTR [SAVE_SI] ;AN000;;FT.
; LODSW ;AN000;;FT.
; MOV CX,AX ;AN000;;FT. cx=number of query entries
; JCXZ setout ;AN000;;FT. yes
; STOSW ;AN000;;FT. es:di -> EA
;get_next_EA: ;AN000;
; PUSH DS ;AN000;;FT. save ds:si
; PUSH SI ;AN000;;FT. es:di
; PUSH ES ;AN000;;FT.
; PUSH DI ;AN000;;FT.
; CALL Search_EA ;AN000;;FT. search query EA from table
; JC EAnotFound ;AN000;;FT. EA not found
; PUSH ES ;AN000;;FT.
; POP DS ;AN000;;FT.
; MOV SI,DI ;AN000;;FT. ds:si -> found EA
; POP DI ;AN000;;FT. es:di -> buffer
; POP ES ;AN000;;FT.
; CALL GET_ONE_EA ;AN000;;FT. copy to buffer
; POP SI ;AN000;;FT.
; POP DS ;AN000;;FT.
; JC setfinal ;AN000;;FT. memory not enough
; MOV AL,[SI.QEA_NAMELEN] ;AN000;;FT.
; XOR AH,AH ;AN000;;FT.
; ADD AX,QEA_NAME ;AN000;;FT.
; ADD SI,AX ;AN000;;FT. ds:si -> next query entry
;testend: ;AN000;
; LOOP get_next_EA ;AN000;;FT. do next
;setfinal: ;AN000;
; LDS SI,DWORD PTR [SAVE_SI] ;AN000;;FT.
; MOV DX,[SI] ;AN000;;FT.
; SUB DX,CX ;AN000;;FT. dx= returned count
; JMP setout ;AN000;;FT.
;EAnotFound: ;AN000;
; POP DI ;AN000;;FT. restore regs
; POP ES ;AN000;;FT.
; POP SI ;AN000;;FT.
; POP DS ;AN000;;FT.
;
; CALL COPY_QEA ;AN000;;FT. copy query EA to buffer
; JC setfinal ;AN000;;FT. not enough memory
; JMP testend ;AN000;;FT.
setea: ;AN000;
JMP OKexit ;AN000;;FT. FAKE FAKE ..........
; LDS SI,DWORD PTR [SAVE_DI] ;AN000;;FT.
; LODSW ;AN000;;FT.
; MOV CX,AX ;AN000;;FT. cx=number of query entries
; OR CX,CX ;AN000;;FT. cx=0 ?
; JZ OKexit ;AN000;;FT. yes
;set_next: ;AN000;
; CALL Search_EA ;AN000;;FT.
; JNC toset ;AN000;;FT.
;set_reason: ;AN000;
; CLC ;AN000;;FT. clear acrry
; MOV [SI.EA_RC],AL ;AN000;;FT. set reason code
; DEC CX ;AN000;;FT. end of set ?
; JZ OKexit ;AN000;;FT. yes
; MOV AL,[SI.EA_NAMELEN] ;AN000;;FT.
; XOR AH,AH ;AN000;;FT.
; ADD AX,[SI.EA_VALLEN] ;AN000;;FT.
; ADD SI,EA_NAME ;AN000;;FT.
; ADD SI,AX ;AN000;;FT. es:di -> next EA entry
; JMP set_next ;AN000;;FT.
;toset: ;AN000;
; CALL SET_ONE_EA ;AN000;;FT. set it
; JMP set_reason ;AN000;;FT.
insuff_space: ;AN000;;FT.
; MOV AX,error_not_enough_memory ;AN000;FT. insufficient memory err
; STC ;AN000;
OKexit: ;AN000;
return ;AN000;
EndProc GetSet_XA ;AN000;
; Input: [SAVE_ES]:[SAVE_DI] points to buffer
; [SAVE_BX]= returned size
; DX= returned count
; Function: set returned size and count ;AN000;
; Output: none
;AN000;
;procedure Set_Output,NEAR ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; LES DI,DWORD PTR [SAVE_DI] ;FT. es:di -> count ;AN000;
; MOV ES:[DI],DX ;FT. ;AN000;
; MOV BX,[SAVE_BX] ;FT. cx=size returned ;AN000;
; invoke get_user_stack ;FT. get user stack ;AN000;
; MOV [SI.user_CX],BX ;FT. ;AN000;
; return ;FT. ;AN000;
; ;AN000;
;EndProc Set_Output ;AN000;
; Input: DS:SI= query EA addr ;AN000;
; Function: search the EA ;AN000;
; Output: carry clear
; DX= EA ID (0 codpage, 1 Filetype, etc.)
; ES:DI points to found entry
; carry set, not found, AL= reason code ;AN000;
;AN000;
;procedure Search_EA,NEAR ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; PUSH CX ;FT. save entry count ;AN000;
; MOV AL,EARCNOTFOUND ;FT. preset error code ;AN000;
; MOV BL,[SI.QEA_NAMELEN] ;FT. ? ;AN000;
; CMP [XA_TYPE],4 ;FT. set ? ;AN000;
; JNZ gettyp ;FT. no ;AN000;
; MOV BL,[SI.EA_NAMELEN] ;FT. ? ;AN000;
;gettyp:
; OR BL,BL ;FT. ;AN000;
; JZ not_found ;FT. ;AN000;
; PUSH CS ;FT. ds:si-> EA entry addr ;AN000;
; POP ES ;FT. ;AN000;
; MOV DI,OFFSET DOSGROUP:XA_TABLE ;FT. ;AN000;
; MOV CX,XA_COUNT ;FT. cx= number of EA entries ;AN000;
; XOR DX,DX ;FT. dx=0, codepage id ;AN000;
;
;start_find:
; PUSH CX ;FT. save entry count ;AN000;
; MOV CL,BL ;FT. ;AN000;
; XOR CH,CH ;FT. get name len ;AN000;
; PUSH SI ;FT. ;AN000;
; PUSH DI ;FT. ;AN000;
; CMP [XA_TYPE],4 ;FT. set ? ;AN000;
; JNZ gettyp2 ;FT. no ;AN000;
; ADD SI,EA_NAME ;FT. ;AN000;
; JMP short updi ;FT. ;AN000;
;gettyp2:
; ADD SI,QEA_NAME ;FT. compare EA names ;AN000;
;updi:
; ADD DI,EA_NAME ;FT. ;AN000;
; REP CMPSB ;FT. ;AN000;
; POP DI ;FT. ;AN000;
; POP SI ;FT. ;AN000;
; POP CX ;FT. ;AN000;
; JNZ not_matched ;FT. name not matched ;AN000;
; MOV AL,EARCDEFBAD ;FT. preset error code ;AN000;
; PUSH SI ;FT. ;AN000;
; PUSH DI ;FT. ;AN000;
; CMPSB ;FT. compare type ;AN000;
; JNZ not_matched2 ;FT. type not matched ;AN000;
; CMPSW ;FT. compare flags ;AN000;
; JNZ not_matched2 ;FT. flag not matched ;AN000;
; POP DI ;FT. ;AN000;
; POP SI ;FT. found one ;AN000;
; JMP SHORT found_one ;FT. ;AN000;
;not_matched:
; DEC CX ;FT. end of table ;AN000;
; JZ not_found ;FT. yes ;AN000;
; MOV AL,ES:[DI.EA_NAMELEN] ;FT. ;AN000;
; XOR AH,AH ;FT. ;AN000;
;
; ADD DI,EA_NAME ;FT. ;AN000;
; ADD DI,AX ;FT. es:di -> next EA entry ;AN000;
; INC DX ;FT. increment EA ID ;AN000;
; JMP start_find ;FT. ;AN000;
;not_matched2:
; POP DI ;FT. ;AN000;
; POP SI ;FT. ;AN000;
; JMP not_matched ;FT. ;AN000;
;not_found:
; STC ;FT. ;AN000;
;found_one:
; POP CX ;FT. ;AN000;
; return ;FT. ;AN000;
;AN000;
;EndProc Search_EA ;AN000;
;AN000;
; Input: ES:DI= buffer address ;AN000;
; DS:SI= EA entry address
; [SAVE_CX]= buffer size
; AL = reason code
; Function: move one query entry to buffer ;AN000;
; Output: carry clear
; DS:SI points to next entry
; ES:DI points to next entry
; [SAVE_CX],[SAVE_BX], updated ;AN000;
; carry set, insufficient memory error ;AN000;
;AN000;
;procedure COPY_QEA,NEAR ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; PUSH CX ;FT. ;AN000;
; MOV DL,AL ;FT. ;AN000;
; MOV CX,EA_NAME -EA_TYPE ;FT. ;AN000;
;
; MOV BL,[SI.QEA_NAMELEN] ;FT. ;AN000;
; XOR BH,BH ;FT. ;AN000;
; ADD CX,BX ;FT. cx= query EA size ;AN000;
; CMP CX,[SAVE_CX] ;FT. > buffer size ;AN000;
; JA sizeshort2 ;FT. yes ;AN000;
; PUSH CX ;FT. ;AN000;
; LODSB ;FT. move type ;AN000;
; STOSB ;FT. ;AN000;
; LODSW ;FT. ;AN000;
; STOSW ;FT. move flag ;AN000;
; MOV AL,DL ;FT. move RC ;AN000;
; STOSB ;FT. ;AN000;
;
; LODSB ;FT. move name len ;AN000;
; MOV CL,AL ;FT. ;AN000;
; STOSB ;FT. ;AN000;
; XOR AX,AX ;FT. zero value length ;AN000;
; STOSW ;FT. ;AN000;
; OR CL,CL ;FT. ;AN000;
; JZ zeroname ;FT. ;AN000;
; XOR CH,CH ;FT. ;AN000;
;
; REP MOVSB ;FT. move EA to buffer ;AN000;
;zeroname:
; POP CX ;FT. ;AN000;
; ADD [SAVE_BX],CX ;FT. bx=bx+entry size ;AN000;
; SUB [SAVE_CX],CX ;FT. update buffer size ;AN000;
; CLC ;FT. ;AN000;
; JMP SHORT okget2 ;FT. ;AN000;
;
;sizeshort2:
; MOV AX,error_not_enough_memory ;FT. error ;AN000;
; STC ;FT. ;AN000;
;okget2:
; POP CX ;FT. ;AN000;
; return ;FT. ;AN000;
; ;AN000;
;EndProc COPY_QEA ;AN000;
;AN000;
; Input: ES:DI= found EA entry addr ;AN000;
; DS:SI= source EA entry address
; DX= EA ID (0 codpage, 1 Filetype, etc.)
; Function: set one EA ;AN000;
; Output: carry clear
; EA set
; carry set, AL= reason code ;AN000;
;AN000;
;procedure SET_ONE_EA,NEAR ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; PUSH CX ;FT. ;AN000;
; MOV AL,EARCDEFBAD ;FT. prseet error code ;AN000;
; MOV BX,[SI.EA_VALLEN] ;FT. ;AN000;
; CMP BX,ES:[DI.EA_VALLEN] ;FT. length equal ? ;AN000;
; JNZ notset ;FT. no ;AN000;
; PUSH DS ;FT. ;AN000;
; PUSH SI ;FT. ;AN000;
; MOV AL,[SI.EA_NAMELEN] ;FT. ;AN000;
; XOR AH,AH ;FT. ;AN000;
; ADD SI,EA_NAME ;FT. ;AN000;
; ADD SI,AX ;FT. ;AN000;
; CMP DX,0 ;FT. ;AN000;
; JNZ set_filetyp ;FT. ;AN000;
; LODSW ;FT. ;AN000;
; CMP [XA_DEVICE],0 ;FT. device ? ;AN000;
; JZ notdevice ;FT. no ;AN000;
; OR AX,AX ;FT. code page 0 ? ;AN000;
; JZ NORM0 ;FT. yes ;AN000;
;
; CALL GSetDevCdPg ;FT. ;AN000;
; JNC welldone ;FT. ;AN000;
; CMP [CPSWFLAG],0 ;FT. code page matching on ;AN000;
; JZ NORM0 ;FT. no ;AN000;
; invoke SAVE_WORLD ;FT. save all regs ;AN000;
; LDS SI,[THISSFT] ;FT. ds:si -> sft ;AN000;
; LDS SI,[SI.sf_devptr] ;FT. ds:si -> device header ;AN000;
; MOV BP,DS ;FT. save all regs ;AN000;
; invoke Code_Page_Mismatched_Error ;FT. ;AN000;
; CMP AL,0 ;FT. ignore ? ;AN000;
; JZ NORM1 ;FT. ;AN000;
; invoke RESTORE_WORLD ;FT. save all regs ;AN000;
;NORM0:
; MOV AL,EARCDEVERROR ;FT. ;AN000;
; STC ;FT. ;AN000;
; JMP SHORT sdone ;FT. ;AN000;
;NORM1:
; invoke RESTORE_WORLD ;FT. save all regs ;AN000;
; JMP SHORT welldone ;FT. ;AN000;
;notdevice:
; LDS SI,[THISSFT] ;FT. ;AN000;
; MOV [SI.sf_CodePage],AX ;FT. set codepege ;AN000;
; JMP SHORT welldone ;FT.
;set_filetyp:
; LODSB ;FT. ;AN000;
; LDS SI,[THISSFT] ;FT. set filtype ;AN000;
; MOV [SI.sf_ATTR_HI],AL ;FT. ;AN000;
;
;welldone:
; XOR AL,AL ;FT. success ;AN000;
;sdone:
; POP SI ;FT. ;AN000;
; POP DS ;FT. ;AN000;
;notset:
; POP CX ;FT. ;AN000;
; return ;FT. ;AN000;
;AN000;
;EndProc SET_ONE_EA ;AN000;
;AN000;
; Input: ES:DI= buffer address ;AN000;
; DS:SI= EA entry address
; [SAVE_CX]= buffer size available
; [SAVE_BX]= size returned
; DX= EA ID (0 codpage, 1 Filetype, etc.)
; Function: move one EA entry to the buffer ;AN000;
; Output: carry clear
; DS:SI points to next entry
; ES:DI points to next entry
; [SAVE_CX],BX, updated ;AN000;
; carry set, insufficient memory error ;AN000;
;AN000;
;procedure GET_ONE_EA,NEAR ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; PUSH CX ;FT. ;AN000;
; CMP [XA_TYPE],2 ;FT. type 2 ? ;AN000;
; JZ gtyp2 ;FT. yes ;AN000;
; MOV CX,QEA_NAME - QEA_TYPE ;FT. ;AN000;
; JMP SHORT addnmlen ;FT.
;gtyp2:
; MOV CX,EA_NAME - EA_TYPE ;FT. cx = EA entry size ;AN000;
; ADD CX,[SI.EA_VALLEN] ;FT. ;AN000;
;addnmlen:
; MOV AL,[SI.EA_NAMELEN] ;FT.
; XOR AH,AH ;FT. ;AN000;
; ADD CX,AX ;FT. ;AN000;
; CMP CX,[SAVE_CX] ;FT. > buffer size ;AN000;
; JA sizeshort ;FT. yes ;AN000;
; PUSH CX ;FT. ;AN000;
; LODSB ;FT. move type ;AN000;
; STOSB ;FT. ;AN000;
; LODSW ;FT. ;AN000;
; STOSW ;FT. move flag ;AN000;
; LODSB ;FT. EA list need RC ;AN000;
; CMP [XA_TYPE],2 ;FT. ;AN000;
; JNZ norc ;FT. ;AN000;
; STOSB ;FT. ;AN000;
;norc:
; LODSB ;FT. move name len ;AN000;
; STOSB ;FT. ;AN000;
; MOV CL,AL ;FT. ;AN000;
; XOR CH,CH ;FT. ;AN000;
; LODSW ;FT. EA list need value len ;AN000;
; CMP [XA_TYPE],2 ;FT. ;AN000;
; JNZ novalen ;FT. ;AN000;
; STOSW ;FT. ;AN000;
;novalen:
;
; REP MOVSB ;FT. move EA to buffer ;AN000;
; CMP [XA_TYPE],2 ;FT. ;AN000;
; JNZ novalue ;FT. ;AN000;
; CALL GET_VALUE ;FT. get value for type 2 ;AN000;
;novalue:
; POP CX ;FT. ;AN000;
; ADD [SAVE_BX],CX ;FT. add entry size ;AN000;
; LES DI,DWORD PTR [SAVE_DI] ;FT. ;AN000;
; ADD DI,[SAVE_BX] ;FT. es:di -> next entry ;AN000;
; SUB [SAVE_CX],CX ;FT. update buffer size ;AN000;
; CLC ;FT. ;AN000;
; JMP SHORT okget ;FT. ;AN000;
;
;sizeshort:
; MOV AX,error_not_enough_memory ;FT. error ;AN000;
; STC ;FT. ;AN000;
;okget:
; POP CX ;FT. ;AN000;
; return ;FT. ;AN000;
; ;AN000;
;EndProc GET_ONE_EA ;AN000;
;AN000;
;AN000;
; Input: DX= EA ID (0 codpage, 1 Filetype, etc.)
; [THISSFT]= points to SFT
; ES:DI= buffer address of EA value
; [XA_DEVICE]=0 file, 1 device
; Function: get attribute ;AN000;
; Output: none ;AN000;
; ;AN000;
;AN000;
;procedure GET_VALUE,NEAR ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; PUSH DS ;FT. save ds:si ;AN000;
; PUSH SI ;FT. ;AN000;
; LDS SI,[ThisSFT] ;FT. ds:si -> SFT ;AN000;
;
; CMP DX,0 ;FT. code page ? ;AN000;
; JNZ eafiltyp ;FT. no ;AN000;
; CMP [XA_DEVICE],0 ;FT. device ? ;AN000;
; JZ notdev ;FT. no ;AN000;
; CALL GSetDevCdPg ;FT. do ioctl invoke ;AN000;
; JNC okcdpg ;FT. error ? ;AN000;
; PUSH DI ;FT. ;AN000;
; XOR AX,AX ;FT. make code page 0 ;AN000;
; LES DI,DWORD PTR [SAVE_DI] ;FT. ;AN000;
; ADD DI,[SAVE_BX] ;FT. es:di -> beginning of entry ;AN000;
; MOV ES:[DI.EA_RC],EARCNOTFOUND ;FT. ;AN000;
; POP DI ;FT. ;AN000;
; JMP SHORT okcdpg ;FT. ;AN000;
;notdev:
; MOV AX,[SI.sf_CodePage] ;FT. get code page from sft ;AN000;
;okcdpg:
; STOSW ;FT. put in buffer ;AN000;
; JMP SHORT gotea ;FT. ;AN000;
;eafiltyp:
; MOV AL,[SI.sf_ATTR_HI] ;FT. get high attribute ;AN000;
; STOSB ;FT. put in buffer ;AN000;
;
;gotea:
; POP SI ;FT. retore regs ;AN000;
; POP DS ;FT. ;AN000;
; return ;FT. ;AN000;
;EndProc GET_VALUE ;AN000;
;AN000;
;AN000;
; Input: [XA_handle] = device handle ;AN000;
; [XA_type] = 4 , set ;AN000;
; AX= code page (set)
; 2,3 get ;AN000;
; Function: get or set device code page ;AN000;
; Output: carry clear, AX= device code page (get) ;AN000;
; carry set, error ;AN000;
;AN000;
;procedure GSetDevCdPg,near ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; invoke SAVE_WORLD ;FT. save all regs ;AN000;
; CMP [XA_type],4 ;FT. set ? ;AN000;
; JZ setpg ;FT. yes ;AN000;
; MOV CX,6AH ;FT. get selected code page ;AN000;
; JMP SHORT dogset ;FT. ;AN000;
;setpg: ;AN000;
; MOV CX,4AH ;FT. set code page ;AN000;
;IF DBCS
;
; invoke Save_World ;FT. save all regs ;AN000;
; MOV BX,AX ;FT. bx= code page id ;AN000;
; MOV AL,7 ;FT. get DBCS vectors ;AN000;
; MOV DX,-1 ;FT. get current country ;AN000;
; MOV CX,5 ;FT. minimum size ;AN000;
; MOV DI,OFFSET DOSGROUP:DBCS_PACKET ;FT. ;AN000;
; PUSH CS ;FT. ;AN000;
; POP ES ;FT. ;AN000;
; invoke $GetExtCntry ;FT. get DBCS vectors ;AN000;
; JC nlsfunc_err ;FT. error ;AN000;
; LDS SI,DWORD PTR DBCS_PACKET+1 ;FT. ;AN000;
; LODSW ;FT. get vector length ;AN000;
; MOV CX,AX ;FT. cx=length ;AN000;
;
; MOV DI,OFFSET DOSGROUP:XA_PACKET+4 ;FT. ;AN000;
; PUSH CS ;FT. ;AN000;
; POP ES ;FT. ;AN000;
; REP MOVSB ;FT. ;AN000;
; CLC ;FT. ;AN000;
;nlsfunc_err:
; invoke RESTORE_WORLD ;FT. restore all regs ;AN000;
; JC deverr ;FT. ;AN000;
;
;ENDIF
; MOV WORD PTR [XA_PACKET+2],AX ;FT. ;AN000;
;dogset: ;AN000;
; MOV BX,[XA_handle] ;FT. set up handle ;AN000;
; PUSH CS ;FT. ds:dx -> packet ;AN000;
; POP DS ;FT. ;AN000;
; MOV DX,OFFSET DOSGROUP:XA_PACKET ;FT. ;AN000;
; MOV AX,440CH ;FT. IOCTL to char device by handle ;AN000;
; invoke $IOCTL ;FT. issue get code page ;AN000;
; JC deverr ;FT. error ;AN000;
; invoke RESTORE_WORLD ;FT. restore all regs ;AN000;
; MOV AX,WORD PTR [XA_PACKET+2] ;FT. get code page ;AN000;
; return ;FT. ;AN000;
;deverr: ;AN000;
; invoke RESTORE_WORLD ;FT. restore all regs ;AN000;
; return ;FT. exit ;AN000;
; ;AN000;
;EndProc GSetDevCdPg ;AN000;
;AN000;
; Input: DS:SI -> query list
;
; Function: get max size ;AN000;
; Output: CX= size
; carry set error
;AN000;
;procedure Get_max_EA_size,NEAR ;AN000;
; ASSUME CS:DOSGROUP,DS:NOTHING,ES:NOTHING,SS:DOSGROUP ;AN000;
; ;AN000;
; CMP [SAVE_SI],0FFFFH ;FT. get all ? ;AN000;
; JNZ scan_query ;FT. no ;AN000;
; MOV CX,[MAX_EA_SIZE] ;FT. get max EA size ;AN000;
; JMP SHORT gotit ;FT.
;scan_query:
; LDS SI,DWORD PTR [SAVE_SI] ;FT. ds:si -> query list ;AN000;
; LODSW ;FT. ax= number of entries ;AN000;
; MOV [SAVE_CX],AX ;FT. ;AN000;
; XOR CX,CX ;FT. set initial size to 0 ;AN000;
; OR AX,AX ;FT. if no entris ;AN000;
; JZ gotit ;FT. then return ;AN000;
; MOV CX,2 ;FT. at lesat 2 ;AN000;
;NEXT_QEA:
; CALL Search_EA ;FT. search EA ;AN000;
; JC serror ;FT. wrong EA ;AN000;
; ADD CX,size EA ;FT. get EA size ;AN000;
; ADD CL,ES:[DI.EA_NAMELEN] ;FT. ;AN000;
; ADC CH,0 ;FT. ;AN000;
; ADD CX,ES:[DI.EA_VALLEN] ;FT. ;AN000;
; DEC CX ;FT. ;AN000;
; DEC [SAVE_CX] ;FT. end of entris ;AN000;
; JZ gotit ;FT. no ;AN000;
; MOV AL,[SI.QEA_NAMELEN] ;FT. update to next QEA ;AN000;
; XOR AH,AH ;FT. update to next QEA ;AN000;
; ADD SI,AX ;FT. update to next QEA ;AN000;
; ADD SI,size QEA ;FT. ;AN000;
; DEC SI ;FT. ;AN000;
; JMP next_QEA ;FT. do next ;AN000;
;serror:
; MOV AX,error_invalid_data ;FT. set initial size to 0 ;AN000;
;gotit: ;FT. ;AN000;
; return ;FT. exit ;AN000;;FT. exit ;AN000;
;
;EndProc Get_max_EA_size ;FT. exit ;AN000; ;AN000;
;AN000;
CODE ENDS ;AN000;
END ;AN000;
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