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DIFG5	;SFISC/DG(OHPRD)-MISC FUNCTIONS ;3/11/93  1:25 PM
	;;21.0;VA FileMan;;Dec 28, 1994
	;Per VHA Directive 10-93-142, this routine should not be modified.
CHECKY	;CHECKS Y AFTER DIC CALL
	I Y>0,DIFGTYP="FILE"!(DIFGTYP="MV FIELD"),$P(DIFGMO(DIFGMULT),U)="L" S ^("MODE")="M"_"^"_$P(^UTILITY("DIFG",$J,DIFGINCR,DIFGDIC,"MODE"),U,2)
	I Y>0 G X1
	S DIFGCHEK=0 I DIFGTYP="MV FIELD"!(DIFGTYP="FILE") S DIFGCHEK=1
	I DIFGCHEK,$P(DIFGMO(DIFGMULT),U)="L",DIFGTYP'="MV FIELD" S X=$S($D(DIFG("ACGRV")):X_"^N",1:X),DIFGSKIP(DIFGMULT)="" D ^DIFG4 G X1 ;Set X to X^N if internal pointer value was used in lookup, lets ^DIFG7 know if X internal value or not
	I DIFGCHEK,$P(DIFGMO(DIFGMULT),U)="L",DIFGTYP="MV FIELD" S DIFGSKIP(DIFGMULT)="" G X1
	I 'DIFGCHEK D ^DIFG4 G X1
	I DIFGCHEK,$P(DIFGMO(DIFGMULT),U)="D" G X1 ;If no entry found to delete, continue
	I DIFGCHEK,$P(DIFGMO(DIFGMULT),U)="M" S DIFGER=12_U_DIFGY D ERROR^DIFG G X1 ;Lookup for entry failed (no earlier "add" since DIFGFLUS undefined - if DIFGFLUS defined, wouldn't have done ^DIC)
X1	K DIFGCHEK Q
	;
KEY	;DETERMINE @LINK VALUE FROM KEY
	S DIFG("KEY","XREF")=""""_$P($P(DIFGDIX,U,3),"=")_"""",DIFG("KEY","VAL")=""""_$P(DIFGDIX,"=",2)_"""",DIFG("KEY","GLO")=^DIC(DIC,0,"GL")
	S Y=$O(@(DIFG("KEY","GLO")_DIFG("KEY","XREF")_","_DIFG("KEY","VAL")_","""")"))
	I Y="" S Y=-1 S DIFGER=13_U_DIFGY D ERROR^DIFG
	I 'DIFGER S (^UTILITY("DIFG@",$J,DIFGSAVE(DIFG,"@NUM")),DIFGALNK)=Y,^UTILITY("DIFGX",$J,DIFGSAVE(DIFG,"@NUM"))=X
	Q
	;
LINK	;FINDS @NUMBER TO LINK DFN TO FROM LOOKUP
	I $F(DIFGDIX,"@") S DIFGSAVE(DIFG,"@NUM")="@"_+$E(DIFGDIX,$F(DIFGDIX,"@"),99) I $D(^UTILITY("DIFG@",$J,DIFGSAVE(DIFG,"@NUM"))) S DIFGFLUS=""
	;Line before this checks if DIFG("@NUM") exists.  If it exists because it was a modify then don't need to do the lookup.
	;If exists and is equal to itself (+^UTILITY("DIFG@",$J,"@NUM"))=0, then previous reference to this @link was an add and stll don't do lookup
	Q
	;
ARRAY	;SETS EXECUTABLE ARRAY FOR DIC("S")
	F DIFGI=1:1 I '$D(DIFGDIC(DIC,DIFGI)) S DIFGI=DIFGI-1 Q
	S DIFGDIC(DIC,DIFGI)=DIFGDIC(DIC,DIFGI)_+Y,DIFGSVVL(DIFGCT)=+Y
	Q
	;
IDENSPEC	;called from ^DIFG3
	S %=DIFGLAGO NEW DIFGLAGO S DIFGLAGO=$S(%=0:0,$D(DIFGENV("LAYGO",DIC,DIFGNUMF(DIFGCT))):1,DIFGHAT'["'":1,1:0) K %
	S DIFGSAVE(DIFG,"HX")=X,X=$P(DIFGDIX,"=",2) X DIFGLINE
	S DIFGSVVL(DIFGCT)="^UTILITY(""DIFG@"","_$J_",""@"_$P(DIFGDIX,"@",2)_""")" D RCR^DIFG3 G:DIFGER X
	S:$S($D(Y):Y<0,1:1) DIFGNOLK="" S X=DIFGSAVE(DIFG,"HX")
	D:$D(DIFGDIC(DIC))&'$D(DIFGNOLK) ARRAY
X	Q
	;
DOLO	;called from ^DIFG3
	NEW %,%A
	S %A=$S($D(DIFGMGBL(DIFGMULT)):DIFGMGBL(DIFGMULT),1:^DIC(DIC,0,"GL"))
	F %=0:0 S %=$O(@(%A_"%)")) Q:'%  I +^(%,0)=X X DIC("S") I $T S DIFG("FOUND")="",Y=% Q
	I '$D(DIFG("FOUND")) S Y=-1
	Q
	;
EOJ	;
	S DIFGEL=DIFGY
	S:$G(DIFGBSE)["^UTILITY" DIFGBSE="~"_$P(DIFGBSE,U,2,99) I 'DIFGER!(DIFGER&($S($D(DIFGBSE):$S(+DIFGBSE:1,1:@($TR($P(DIFGBSE,U),"~","^"))),1:0))) S @("DIFGY="_$TR($P(DIFGBSE,U),"~","^")_"_U_$P(DIFGBSE,U,2,3)")
	E  S DIFGY=-1
	I 'DIFGER K DIFGER
	I $D(DIFGREI),($D(DIFGEROR)!'$D(DIFGER)) S DA=DIFGREI,DIK="^DIAR(1.13," D ^DIK K DIK,DA
	K DIFGI,DIFGL,DIFGDIX,DIFGLO,DIFGEND,DIFGMULT,DIFGO,DIFGCT,DIFGEXC,DIFGLINE,DIFGALNK,DIFGSAVX,DIFG,DIFGBSE,DIFGDOL,DIFGNUMF,DIFGPC,DIFGPTER,DIFGVAL,DIFGKEY,DIFGMLND,DIFGDINM,DIFGREI,DIFGCHKG,DIFGEROR,DIFGLC,DIFGENV
	K ^UTILITY("DIFGX",$J),^UTILITY("DIFG@",$J),^UTILITY("DIFG",$J)
	Q