many changes

src/cas/example/simple/exPV.cc

@@ -82,7 +82,7 @@ caStatus exPV::update(gdd &valueIn)
 #	endif
 
 	cas = this->updateValue (valueIn);
-	if (cas || this->pValue==NULL) {
+	if ( cas || ( ! this->pValue.valid() ) ) {
 		return cas;
 	}
 
@@ -200,7 +200,7 @@ void exPV::interestDelete()
 void exPV::show(unsigned level) const
 {
 	if (level>1u) {
-		if (this->pValue!=NULL) {
+		if ( this->pValue.valid () ) {
 			printf("exPV: cond=%d\n", this->pValue->getStat());
 			printf("exPV: sevr=%d\n", this->pValue->getSevr());
 			printf("exPV: value=%f\n", (double) *this->pValue);
@@ -321,11 +321,11 @@ caStatus exPV::getValue(gdd &value)
 {
 	caStatus status;
 
-	if (this->pValue!=NULL) {
+	if ( this->pValue.valid () ) {
 		gddStatus gdds;
 
 		gdds = gddApplicationTypeTable::
-			app_table.smartCopy(&value, this->pValue);
+			app_table.smartCopy (&value, & (*this->pValue) );
 		if (gdds) {
 			status = S_cas_noConvert;	
 		}

src/cas/example/simple/exScalarPV.cc

@@ -43,7 +43,7 @@ void exScalarPV::scan()
 	this->currentTime = osiTime::getCurrent();
 
 	pDD = new gddScalar (gddAppType_value, aitEnumFloat32);
-	if (pDD==NULL) {
+	if ( ! pDD.valid () ) {
 		return;
 	}
 
@@ -54,7 +54,7 @@ void exScalarPV::scan()
 	assert (!gddStatus);
 
 	radians = (rand () * 2.0 * myPI)/RAND_MAX;
-	if (this->pValue!=NULL) {
+	if ( this->pValue.valid () ) {
 		this->pValue->getConvert(newValue);
 	}
 	else {

src/cas/example/simple/exVectorPV.cc

@@ -70,7 +70,7 @@ void exVectorPV::scan()
  
 	pDD = new gddAtomic (gddAppType_value, aitEnumFloat32, 
 			1u, this->info.getElementCount());
-	if (pDD==NULL) {
+	if ( ! pDD.valid () ) {
 		return;
 	}
  
@@ -105,7 +105,7 @@ void exVectorPV::scan()
 	// current value
 	//
 	pCF=NULL;
-	if (this->pValue!=NULL) {
+	if ( this->pValue.valid () ) {
 		if (this->pValue->dimension()==1u) {
 			const gddBounds *pB = this->pValue->getBounds();
 			if (pB[0u].size()==this->info.getElementCount()) {
@@ -208,7 +208,7 @@ caStatus exVectorPV::updateValue(gdd &valueIn)
 		//
 		pNewValue = new gddAtomic (gddAppType_value, aitEnumFloat32, 
 			1u, this->info.getElementCount());
-		if (pNewValue==NULL) {
+		if ( ! pNewValue.valid () ) {
 			return S_casApp_noMemory;
 		}
 		
@@ -223,9 +223,9 @@ caStatus exVectorPV::updateValue(gdd &valueIn)
 		// copy over the old values if they exist
 		// (or initialize all elements to zero)
 		//
-		if (this->pValue!=NULL) {
-			gdds = pNewValue->copy(this->pValue);
-			if (gdds) {
+		if ( this->pValue.valid () ) {
+			gdds = pNewValue->copy( &(*this->pValue) );
+			if ( gdds ) {
 				return S_cas_noConvert;
 			}
 		}