C H A P T E R 2
Working with Nodes
tContextData context = NULL;
dirStatus = dsGetDirNodeCount( gDirRef, &nodeCount ); printf( "Registered node count is: %lu\n", nodeCount ); if ( (dirStatus == eDSNoErr) && (nodeCount != 0) )
{
//Allocate a 32k buffer.
dataBuffer = dsDataBufferAllocate( gDirRef, 32 * 1024 ); if ( dataBuffer != NULL )
{
while ( (dirStatus == eDSNoErr) && (done == false) )
{
dirStatus = dsGetDirNodeList( gDirRef, dataBuffer, &bufferCount,
&context );
if ( dirStatus == eDSNoErr )
{
for ( index = 1; index <= bufferCount; index++ )
{
dirStatus = dsGetDirNodeName( gDirRef, dataBuffer,
index, &nodeName );
if ( dirStatus == eDSNoErr )
{
printf( "#%4ld ", index ); PrintNodeName( nodeName );
//Deallocate the data list containing the node
name.
dirStatus = dsDataListDeallocate( gDirRef, nodeName
);
free(nodeName);
}
else
{
printf("dsGetDirNodeName error = %ld\n", dirStatus
);
}
}
}
done = (context == NULL);
}
if (context != NULL)
{
dsReleaseContinueData( gDirRef, context );
}
dsDataBufferDeAllocate( gDirRef, dataBuffer ); dataBuffer = NULL;
}
}
} // ListNodes
void PrintNodeName ( tDataListPtr inNode ) { char* pPath;
pPath = dsGetPathFromList( gDirRef, inNode, "/" ); printf( "%s\n", pPath );
if ( pPath != NULL )
{
free( pPath ); pPath = NULL;
}
26Listing Registered Nodes
