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When the GetRecordList routine returns, the sample code in Listing 3-1 calls dsCloseDirNode to close
the node that it opened in order to get the record list.
Listing 3-1 Listing records in a node
void main ( )
{
long dirStatus = eDSNoErr;
tDirNodeReference nodeRef = NULL;
dirStatus = dsOpenDirService( &gDirRef );
if ( dirStatus == eDSNoErr )
{
dirStatus = MyOpenDirNode( &nodeRef );
if ( dirStatus == eDSNoErr )
{
GetRecordList(nodeRef);
dsCloseDirNode( nodeRef );
}
}
if ( gDirRef != NULL )
{
dirStatus = dsCloseDirService( gDirRef );
}
}
long GetRecordList ( const tDirNodeReference nodeRef )
{
unsigned long i = 0;
unsigned long j = 0;
unsigned long k = 0;
long dirStatus = eDSNoErr;
unsigned long recCount = 0; // Get all records.
tDataBufferPtr dataBuffer = NULL;
tContextData context = NULL;
tAttributeListRef attrListRef = NULL;
tAttributeValueListRef valueRef = NULL;
tRecordEntry *pRecEntry = NULL;
tAttributeEntry *pAttrEntry = NULL;
tAttributeValueEntry *pValueEntry = NULL;
tDataList recNames;
tDataList recTypes;
tDataList attrTypes;
dataBuffer = dsDataBufferAllocate( gDirRef, 2 * 1024 ); // allocate a 2k
buffer
if ( dataBuffer != NULL )
{
// For readability, the sample code does not check dirStatus after
// each call, but
// your code should.
dirStatus = dsBuildListFromStringsAlloc ( gDirRef, &recNames,
kDSRecordsAll, NULL );
dirStatus = dsBuildListFromStringsAlloc ( gDirRef, &recTypes,
kDSStdRecordTypeUsers, NULL );
dirStatus = dsBuildListFromStringsAlloc ( gDirRef, &attrTypes,
kDSAttributesAll, NULL );
do
{
34
Listing Records
2007-01-08 | © 2007 Apple Inc. All Rights Reserved.
CHAPTER 3
Working with Records