Windows2003-3790/inetsrv/iis/utils/mdtools/lib/data.cxx

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2001-01-01 00:00:00 +01:00
/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
enum.cxx
Abstract:
General metadata utility functions.
Author:
Keith Moore (keithmo) 05-Feb-1997
Revision History:
--*/
#include "precomp.hxx"
#pragma hdrstop
//
// Private constants.
//
#define INITIAL_BUFFER_SIZE 64
//
// Private types.
//
//
// Private globals.
//
//
// Private prototypes.
//
//
// Public functions.
//
HRESULT
MdGetAllMetaData(
IN IMSAdminBase * AdmCom,
IN METADATA_HANDLE Handle,
IN LPWSTR Path,
IN DWORD Attributes,
OUT METADATA_GETALL_RECORD ** Data,
OUT DWORD * NumEntries
)
{
HRESULT result;
DWORD dataSet;
DWORD bytesRequired;
DWORD bufferLength;
LPVOID buffer;
bufferLength = INITIAL_BUFFER_SIZE;
buffer = NULL;
while( TRUE ) {
if( buffer != NULL ) {
MdpFreeMem( buffer );
}
buffer = MdpAllocMem( bufferLength );
if( buffer == NULL ) {
result = HRESULT_FROM_WIN32( ERROR_NOT_ENOUGH_MEMORY );
break;
}
result = AdmCom->GetAllData(
Handle,
Path,
Attributes,
ALL_METADATA,
ALL_METADATA,
NumEntries,
&dataSet,
bufferLength,
(BYTE *)buffer,
&bytesRequired
);
if( SUCCEEDED(result) ) {
break;
}
if( result != RETURNCODETOHRESULT( ERROR_INSUFFICIENT_BUFFER ) ) {
break;
}
bufferLength = bytesRequired;
}
if( SUCCEEDED(result) ) {
*Data = (METADATA_GETALL_RECORD *)buffer;
} else if( buffer != NULL ) {
MdpFreeMem( buffer );
}
return result;
} // MdGetAllMetaData
HRESULT
MdFreeMetaDataBuffer(
IN VOID * Data
)
{
MdpFreeMem( Data );
return NO_ERROR;
} // MdFreeMetaDataBuffer
//
// Private functions.
//