/**
Set the last block number of the block range list. It
removes all the blocks after the Last. MTFTP initialize the
block range to the maximum possible range, such as [0, 0xffff]
for WRQ. When it gets the last block number, it calls
this function to set the last block number.
@param[in] Head The block range list.
@param[in] Last The last block number.
**/
VOID
Mtftp6SetLastBlockNum (
IN LIST_ENTRY *Head,
IN UINT16 Last
)
{
MTFTP6_BLOCK_RANGE *Range;
//
// Iterate from the tail to head to remove the block number
// after the last.
//
while (!IsListEmpty (Head)) {
Range = NET_LIST_TAIL (Head, MTFTP6_BLOCK_RANGE, Link);
if (Range->Start > Last) {
RemoveEntryList (&Range->Link);
FreePool (Range);
continue;
}
if (Range->End > Last) {
Range->End = Last;
}
return ;
}
}
VOID
Mtftp4SetLastBlockNum (
IN NET_LIST_ENTRY *Head,
IN UINT16 Last
)
/*++
Routine Description:
Set the last block number of the block range list. It will
remove all the blocks after the Last. MTFTP initialize the
block range to the maximum possible range, such as [0, 0xffff]
for WRQ. When it gets the last block number, it will call
this function to set the last block number.
Arguments:
Head - The block range list
Last - The last block number
Returns:
None
--*/
{
MTFTP4_BLOCK_RANGE *Range;
//
// Iterate from the tail to head to remove the block number
// after the last.
//
while (!NetListIsEmpty (Head)) {
Range = NET_LIST_TAIL (Head, MTFTP4_BLOCK_RANGE, Link);
if (Range->Start > Last) {
NetListRemoveEntry (&Range->Link);
NetFreePool (Range);
continue;
}
if (Range->End > Last) {
Range->End = Last;
}
return ;
}
}
