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Compression Source Code
Version 1.10 12/01/02 H-15
mParent[s] = mParent[r];
mParent[r] = NIL;
mNext[r] = mAvail;
mAvail = r;
}
STATIC
VOID
GetNextMatch ()
/*++
Routine Description:
Advance the current position (read in new data if needed).
Delete outdated string info. Find a match string for current position.
Arguments: (VOID)
Returns: (VOID)
--*/
{
INT32 n;
mRemainder--;
if (++mPos == WNDSIZ * 2) {
memmove(&mText[0], &mText[WNDSIZ], WNDSIZ + MAXMATCH);
n = FreadCrc(&mText[WNDSIZ + MAXMATCH], WNDSIZ);
mRemainder += n;
mPos = WNDSIZ;
}
DeleteNode();
InsertNode();
}
STATIC
EFI_STATUS
Encode ()
/*++
Routine Description:
The main controlling routine for compression process.
Arguments: (VOID)
Returns:
EFI_SUCCESS - The compression is successful
EFI_OUT_0F_RESOURCES - Not enough memory for compression process
--*/
{
EFI_STATUS Status;
INT32 LastMatchLen;
NODE LastMatchPos;
Status = AllocateMemory();
if (EFI_ERROR(Status)) {
FreeMemory();