scwfntqueue.c

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/*__________________________________________________________________________
 Copyright (C) 2002 PGP Corporation
 All rights reserved.
 
 $Id: SCwfNTqueue.c,v 1.3 2002/11/09 04:26:16 wjb Exp $
__________________________________________________________________________*/
#include "precomp.h"

SMQUEUE *InitSMQueue(int delay)
{
	SMQUEUE *smq;
	int memamt;

	smq=(SMQUEUE *)malloc(sizeof(SMQUEUE));
	memset(smq,0x00,sizeof(SMQUEUE));
	smq->delay=delay;
	smq->smqmax=delay+100;

	memamt=smq->smqmax*sizeof(SLACKMOVE);

	smq->sm=(SLACKMOVE *)malloc(memamt);
	memset(smq->sm,0x00,memamt);

	return smq;
}

void DestroySMQueue(SMQUEUE *smq)
{
	// Free up memory
	while(smq->length!=0)
	{
		free(smq->sm[smq->start].name);
		smq->length--;
		smq->start=(smq->start+1)%(smq->smqmax);
	}

	free(smq->sm);
	free(smq);
}

BOOL PutSMOnQueue(SMQUEUE *smq,SLACKMOVE *sm)
{
	if(smq->length==smq->smqmax)
		return FALSE;

	smq->sm[smq->end].name=sm->name;
	smq->sm[smq->end].Vcn=sm->Vcn;
	smq->sm[smq->end].Orig=sm->Orig;
	smq->sm[smq->end].Size=sm->Size;
	smq->length++;
	smq->end=(smq->end+1)%(smq->smqmax);

	return TRUE;
}

BOOL GetSMOffQueue(SMQUEUE *smq,SLACKMOVE *sm,BOOL bCleanup)
{
	if((smq->length<smq->delay)&&(!bCleanup))
		return FALSE;

	if(smq->length==0)
		return FALSE;

	sm->name=smq->sm[smq->start].name;
	sm->Vcn=smq->sm[smq->start].Vcn;
	sm->Orig=smq->sm[smq->start].Orig;
	sm->Size=smq->sm[smq->start].Size;

	smq->length--;
	smq->start=(smq->start+1)%(smq->smqmax);

	return TRUE;
}

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