/******************************************************************************
 **
 **	C++ Class Library for the Amiga© system software.
 **
 **	Copyright (C) 1994 by Armin Vogt  **  EMail: armin@uni-paderborn.de
 **	All Rights Reserved.
 **
 **	$Source: apphome:APlusPlus/RCS/libsource/MessageC.cxx,v $
 **	$Revision: 1.4 $
 **	$Date: 1994/05/05 22:09:47 $
 **	$Author: Armin_Vogt $
 **
 ******************************************************************************/


#include <string.h>
#include <APlusPlus/exec/MessageC.h>


volatile static char rcs_id[] = "$Id: MessageC.cxx,v 1.4 1994/05/05 22:09:47 Armin_Vogt Exp Armin_Vogt $";


MessageC::MessageC()
{ 
	memset(this,0,sizeof(*this));
	signRemoved(); mn_Node.ln_Type = NT_FREEMSG; 
}

MessageC::~MessageC() 
{ 
	mn_Node.ln_Type = NT_DEATHMESSAGE; 
}

void MessageC::signRemoved()
{ 
	mn_Node.ln_Succ = mn_Node.ln_Pred = (struct Node*)(struct Message*)this;
}

BOOL MessageC::isRemoved() 
{ 
	return ((NodeC*)this)->isLonelyNode(); 
}

MsgState MessageC::getMsgState()
{
   switch (mn_Node.ln_Type)
   {
      case NT_MESSAGE :

         if (isRemoved()) return MSG_IN_PROCESS; else return MSG_SENT;
         break;

      case NT_REPLYMSG :

         if (isRemoved()) return MSG_FREE; else return MSG_REPLIED;
         break;
   }
   return MSG_FREE;
}

BOOL MessageC::replyMsg() 
{
	if (getMsgState()&MSG_SENT) 
	{
		ReplyMsg(this);
		return TRUE;
	}
	else return FALSE;
}