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/*
Miranda Database Tool
Copyright (C) 2001-2005 Richard Hughes
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "..\commonheaders.h"
int WorkSettingsChain(DWORD ofsContact,DBContact *dbc,int firstTime);
int WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime);
static DWORD ofsThisContact,ofsDestPrevContact;
static DWORD contactCount;
static DWORD ofsDestThis,ofsNextContact;
static int phase;
static DBContact dbc;
int WorkContactChain(int firstTime)
{
int first = 0;
int ret;
if (firstTime) {
AddToStatus(STATUS_MESSAGE,TranslateT("Processing contact chain"));
ofsDestPrevContact = 0;
ofsThisContact = dbhdr.ofsFirstContact;
contactCount = 0;
dbhdr.ofsFirstContact = 0;
phase = 0;
}
switch(phase) {
case 0:
if (ofsThisContact == 0) {
LBL_FinishUp:
if (contactCount != dbhdr.contactCount)
AddToStatus(STATUS_WARNING,TranslateT("Contact count marked wrongly: correcting"));
dbhdr.contactCount = contactCount;
return ERROR_NO_MORE_ITEMS;
}
if (!SignatureValid(ofsThisContact,DBCONTACT_SIGNATURE)) {
AddToStatus(STATUS_ERROR,TranslateT("Contact chain corrupted, further entries ignored"));
goto LBL_FinishUp;
}
if (ReadSegment(ofsThisContact,&dbc,sizeof(dbc)) != ERROR_SUCCESS)
goto LBL_FinishUp;
ofsNextContact = dbc.ofsNext;
dbc.ofsNext = 0;
if (!opts.bCheckOnly) {
if ((ofsDestThis = WriteSegment(WSOFS_END,&dbc,sizeof(dbc))) == WS_ERROR)
return ERROR_HANDLE_DISK_FULL;
if (ofsDestPrevContact)
WriteSegment(ofsDestPrevContact+offsetof(DBContact,ofsNext),&ofsDestThis,sizeof(DWORD));
else
dbhdr.ofsFirstContact = ofsDestThis;
} else
ofsDestThis = ofsThisContact; // needed in event chain worker
contactCount++;
phase++; first = 1;
//fall thru
case 1:
ret = WorkSettingsChain(ofsDestThis,&dbc,first);
if (ret == ERROR_NO_MORE_ITEMS) {
phase++; first = 1;
}
else if (ret) return ret;
else break;
//fall thru
case 2:
ret = WorkEventChain(ofsDestThis,&dbc,first);
if (ret == ERROR_NO_MORE_ITEMS) {
phase++; first = 1;
}
else if (ret) return ret;
else break;
//fall thru
case 3:
if (WriteSegment(ofsDestThis,&dbc,sizeof(DBContact)) == WS_ERROR)
return ERROR_HANDLE_DISK_FULL;
ofsDestPrevContact = ofsDestThis;
ofsThisContact = ofsNextContact;
phase = 0;
break;
}
return ERROR_SUCCESS;
}
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