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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"
static DWORD ofsThisContact, ofsDestPrevContact;
static DWORD contactCount;
static DWORD ofsDestThis, ofsNextContact;
static int phase;
static DBContact dbc;
int CDb3Base::WorkContactChain(int firstTime)
{
int first = 0;
int ret;
if (firstTime) {
cb->pfnAddLogMessage(STATUS_MESSAGE, TranslateT("Processing contact chain"));
ofsDestPrevContact = 0;
ofsThisContact = m_dbHeader.ofsFirstContact;
contactCount = 0;
m_dbHeader.ofsFirstContact = 0;
phase = 0;
}
switch (phase) {
case 0:
if (ofsThisContact == 0) {
LBL_FinishUp:
if (contactCount != m_dbHeader.contactCount)
cb->pfnAddLogMessage(STATUS_WARNING, TranslateT("Contact count marked wrongly: correcting"));
m_dbHeader.contactCount = contactCount;
return ERROR_NO_MORE_ITEMS;
}
if (!SignatureValid(ofsThisContact, DBCONTACT_SIGNATURE)) {
cb->pfnAddLogMessage(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 (!cb->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
m_dbHeader.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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