hack to get rig of segfaults after reading </DATEBOOK>

1 files changed, 2 insertions, 1 deletions

diff --git a/library/datebookdb.cpp b/library/datebookdb.cpp
index 2ac9a0c..a26fe8f 100644
--- a/library/datebookdb.cpp
+++ b/library/datebookdb.cpp
@@ -544,385 +544,386 @@ QValueList<EffectiveEvent> DateBookDB::getEffectiveEvents( const QDate &from,
                 QDate endDate = startDate.addDays( duration );
 
                 while ( sub_it <= endDate && sub_it  <= to ) {
                     EffectiveEvent tmpEffEv = effEv;
                     Event tmpEv = *it;
                     tmpEffEv.setEvent( tmpEv );
 
                     if ( sub_it != startDate )
                         tmpEffEv.setStart( QTime(0,0,0) );
                     if ( sub_it != endDate )
                         tmpEffEv.setEnd( QTime(23,59,59) );
                     tmpEffEv.setDate( sub_it );
                     tmpEffEv.setEffectiveDates( startDate, endDate );
                     tmpList.append( tmpEffEv );
                     sub_it = sub_it.addDays( 1 );
                 }
                 itDate = endDate;
             } else {
                 Event tmpEv = *it;
                 effEv.setEvent( tmpEv );
                 tmpList.append( effEv );
                 itDate = repeat.date().addDays( 1 );
             }
         }
     }
 
     qHeapSort( tmpList );
     return tmpList;
 }
 
 QValueList<EffectiveEvent> DateBookDB::getEffectiveEvents( const QDateTime &dt)
 {
     QValueList<EffectiveEvent> day = getEffectiveEvents(dt.date(), dt.date());
     QValueListConstIterator<EffectiveEvent> it;
     QValueList<EffectiveEvent> tmpList;
     QDateTime dtTmp;
 
     for (it = day.begin(); it != day.end(); ++it ) {
         dtTmp = QDateTime( (*it).date(), (*it).start() );
         // at the moment we don't have second granularity, be nice about that..
         if ( QABS(dt.secsTo(dtTmp)) < 60 )
             tmpList.append( *it );
     }
     return tmpList;
 }
 
 void DateBookDB::addEvent( const Event &ev, bool doalarm )
 {
     // write to the journal...
     saveJournalEntry( ev, ACTION_ADD, -1, false );
     addJFEvent( ev, doalarm );
     d->clean = false;
 }
 
 void DateBookDB::addJFEvent( const Event &ev, bool doalarm )
 {
     if ( doalarm && ev.hasAlarm() )
         addEventAlarm( ev );
     if ( ev.hasRepeat() )
         repeatEvents.append( ev );
     else
         eventList.append( ev );
 }
 
 void DateBookDB::editEvent( const Event &old, Event &editedEv )
 {
     int oldIndex=0;
     bool oldHadRepeat = old.hasRepeat();
     Event orig;
 
     // write to the journal...
     if ( oldHadRepeat ) {
         if ( origRepeat( old, orig ) ) // should work always...
             oldIndex = repeatEvents.findIndex( orig );
     } else
         oldIndex = eventList.findIndex( old );
     saveJournalEntry( editedEv, ACTION_REPLACE, oldIndex, oldHadRepeat );
 
     // Delete old event
     if ( old.hasAlarm() )
         delEventAlarm( old );
     if ( oldHadRepeat ) {
         if ( editedEv.hasRepeat() ) { // This mean that origRepeat was run above and 
                                        // orig is initialized
             // assumption, when someone edits a repeating event, they
             // want to change them all, maybe not perfect, but it works
             // for the moment...
             repeatEvents.remove( orig );
         } else
             removeRepeat( old );
     } else {
         QValueList<Event>::Iterator it = eventList.find( old );
         if ( it != eventList.end() )
             eventList.remove( it );
     }
 
     // Add new event
     if ( editedEv.hasAlarm() )
         addEventAlarm( editedEv );
     if ( editedEv.hasRepeat() )
         repeatEvents.append( editedEv );
     else
         eventList.append( editedEv );
 
     d->clean = false;
 }
 
 void DateBookDB::removeEvent( const Event &ev )
 {
     // write to the journal...
     saveJournalEntry( ev, ACTION_REMOVE, -1, false );
     removeJFEvent( ev );
     d->clean = false;
 }
 
 void DateBookDB::removeJFEvent( const Event&ev )
 {
     if ( ev.hasAlarm() )
         delEventAlarm( ev );
     if ( ev.hasRepeat() ) {
         removeRepeat( ev );
     } else {
         QValueList<Event>::Iterator it = eventList.find( ev );
         if ( it != eventList.end() )
             eventList.remove( it );
     }
 }
 
 // also handles journaling...
 void DateBookDB::loadFile( const QString &strFile )
 {
     
     QFile f( strFile );
     if ( !f.open( IO_ReadOnly ) )
         return;
 
     enum Attribute {
         FDescription = 0,
         FLocation,
         FCategories,
         FUid,
         FType,
         FAlarm,
         FSound,
         FRType,
         FRWeekdays,
         FRPosition,
         FRFreq,
         FRHasEndDate,
         FREndDate,
         FRStart,
         FREnd,
         FNote,
         FCreated,
         FAction,
         FActionKey,
         FJournalOrigHadRepeat
     };
 
     QAsciiDict<int> dict( 97 );
     dict.setAutoDelete( TRUE );
     dict.insert( "description", new int(FDescription) );
     dict.insert( "location", new int(FLocation) );
     dict.insert( "categories", new int(FCategories) );
     dict.insert( "uid", new int(FUid) );
     dict.insert( "type", new int(FType) );
     dict.insert( "alarm", new int(FAlarm) );
     dict.insert( "sound", new int(FSound) );
     dict.insert( "rtype", new int(FRType) );
     dict.insert( "rweekdays", new int(FRWeekdays) );
     dict.insert( "rposition", new int(FRPosition) );
     dict.insert( "rfreq", new int(FRFreq) );
     dict.insert( "rhasenddate", new int(FRHasEndDate) );
     dict.insert( "enddt", new int(FREndDate) );
     dict.insert( "start", new int(FRStart) );
     dict.insert( "end", new int(FREnd) );
     dict.insert( "note", new int(FNote) );
     dict.insert( "created", new int(FCreated) );
     dict.insert( "action", new int(FAction) );
     dict.insert( "actionkey", new int(FActionKey) );
     dict.insert( "actionorig", new int (FJournalOrigHadRepeat) );
 
     
     QByteArray ba = f.readAll();
     char* dt = ba.data();
     int len = ba.size();
     int currentAction,
         journalKey,
         origHadRepeat;  // should be bool, but we need tri-state(not being used)
 
     int i = 0;
     char *point;
-    while ( ( point = strstr( dt+i, "<event " ) ) != 0 ) {
+    // hack to get rid of segfaults after reading </DATEBOOK>
+    while ( (dt+i != 0) && (( point = strstr( dt+i, "<event " ) ) != 0 )) {
         i = point - dt;
         // if we are reading in events in the general case,
         // we are just adding them, so let the actions represent that...
         currentAction = ACTION_ADD;
         journalKey = -1;
         origHadRepeat = -1;
         // some temporary variables for dates and times ...
         //int startY = 0, startM = 0, startD = 0, starth = 0, startm = 0, starts = 0;
         //int endY = 0, endM = 0, endD = 0, endh = 0, endm = 0, ends = 0;
         //int enddtY = 0, enddtM = 0, enddtD = 0;
 
         // ... for the alarm settings ...
         int alarmTime = -1; Event::SoundTypeChoice alarmSound = Event::Silent;
         // ... and for the recurrence
         Event::RepeatPattern rp;
         Event e;
 
         i += 7;
 
         while( 1 ) {
             while ( i < len && (dt[i] == ' ' || dt[i] == '\n' || dt[i] == '\r') )
                 ++i;
             if ( i >= len-2 || (dt[i] == '/' && dt[i+1] == '>') )
                 break;
             // we have another attribute, read it.
             int j = i;
             while ( j < len && dt[j] != '=' )
                 ++j;
             char *attr = dt+i;
             dt[j] = '\0';
             i = ++j; // skip =
             while ( i < len && dt[i] != '"' )
                 ++i;
             j = ++i;
             bool haveAmp = FALSE;
             bool haveUtf = FALSE;
             while ( j < len && dt[j] != '"' ) {
                 if ( dt[j] == '&' )
                     haveAmp = TRUE;
                 if ( ((unsigned char)dt[j]) > 0x7f )
                     haveUtf = TRUE;
                 ++j;
             }
 
             if ( i == j ) {
                 // leave out empty attributes
                 i = j + 1;
                 continue;
             }
 
             QString value = haveUtf ? QString::fromUtf8( dt+i, j-i )
                             : QString::fromLatin1( dt+i, j-i );
             if ( haveAmp )
                 value = Qtopia::plainString( value );
             i = j + 1;
 
             //qDebug("attr='%s' value='%s'", attr.data(), value.latin1() );
             int * find = dict[ attr ];
 #if 1
             if ( !find ) {
                 // custom field
                 e.setCustomField(attr, value);
                 continue;
             }
 
             switch( *find ) {
             case FDescription:
                 e.setDescription( value );
                 break;
             case FLocation:
                 e.setLocation( value );
                 break;
             case FCategories:
                 e.setCategories( Qtopia::Record::idsFromString( value ) );
                 break;
             case FUid:
                 e.setUid( value.toInt() );
                 break;
             case FType:
                 if ( value == "AllDay" )
                     e.setType( Event::AllDay );
                 else
                     e.setType( Event::Normal );
                 break;
             case FAlarm:
                 alarmTime = value.toInt();
                 break;
             case FSound:
                 alarmSound = value == "loud" ? Event::Loud : Event::Silent;
                 break;
                 // recurrence stuff
             case FRType:
                 if ( value == "Daily" )
                     rp.type = Event::Daily;
                 else if ( value == "Weekly" )
                     rp.type = Event::Weekly;
                 else if ( value == "MonthlyDay" )
                     rp.type = Event::MonthlyDay;
                 else if ( value == "MonthlyDate" )
                     rp.type = Event::MonthlyDate;
                 else if ( value == "Yearly" )
                     rp.type = Event::Yearly;
                 else
                     rp.type = Event::NoRepeat;
                 break;
             case FRWeekdays:
                 rp.days = value.toInt();
                 break;
             case FRPosition:
                 rp.position = value.toInt();
                 break;
             case FRFreq:
                 rp.frequency = value.toInt();
                 break;
             case FRHasEndDate:
                 rp.hasEndDate = value.toInt();
                 break;
                 case FREndDate: {
                 rp.endDateUTC = (time_t) value.toLong();
                 break;
                 }
                 case FRStart: {
                 e.setStart( (time_t) value.toLong() );
                 break;
                 }
                 case FREnd: {
                 e.setEnd( (time_t) value.toLong() );
                 break;
                 }
             case FNote:
                 e.setNotes( value );
                 break;
             case FCreated:
                 rp.createTime = value.toInt();
                 break;
             case FAction:
                 currentAction = value.toInt();
                 break;
             case FActionKey:
                 journalKey = value.toInt();
                 break;
             case FJournalOrigHadRepeat:
                 origHadRepeat = value.toInt();
                 break;
             default:
                 qDebug( "huh??? missing enum? -- attr.: %s", attr );
                 break;
             }
 #endif
         }
         // "post processing" (dates, times, alarm, recurrence)
         // start date/time
         e.setRepeat( rp.type != Event::NoRepeat, rp );
 
         if ( alarmTime != -1 )
             e.setAlarm( TRUE, alarmTime, alarmSound );
 
         // now do our action based on the current action...
         switch ( currentAction ) {
         case ACTION_ADD:
             addJFEvent( e );
             break;
         case ACTION_REMOVE:
             removeJFEvent( e );
             break;
         case ACTION_REPLACE:
             // be a little bit careful,
             // in case of a messed up journal...
             if ( journalKey > -1 && origHadRepeat > -1 ) {
                 // get the original from proper list...
                 if ( origHadRepeat )
                     removeJFEvent( *(repeatEvents.at(journalKey)) );
                 else
                     removeJFEvent( *(eventList.at(journalKey)) );
                 addJFEvent( e );
             }
             break;
         default:
             break;
         }
     }
     f.close();
 }
 
 void DateBookDB::init()
 {
     d = new DateBookDBPrivate;
     d->clean = false;
     QString str = dateBookFilename();
     if ( str.isNull() ) {
         QMessageBox::warning( 0, QObject::tr("Out of Space"),
                               QObject::tr("Unable to create start up files\n"