author | erik <erik> | 2007-02-08 01:45:16 (UTC) |
---|---|---|
committer | erik <erik> | 2007-02-08 01:45:16 (UTC) |
commit | 2e497f7cae45184184e2416114887095735958f5 (patch) (side-by-side diff) | |
tree | a6b399d9bce5854dc7ad6c985b48965cf20680b0 /noncore | |
parent | 853b61f97e718359bef95147ab3c7beb0705acda (diff) | |
download | opie-2e497f7cae45184184e2416114887095735958f5.zip opie-2e497f7cae45184184e2416114887095735958f5.tar.gz opie-2e497f7cae45184184e2416114887095735958f5.tar.bz2 |
Each file in this commit has a problem where it is possible to dereference
a pointer without that pointer being valid. This commit fixes each instance
of that.
-rw-r--r-- | noncore/apps/opie-write/qrichtext.cpp | 69 | ||||
-rw-r--r-- | noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp | 3 | ||||
-rw-r--r-- | noncore/settings/packagemanager/oipkgconfigdlg.cpp | 6 |
3 files changed, 53 insertions, 25 deletions
diff --git a/noncore/apps/opie-write/qrichtext.cpp b/noncore/apps/opie-write/qrichtext.cpp index f040f1e..768da44 100644 --- a/noncore/apps/opie-write/qrichtext.cpp +++ b/noncore/apps/opie-write/qrichtext.cpp @@ -184,19 +184,22 @@ QTextDeleteCommand::~QTextDeleteCommand() text[ i ].format()->removeRef(); } text.resize( 0 ); } QTextCursor *QTextDeleteCommand::execute( QTextCursor *c ) { QTextParagraph *s = doc ? doc->paragAt( id ) : parag; - if ( !s ) { + if ( !s && doc ) { owarn << "can't locate parag at " << id << ", last parag: " << doc->lastParagraph()->paragId() << "" << oendl; return 0; + } else if ( !doc ) { + owarn << "No valid doc" << oendl; + return 0; } cursor.setParagraph( s ); cursor.setIndex( index ); int len = text.size(); if ( c ) *c = cursor; if ( doc ) { @@ -212,32 +215,38 @@ QTextCursor *QTextDeleteCommand::execute( QTextCursor *c ) } return c; } QTextCursor *QTextDeleteCommand::unexecute( QTextCursor *c ) { QTextParagraph *s = doc ? doc->paragAt( id ) : parag; - if ( !s ) { + if ( !s && doc ) { owarn << "can't locate parag at " << id << ", last parag: " << doc->lastParagraph()->paragId() << "" << oendl; return 0; + } else if ( !doc ) { + owarn << "No valid doc" << oendl; + return 0; } cursor.setParagraph( s ); cursor.setIndex( index ); QString str = QTextString::toString( text ); cursor.insert( str, TRUE, &text ); cursor.setParagraph( s ); cursor.setIndex( index ); if ( c ) { c->setParagraph( s ); c->setIndex( index ); for ( int i = 0; i < (int)text.size(); ++i ) c->gotoNextLetter(); + } else { + owarn << "No valid cursor" << oendl; + return 0; } if ( !styleInformation.isEmpty() ) { QDataStream styleStream( styleInformation, IO_ReadOnly ); int num; styleStream >> num; QTextParagraph *p = s; while ( num-- && p ) { @@ -1387,34 +1396,45 @@ struct Q_EXPORT QTextDocumentTag { } #if defined(Q_FULL_TEMPLATE_INSTANTIATION) bool operator==( const QTextDocumentTag& ) const { return FALSE; } #endif }; -#define NEWPAR do{ if ( !hasNewPar) { \ - if ( !textEditMode && curpar && curpar->length()>1 && curpar->at( curpar->length()-2)->c == QChar_linesep ) \ - curpar->remove( curpar->length()-2, 1 ); \ - curpar = createParagraph( this, curpar, curpar->next() ); styles.append( vec ); vec = 0;} \ - hasNewPar = TRUE; \ - curpar->rtext = TRUE; \ - curpar->align = curtag.alignment; \ - curpar->lstyle = curtag.liststyle; \ - curpar->litem = ( curtag.style->displayMode() == QStyleSheetItem::DisplayListItem ); \ - curpar->str->setDirection( (QChar::Direction)curtag.direction ); \ - space = TRUE; \ - delete vec; vec = new QPtrVector<QStyleSheetItem>( (uint)tags.count() + 1); \ - int i = 0; \ - for ( QValueStack<QTextDocumentTag>::Iterator it = tags.begin(); it != tags.end(); ++it ) \ - vec->insert( i++, (*it).style ); \ - vec->insert( i, curtag.style ); \ - }while(FALSE) - +#define NEWPAR do { \ + if ( !hasNewPar) { \ + if ( !curpar ) { \ + owarn << "no current paragraph" << oendl; \ + return; \ + } \ + if ( !textEditMode && curpar && curpar->length()>1 && curpar->at( curpar->length()-2)->c == QChar_linesep ) \ + curpar->remove( curpar->length()-2, 1 ); \ + curpar = createParagraph( this, curpar, curpar->next() ); styles.append( vec ); \ + if ( !curpar ) { \ + owarn << "failed in creating a new paragraph" << oendl; \ + return; \ + } \ + vec = 0; \ + } \ + hasNewPar = TRUE; \ + curpar->rtext = TRUE; \ + curpar->align = curtag.alignment; \ + curpar->lstyle = curtag.liststyle; \ + curpar->litem = ( curtag.style->displayMode() == QStyleSheetItem::DisplayListItem ); \ + curpar->str->setDirection( (QChar::Direction)curtag.direction ); \ + space = TRUE; \ + delete vec; \ + vec = new QPtrVector<QStyleSheetItem>( (uint)tags.count() + 1); \ + int i = 0; \ + for ( QValueStack<QTextDocumentTag>::Iterator it = tags.begin(); it != tags.end(); ++it ) \ + vec->insert( i++, (*it).style ); \ + vec->insert( i, curtag.style ); \ + } while ( FALSE ) void QTextDocument::setRichText( const QString &text, const QString &context ) { if ( !context.isEmpty() ) setContext( context ); clear(); fParag = lParag = createParagraph( this ); oTextValid = TRUE; @@ -1890,18 +1910,21 @@ void QTextDocument::setRichTextMarginsInternal( QPtrList< QPtrVector<QStyleSheet stylesPar = stylesPar->next(); prevStyle = curStyle; curStyle = nextStyle; nextStyle = styles.next(); continue; } int i, mar; - QStyleSheetItem* mainStyle = curStyle->size() ? (*curStyle)[curStyle->size()-1] : 0; - if ( mainStyle && mainStyle->displayMode() == QStyleSheetItem::DisplayListItem ) + QStyleSheetItem* mainStyle = (*curStyle)[curStyle->size()-1]; + if ( !mainStyle ) + return; + + if ( mainStyle->displayMode() == QStyleSheetItem::DisplayListItem ) stylesPar->setListItem( TRUE ); int numLists = 0; for ( i = 0; i < (int)curStyle->size(); ++i ) { if ( (*curStyle)[ i ]->displayMode() == QStyleSheetItem::DisplayBlock && int((*curStyle)[ i ]->listStyle()) != QStyleSheetItem::Undefined ) numLists++; } stylesPar->ldepth = numLists; @@ -5336,17 +5359,17 @@ int QTextFormatterBreakWords::format( QTextDocument *doc, QTextParagraph *parag, QPainter *painter = QTextFormat::painter(); int col = 0; int ww = 0; QChar lastChr; for ( ; i < len; ++i, ++col ) { if ( c ) lastChr = c->c; // ### next line should not be needed - if ( painter ) + if ( c && painter ) c->format()->setPainter( painter ); c = &string->at( i ); c->rightToLeft = FALSE; if ( i > 0 && (x > curLeft || ww == 0) || lastWasNonInlineCustom ) { c->lineStart = 0; } else { c->lineStart = 1; firstChar = c; diff --git a/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp b/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp index 9069c09..3fd877f 100644 --- a/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp +++ b/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp @@ -290,16 +290,19 @@ UUIDVector OTSDPAttribute::getAllUUIDs() { AttributeVector * subAttributes = 0 ; if (getType() == SEQUENCE) { subAttributes = getSequence(); } else if (getType() == ALTERNATIVE) { subAttributes = getAlternative(); } + if (!subAttributes) + return 0; + int os; for( unsigned int i = 0; i < subAttributes->count(); i++ ) { UUIDVector subUUIDs = (*subAttributes)[i]->getAllUUIDs(); os = uuids.size(); uuids.resize( uuids.size()+subUUIDs.count() ); for( unsigned int k = 0; k < subUUIDs.count(); k++ ) { diff --git a/noncore/settings/packagemanager/oipkgconfigdlg.cpp b/noncore/settings/packagemanager/oipkgconfigdlg.cpp index d014378..78a18f7 100644 --- a/noncore/settings/packagemanager/oipkgconfigdlg.cpp +++ b/noncore/settings/packagemanager/oipkgconfigdlg.cpp @@ -431,31 +431,33 @@ void OIpkgConfigDlg::initData() default : break; }; } } } } // Get Ipkg execution options - int options = m_ipkg->ipkgExecOptions(); + int options = 0; + if ( m_ipkg ) + options = m_ipkg->ipkgExecOptions(); if ( options & FORCE_DEPENDS ) m_optForceDepends->setChecked( true ); if ( options & FORCE_REINSTALL ) m_optForceReinstall->setChecked( true ); if ( options & FORCE_REMOVE ) m_optForceRemove->setChecked( true ); if ( options & FORCE_OVERWRITE ) m_optForceOverwrite->setChecked( true ); if ( options & FORCE_RECURSIVE ) m_optForceRecursive->setChecked( true ); if ( options & FORCE_VERBOSE_WGET ) m_optVerboseWget->setChecked( true ); - m_optVerboseIpkg->setCurrentItem( m_ipkg->ipkgExecVerbosity() ); + m_optVerboseIpkg->setCurrentItem( ( m_ipkg ? m_ipkg->ipkgExecVerbosity() : 0 ) ); } void OIpkgConfigDlg::slotServerSelected( int index ) { m_serverCurrent = index; // Enable Edit and Delete buttons m_serverEditBtn->setEnabled( true ); |