author | erik <erik> | 2007-01-24 19:54:07 (UTC) |
---|---|---|
committer | erik <erik> | 2007-01-24 19:54:07 (UTC) |
commit | 89e81059e832ff77c2f0ac8b9db12f80eafa03fc (patch) (side-by-side diff) | |
tree | 99a130fc643d2aeefdecab452f644e7b61a5f50e /noncore | |
parent | 035bbc5bf689839c8d8e7be37f347b0dd900fccf (diff) | |
download | opie-89e81059e832ff77c2f0ac8b9db12f80eafa03fc.zip opie-89e81059e832ff77c2f0ac8b9db12f80eafa03fc.tar.gz opie-89e81059e832ff77c2f0ac8b9db12f80eafa03fc.tar.bz2 |
Each file in this commit has an instance where a pointer is checked at
one point in the code and then not checked in another point in the code.
If it needed to be checked once, it needs to be checked the other time. If not
the application could segfault.
-rw-r--r-- | noncore/applets/pcmcia/pcmcia.cpp | 6 | ||||
-rw-r--r-- | noncore/apps/checkbook/mainwindow.cpp | 3 | ||||
-rw-r--r-- | noncore/apps/opie-console/procctl.cpp | 3 | ||||
-rw-r--r-- | noncore/apps/tinykate/libkate/document/katedocument.cpp | 63 | ||||
-rw-r--r-- | noncore/settings/sysinfo/devicesinfo.cpp | 2 | ||||
-rw-r--r-- | noncore/todayplugins/stockticker/libstocks/http.c | 2 |
6 files changed, 44 insertions, 35 deletions
diff --git a/noncore/applets/pcmcia/pcmcia.cpp b/noncore/applets/pcmcia/pcmcia.cpp index 187adc6..c639002 100644 --- a/noncore/applets/pcmcia/pcmcia.cpp +++ b/noncore/applets/pcmcia/pcmcia.cpp @@ -231,16 +231,22 @@ void PcmciaManager::cardMessage( const QCString & msg, const QByteArray & ) odebug << "pcmcia: we have seen this card before" << oendl; executeAction( theCard, "insert" ); break; } } if ( !newCard ) ++it; else break; } } + + if ( !theCard ) { + owarn << "pcmcia: Finished working through cards in PCMCIA system but I do not have a valid card handle" << oendl; + return; + } + if ( newCard ) { odebug << "pcmcia: unconfigured card detected" << oendl; QString newCardName = theCard->productIdentity(); int result = QMessageBox::information( qApp->desktop(), tr( "PCMCIA/CF Subsystem" ), tr( "<qt>You have inserted the card<br/><b>%1</b><br/>This card is not yet configured. Do you want to configure it now?</qt>" ).arg( newCardName ), tr( "Yes" ), tr( "No" ), 0, 0, 1 ); diff --git a/noncore/apps/checkbook/mainwindow.cpp b/noncore/apps/checkbook/mainwindow.cpp index d9e2047..8e2e2e3 100644 --- a/noncore/apps/checkbook/mainwindow.cpp +++ b/noncore/apps/checkbook/mainwindow.cpp @@ -238,16 +238,17 @@ void MainWindow::slotEdit() return; openBook( curritem ); } // --- openBook --------------------------------------------------------------- void MainWindow::openBook(QListViewItem *curritem) { + if ( !curritem ) return; // find book in List QString currname=curritem->text(posName); CBInfo *cb = checkbooks->first(); while ( cb ) { if ( cb->name() == currname ) break; cb = checkbooks->next(); } @@ -272,20 +273,18 @@ void MainWindow::openBook(QListViewItem *curritem) _cfg.setLastBook( currname ); Checkbook *currcb = new Checkbook( this, cb, &_cfg ); if ( QPEApplication::execDialog( currcb ) == QDialog::Accepted ) { QString newname = cb->name(); if ( currname != newname ) { // Update name if changed - if( curritem ) { curritem->setText( posName, newname ); cbList->sort(); - } _cfg.setLastBook( newname ); // Remove old file QFile f( tempFilename ); if ( f.exists() ) f.remove(); // Get new filename diff --git a/noncore/apps/opie-console/procctl.cpp b/noncore/apps/opie-console/procctl.cpp index a44529b..5239e26 100644 --- a/noncore/apps/opie-console/procctl.cpp +++ b/noncore/apps/opie-console/procctl.cpp @@ -44,17 +44,20 @@ void ProcCtl::remove( pid_t pi ) { return; } con = m_last; ProcContainer* forw = 0l; while (con ) { /* remove it */ if ( pi == con->pid ) { + if (forw) forw->prev = con->prev; + else + forw = con->prev; delete con; return; } forw = con; con = con->prev; } diff --git a/noncore/apps/tinykate/libkate/document/katedocument.cpp b/noncore/apps/tinykate/libkate/document/katedocument.cpp index b82a86a..692fd46 100644 --- a/noncore/apps/tinykate/libkate/document/katedocument.cpp +++ b/noncore/apps/tinykate/libkate/document/katedocument.cpp @@ -2010,17 +2010,17 @@ void KateDocument::paintTextLine(QPainter &paint, int line, int xStart, int xEnd void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, int xEnd, bool showTabs) { TextLine::Ptr textLine; int len; const QChar *s; int z, x; QChar ch; - Attribute *a = 0L; + Attribute *attrptr = 0L; int attr, nextAttr; int xs; int xc, zc; if (line > lastLine()) { paint.fillRect(0, y, xEnd - xStart,fontHeight, colors[0]); return; } @@ -2035,23 +2035,23 @@ void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, i do { xc = x; zc = z; if (z == len) break; ch = s[z];//textLine->getChar(z); if (ch == '\t') { x += m_tabWidth - (x % m_tabWidth); } else { - a = &m_attribs[textLine->getAttr(z)]; + attrptr = &m_attribs[textLine->getAttr(z)]; - if (a->bold && a->italic) + if (attrptr->bold && attrptr->italic) x += myFontMetricsBI.width(ch); - else if (a->bold) + else if (attrptr->bold) x += myFontMetricsBold.width(ch); - else if (a->italic) + else if (attrptr->italic) x += myFontMetricsItalic.width(ch); else x += myFontMetrics.width(ch); } z++; } while (x <= xStart); // draw background @@ -2074,23 +2074,23 @@ void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, i if (z == len) break; ch = s[z];//textLine->getChar(z); if (ch == '\t') x += m_tabWidth - (x % m_tabWidth); else { - a = &m_attribs[textLine->getAttr(z)]; + attrptr = &m_attribs[textLine->getAttr(z)]; - if (a->bold && a->italic) + if (attrptr->bold && attrptr->italic) x += myFontMetricsBI.width(ch); - else if (a->bold) + else if (attrptr->bold) x += myFontMetricsBold.width(ch); - else if (a->italic) + else if (attrptr->italic) x += myFontMetricsItalic.width(ch); else x += myFontMetrics.width(ch); } z++; } if (attr & taSelected) @@ -2109,82 +2109,80 @@ void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, i ch = s[z];//textLine->getChar(z); if (ch == '\t') { if (z > zc) { //this should cause no copy at all QConstString str((QChar *) &s[zc], z - zc /*+1*/); QString s = str.string(); paint.drawText(x - xStart, y, s); - if (a->bold && a->italic) + if (attrptr && attrptr->bold && attrptr->italic) x += myFontMetricsBI.width(s); - else if (a->bold) + else if (attrptr && attrptr->bold) x += myFontMetricsBold.width(s); - else if (a->italic) + else if (attrptr && attrptr->italic) x += myFontMetricsItalic.width(s); else x += myFontMetrics.width(s); } zc = z +1; if (showTabs) { nextAttr = textLine->getRawAttr(z); if (nextAttr != attr) { attr = nextAttr; - a = &m_attribs[attr & taAttrMask]; + attrptr = &m_attribs[attr & taAttrMask]; - if (attr & taSelected) paint.setPen(a->selCol); - else paint.setPen(a->col); + if (attr & taSelected) paint.setPen(attrptr->selCol); + else paint.setPen(attrptr->col); - if (a->bold && a->italic) + if (attrptr->bold && attrptr->italic) paint.setFont(myFontBI); - else if (a->bold) + else if (attrptr->bold) paint.setFont(myFontBold); - else if (a->italic) + else if (attrptr->italic) paint.setFont(myFontItalic); else paint.setFont(myFont); } -// paint.drawLine(x - xStart, y -2, x - xStart, y); -// paint.drawLine(x - xStart, y, x - xStart + 2, y); paint.drawPoint(x - xStart, y); paint.drawPoint(x - xStart +1, y); paint.drawPoint(x - xStart, y -1); } x += m_tabWidth - (x % m_tabWidth); } else { nextAttr = textLine->getRawAttr(z); if (nextAttr != attr) { if (z > zc) { QConstString str((QChar *) &s[zc], z - zc /*+1*/); QString s = str.string(); paint.drawText(x - xStart, y, s); - if (a->bold && a->italic) + if (attrptr->bold && attrptr->italic) x += myFontMetricsBI.width(s); - else if (a->bold) + else if (attrptr->bold) x += myFontMetricsBold.width(s); - else if (a->italic) + else if (attrptr->italic) x += myFontMetricsItalic.width(s); else x += myFontMetrics.width(s); zc = z; } attr = nextAttr; - a = &m_attribs[attr & taAttrMask]; + attrptr = &m_attribs[attr & taAttrMask]; - if (attr & taSelected) paint.setPen(a->selCol); - else paint.setPen(a->col); + if (attr & taSelected) paint.setPen(attrptr->selCol); + else paint.setPen(attrptr->col); - if (a->bold && a->italic) + if (attrptr->bold && attrptr->italic) paint.setFont(myFontBI); - else if (a->bold) + else if (attrptr->bold) paint.setFont(myFontBold); - else if (a->italic) + else if (attrptr->italic) paint.setFont(myFontItalic); else paint.setFont(myFont); } } z++; } if (z > zc) { @@ -2222,17 +2220,19 @@ bool KateDocument::doSearch(SConfig &sc, const QString &searchFor) { while (line <= searchEnd) { textLine = getTextLine(line); tlen = textLine->length(); if (tlen > bufLen) { delete [] t; bufLen = (tlen + 255) & (~255); t = new QChar[bufLen]; - } + } else if (!t) + t = new QChar[bufLen]; + memcpy(t, textLine->getText(), tlen*sizeof(QChar)); if (sc.flags & KateView::sfSelected) { pos = 0; do { pos = textLine->findSelected(pos); newPos = textLine->findUnselected(pos); memset(&t[pos], 0, (newPos - pos)*sizeof(QChar)); pos = newPos; @@ -2283,17 +2283,18 @@ bool KateDocument::doSearch(SConfig &sc, const QString &searchFor) { while (line >= searchEnd) { textLine = getTextLine(line); tlen = textLine->length(); if (tlen > bufLen) { delete [] t; bufLen = (tlen + 255) & (~255); t = new QChar[bufLen]; - } + } else if (!t) + t = new QChar[bufLen]; memcpy(t, textLine->getText(), tlen*sizeof(QChar)); if (sc.flags & KateView::sfSelected) { pos = 0; do { pos = textLine->findSelected(pos); newPos = textLine->findUnselected(pos); memset(&t[pos], 0, (newPos - pos)*sizeof(QChar)); pos = newPos; diff --git a/noncore/settings/sysinfo/devicesinfo.cpp b/noncore/settings/sysinfo/devicesinfo.cpp index 164d608..428cfd4 100644 --- a/noncore/settings/sysinfo/devicesinfo.cpp +++ b/noncore/settings/sysinfo/devicesinfo.cpp @@ -260,17 +260,17 @@ void UsbCategory::populate() } else { odebug << "adding new dev" << oendl; dev = new UsbDevice( lastDev, QString( "Generic USB Hub Device" ) ); lastDev = dev; } } - else if ( line.startsWith( "S: Product" ) ) + else if ( dev && line.startsWith( "S: Product" ) ) { int dp = line.find( '=' ); dev->setText( 0, dp != -1 ? line.right( line.length()-1-dp ) : "<unknown>" ); } else { continue; } diff --git a/noncore/todayplugins/stockticker/libstocks/http.c b/noncore/todayplugins/stockticker/libstocks/http.c index 2f38f8a..cc78ab7 100644 --- a/noncore/todayplugins/stockticker/libstocks/http.c +++ b/noncore/todayplugins/stockticker/libstocks/http.c @@ -205,17 +205,17 @@ libstocks_return_code http_get(char *http_file, char *http_server, char **pdata) /* get headers to test status line */ /* and to split headers and content */ temp = data; header_founded = 0; while( !header_founded ) { - if (*temp==0) return ERRRHEA; + if (!temp || *temp==0) return ERRRHEA; if( *temp==0x0A ) { /* test if it is the header end */ temp ++; if (*temp == 0x0D) temp++; if (*temp == 0x0A) header_founded = 1; } |