Xic: Fixed bug, press/hold button 3 in drawing window, move pointer

out of Xic and release -> seg. fault.
wrcad · Apr 27, 2020 · 37d0aeb · 37d0aeb
1 parent 6a52dc7
commit 37d0aeb
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/xic/src/main/events.cc b/xic/src/main/events.cc
@@ -940,14 +940,14 @@ cEventHdlr::ZoomPress(WindowDesc *wdesc, int x, int y, int state)
 void
 cEventHdlr::ZoomRelease(WindowDesc *wdesc, int x, int y, int state)
 {
-    if (!ZoomCmd)
+    if (!ZoomCmd || !wdesc)
         return;
     WindowDesc *initdesc = DSP()->Windesc(ZoomCmd->InitId);
     if (!initdesc) {
         initdesc = wdesc;
        ZoomCmd->InitId = wdesc->WindowId();
     }
-    if (UpTimer() || !wdesc || !wdesc->IsSimilar(initdesc))
+    if (UpTimer() || !wdesc->IsSimilar(initdesc))
         return;
     if (!ZoomCmd->DidMark && (state & (GR_SHIFT_MASK | GR_CONTROL_MASK))) {
         wdesc->PToL(x, y, x, y);