Update qtwidget.cpp

fix building error "ordered comparison between pointer and zero"
torch · Jun 8, 2018 · 7c018f3 · 7c018f3
1 parent 1eee417
commit 7c018f3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/qtwidget/qtwidget.cpp b/packages/qtwidget/qtwidget.cpp
@@ -38,8 +38,8 @@
 static QMetaEnum 
 f_enumerator(const char *s, const QMetaObject *mo)
 {
-  int index = mo->indexOfEnumerator(s);
-  if (mo >= 0)
+  int index = (mo) ? mo->indexOfEnumerator(s) : -1;
+  if (index >= 0)
     return mo->enumerator(index);
   return QMetaEnum();
 }