Fix potential memory leak for clients of clang_getOverriddenCursors(). If the number...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144595 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index f9a873819a970bff27fba3794d9ca6f52ca375e2..8f4b0471f88dc8a97892b65fa784ef3f8a7e8f9f 100644 (file)
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -5240,6 +5240,10 @@ void clang_getOverriddenCursors(CXCursor cursor,
   SmallVector<CXCursor, 8> Overridden;
   cxcursor::getOverriddenCursors(cursor, Overridden);
 
+  // Don't allocate memory if we have no overriden cursors.
+  if (Overridden.size() == 0)
+    return;
+
   *num_overridden = Overridden.size();
   *overridden = new CXCursor [Overridden.size()];
   std::copy(Overridden.begin(), Overridden.end(), *overridden);