Plug memory leak in __DWriteTextLayoutApplyFont (#1788)

Fixes #1766
microsoft · Jan 24, 2017 · aa8a8d4 · aa8a8d4
1 parent f194201
commit aa8a8d4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Frameworks/CoreText/DWriteWrapper_CoreText.mm b/Frameworks/CoreText/DWriteWrapper_CoreText.mm
@@ -146,7 +146,8 @@ static inline HRESULT __DWriteTextFormatApplyParagraphStyle(const ComPtr<IDWrite
  * Private helper that applies a CTFontRef to an IDWriteTextLayout within the specified range.
  */
 static inline HRESULT __DWriteTextLayoutApplyFont(const ComPtr<IDWriteTextLayout>& textLayout, CTFontRef font, DWRITE_TEXT_RANGE range) {
-    std::shared_ptr<const _DWriteFontProperties> properties = _DWriteGetFontPropertiesFromName(CTFontCopyName(font, kCTFontFullNameKey));
+    auto fontName = woc::MakeAutoCF<CFStringRef>(CTFontCopyName(font, kCTFontFullNameKey));
+    std::shared_ptr<const _DWriteFontProperties> properties = _DWriteGetFontPropertiesFromName(fontName);
     RETURN_IF_FAILED(textLayout->SetFontWeight(properties->weight, range));
     RETURN_IF_FAILED(textLayout->SetFontStretch(properties->stretch, range));
     RETURN_IF_FAILED(textLayout->SetFontStyle(properties->style, range));