Make flate decode functions' buffer out parameter unique_ptrs.

Change-Id: Idb14846e87a8287dd911b0a2f7a32146e86c2af7
Reviewed-on: https://pdfium-review.googlesource.com/41853
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 4 insertions, 6 deletions

diff --git a/xfa/fxfa/parser/cxfa_localemgr.cpp b/xfa/fxfa/parser/cxfa_localemgr.cpp
index 55ba04bbb0..fc3b1ce9cb 100644
--- a/xfa/fxfa/parser/cxfa_localemgr.cpp
+++ b/xfa/fxfa/parser/cxfa_localemgr.cpp
@@ -1071,17 +1071,15 @@ std::unique_ptr<LocaleIface> GetLocaleFromBuffer(
   if (src_span.empty())
     return nullptr;
 
-  uint8_t* pOut = nullptr;
+  std::unique_ptr<uint8_t, FxFreeDeleter> output;
   uint32_t dwSize;
   CCodec_ModuleMgr* pCodecMgr = CPDF_ModuleMgr::Get()->GetCodecModule();
   pCodecMgr->GetFlateModule()->FlateOrLZWDecode(false, src_span, true, 0, 0, 0,
-                                                0, 0, &pOut, &dwSize);
-  if (!pOut)
+                                                0, 0, &output, &dwSize);
+  if (!output)
     return nullptr;
 
-  auto locale = CXFA_XMLLocale::Create(pdfium::make_span(pOut, dwSize));
-  FX_Free(pOut);
-  return locale;
+  return CXFA_XMLLocale::Create(pdfium::make_span(output.get(), dwSize));
 }
 
 uint16_t GetLanguage(WideString wsLanguage) {