3 files changed, 33 insertions, 0 deletions
diff --git a/core/src/fxcrt/fx_basic_buffer.cpp b/core/src/fxcrt/fx_basic_buffer.cpp
index 9578653019..f623d995c7 100644
--- a/core/src/fxcrt/fx_basic_buffer.cpp
+++ b/core/src/fxcrt/fx_basic_buffer.cpp
@@ -19,6 +19,8 @@ CFX_BinaryBuf::CFX_BinaryBuf(FX_STRSIZE size)
   m_pBuffer.reset(FX_Alloc(uint8_t, size));
 }
 
+CFX_BinaryBuf::~CFX_BinaryBuf() {}
+
 void CFX_BinaryBuf::Delete(int start_index, int count) {
   if (!m_pBuffer || start_index < 0 || count < 0 || count > m_DataSize ||
       start_index > m_DataSize - count) {
@@ -364,6 +366,8 @@ FX_DWORD CFX_BitStream::GetBits(FX_DWORD nBits) {
 CFX_FileBufferArchive::CFX_FileBufferArchive()
     : m_Length(0), m_pFile(nullptr) {}
 
+CFX_FileBufferArchive::~CFX_FileBufferArchive() {}
+
 void CFX_FileBufferArchive::Clear() {
   m_Length = 0;
   m_pBuffer.reset();
diff --git a/core/src/fxcrt/fx_basic_util.cpp b/core/src/fxcrt/fx_basic_util.cpp
index 7228af1a8a..2422212d59 100644
--- a/core/src/fxcrt/fx_basic_util.cpp
+++ b/core/src/fxcrt/fx_basic_util.cpp
@@ -16,6 +16,8 @@
 #include <direct.h>
 #endif
 
+CFX_PrivateData::CFX_PrivateData() {}
+
 CFX_PrivateData::~CFX_PrivateData() {
   ClearAll();
 }
diff --git a/core/src/fxcrt/fxcrt_stream.cpp b/core/src/fxcrt/fxcrt_stream.cpp
new file mode 100644
index 0000000000..2f50153e9e
--- /dev/null
+++ b/core/src/fxcrt/fxcrt_stream.cpp
@@ -0,0 +1,27 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/include/fxcrt/fx_stream.h"
+
+FX_BOOL IFX_FileWrite::WriteBlock(const void* pData, size_t size) {
+  return WriteBlock(pData, GetSize(), size);
+}
+
+FX_BOOL IFX_FileRead::IsEOF() {
+  return FALSE;
+}
+
+FX_FILESIZE IFX_FileRead::GetPosition() {
+  return 0;
+}
+
+size_t IFX_FileRead::ReadBlock(void* buffer, size_t size) {
+  return 0;
+}
+
+FX_BOOL IFX_FileStream::WriteBlock(const void* buffer, size_t size) {
+  return WriteBlock(buffer, GetSize(), size);
+}