Switch most min/max macros to std::min/max.

core/src/fxcrt/fx_extension.cpp

 // Copyright 2014 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_basic.h"
 #include "core/include/fxcrt/fx_ext.h"
 #include "extension.h"
 
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 #include <wincrypt.h>
 #else
 #include <ctime>
 #endif
 
+CFX_CRTFileStream::CFX_CRTFileStream(IFXCRT_FileAccess* pFA)
+    : m_pFile(pFA), m_dwCount(1) {}
+
+CFX_CRTFileStream::~CFX_CRTFileStream() {
+  if (m_pFile) {
+    m_pFile->Release();
+  }
+}
+
+IFX_FileStream* CFX_CRTFileStream::Retain() {
+  m_dwCount++;
+  return this;
+}
+
+void CFX_CRTFileStream::Release() {
+  FX_DWORD nCount = --m_dwCount;
+  if (!nCount) {
+    delete this;
+  }
+}
+
+FX_FILESIZE CFX_CRTFileStream::GetSize() {
+  return m_pFile->GetSize();
+}
+
+FX_BOOL CFX_CRTFileStream::IsEOF() {
+  return GetPosition() >= GetSize();
+}
+
+FX_FILESIZE CFX_CRTFileStream::GetPosition() {
+  return m_pFile->GetPosition();
+}
+
+FX_BOOL CFX_CRTFileStream::ReadBlock(void* buffer,
+                                     FX_FILESIZE offset,
+                                     size_t size) {
+  return (FX_BOOL)m_pFile->ReadPos(buffer, size, offset);
+}
+
+size_t CFX_CRTFileStream::ReadBlock(void* buffer, size_t size) {
+  return m_pFile->Read(buffer, size);
+}
+
+FX_BOOL CFX_CRTFileStream::WriteBlock(const void* buffer,
+                                      FX_FILESIZE offset,
+                                      size_t size) {
+  return (FX_BOOL)m_pFile->WritePos(buffer, size, offset);
+}
+
+FX_BOOL CFX_CRTFileStream::Flush() {
+  return m_pFile->Flush();
+}
+
 IFX_FileStream* FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dwModes) {
   IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create();
   if (!pFA) {
     return NULL;
   }
   if (!pFA->Open(filename, dwModes)) {
     pFA->Release();
     return NULL;
   }
   return new CFX_CRTFileStream(pFA);
@@ skipping 256 matching lines @@
   return TRUE;
 }
 #endif
 void FX_Random_GenerateCrypto(FX_DWORD* pBuffer, int32_t iCount) {
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
   FX_GenerateCryptoRandom(pBuffer, iCount);
 #else
   FX_Random_GenerateBase(pBuffer, iCount);
 #endif
 }