Cross-platform equivalent of fopen, _wfopen_s etc....

chrome/browser/download/download_file.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <Windows.h>
 #include <objbase.h>
 
 #include "chrome/browser/download/download_file.h"
 
 #include "base/file_util.h"
@@ skipping 49 matching lines @@
       path_renamed_(false),
       in_progress_(true) {
 }
 
 DownloadFile::~DownloadFile() {
   Close();
 }
 
 bool DownloadFile::Initialize() {
   if (file_util::CreateTemporaryFileName(&full_path_))
-    return Open(L"wb");
+    return Open("wb");
   return false;
 }
 
 // FIXME bug 595247: handle errors on file writes.
 bool DownloadFile::AppendDataToFile(const char* data, int data_len) {
   if (file_) {
     fwrite(data, 1, data_len, file_);
     bytes_so_far_ += data_len;
     return true;
   }
@@ skipping 19 matching lines @@
 
   DeleteFile(full_path_.c_str());
 
   full_path_ = new_path;
   path_renamed_ = true;
 
   // We don't need to re-open the file if we're done (finished or canceled).
   if (!in_progress_)
     return true;
 
-  if (!Open(L"a+b"))
+  if (!Open("a+b"))
     return false;
   return true;
 }
 
 void DownloadFile::Close() {
   if (file_) {
-    fclose(file_);
+    file_util::CloseFile(file_);
     file_ = NULL;
   }
 }
 
-bool DownloadFile::Open(const wchar_t* open_mode) {
+bool DownloadFile::Open(const char* open_mode) {
   DCHECK(!full_path_.empty());
-  if (_wfopen_s(&file_, full_path_.c_str(), open_mode)) {
-    file_ = NULL;
+  file_ = file_util::OpenFile(full_path_, open_mode);
+  if (!file_) {
     return false;
   }
   // Sets the Zone to tell Windows that this file comes from the internet.
   // We ignore the return value because a failure is not fatal.
   win_util::SetInternetZoneIdentifier(full_path_);
   return true;
 }
 
 // DownloadFileManager implementation ------------------------------------------
 
@@ skipping 435 matching lines @@
 
   if (downloads_.empty())
     ui_loop_->PostTask(FROM_HERE, NewRunnableMethod(
         this, &DownloadFileManager::StopUpdateTimer));
 }
 
 void DownloadFileManager::CreateDirectory(const std::wstring& directory) {
   if (!file_util::PathExists(directory))
     file_util::CreateDirectory(directory);
 }