Delete FilesystemInterface::CopyFile.

webrtc/base/unixfilesystem.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 186 matching lines @@
 
 bool UnixFilesystem::MoveFile(const Pathname &old_path,
                               const Pathname &new_path) {
   if (!IsFile(old_path)) {
     RTC_DCHECK(IsFile(old_path));
     return false;
   }
   LOG(LS_VERBOSE) << "Moving " << old_path.pathname()
                   << " to " << new_path.pathname();
   if (rename(old_path.pathname().c_str(), new_path.pathname().c_str()) != 0) {
-    if (errno != EXDEV)
-      return false;
-    if (!CopyFile(old_path, new_path))
-      return false;
-    if (!DeleteFile(old_path))
-      return false;
+    return false;
   }
   return true;
 }
 
 bool UnixFilesystem::IsFolder(const Pathname &path) {
   struct stat st;
   if (stat(path.pathname().c_str(), &st) < 0)
     return false;
   return S_ISDIR(st.st_mode);
 }
 
-bool UnixFilesystem::CopyFile(const Pathname &old_path,
-                              const Pathname &new_path) {
-  LOG(LS_VERBOSE) << "Copying " << old_path.pathname()
-                  << " to " << new_path.pathname();
-  char buf[256];
-  size_t len;
-
-  StreamInterface *source = OpenFile(old_path, "rb");
-  if (!source)
-    return false;
-
-  StreamInterface *dest = OpenFile(new_path, "wb");
-  if (!dest) {
-    delete source;
-    return false;
-  }
-
-  while (source->Read(buf, sizeof(buf), &len, nullptr) == SR_SUCCESS)
-    dest->Write(buf, len, nullptr, nullptr);
-
-  delete source;
-  delete dest;
-  return true;
-}
-
 bool UnixFilesystem::IsTemporaryPath(const Pathname& pathname) {
 #if defined(WEBRTC_ANDROID) || defined(WEBRTC_MAC)
   RTC_DCHECK(provided_app_temp_folder_ != nullptr);
 #endif
 
   const char* const kTempPrefixes[] = {
 #if defined(WEBRTC_ANDROID) || defined(WEBRTC_MAC)
     provided_app_temp_folder_,
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
     "/private/tmp/", "/private/var/tmp/", "/private/var/folders/",
@@ skipping 98 matching lines @@
 
 }  // namespace rtc
 
 #if defined(__native_client__)
 extern "C" int __attribute__((weak))
 link(const char* oldpath, const char* newpath) {
   errno = EACCES;
   return -1;
 }
 #endif