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author | deanm@chromium.org <deanm@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-11-25 23:10:46 +0000 |
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committer | deanm@chromium.org <deanm@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-11-25 23:10:46 +0000 |
commit | 60aac62ddf3cc40741a824cae25ab190005513be (patch) | |
tree | 0f55441604d8e4ee3693d0ce6b3e8e8d4dbe06cc /chrome/test/test_file_util.cc | |
parent | da4e34b86c37f77dc7027fbc1fd599d319b69bd0 (diff) | |
download | chromium_src-60aac62ddf3cc40741a824cae25ab190005513be.zip chromium_src-60aac62ddf3cc40741a824cae25ab190005513be.tar.gz chromium_src-60aac62ddf3cc40741a824cae25ab190005513be.tar.bz2 |
Un-duplicate EvictFileFromSystemCache.
Change required for http://codereview.chromium.org/9639 .
Review URL: http://codereview.chromium.org/12407
Patch from Pawel Hajdan Jr.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@6006 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/test/test_file_util.cc')
-rw-r--r-- | chrome/test/test_file_util.cc | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/chrome/test/test_file_util.cc b/chrome/test/test_file_util.cc index 5bb55cc..e69de29 100644 --- a/chrome/test/test_file_util.cc +++ b/chrome/test/test_file_util.cc @@ -1,100 +0,0 @@ -// 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 <vector> -#include <windows.h> - -#include "chrome/test/test_file_util.h" - -#include "base/file_util.h" -#include "chrome/common/win_util.h" - -namespace file_util { - -bool EvictFileFromSystemCache(const wchar_t* file) { - // Request exclusive access to the file and overwrite it with no buffering. - win_util::ScopedHandle hfile( - CreateFile(file, GENERIC_READ | GENERIC_WRITE, 0, NULL, - OPEN_EXISTING, FILE_FLAG_NO_BUFFERING, - NULL)); - if (!hfile) - return false; - - // Execute in chunks. It could be optimized. We want to do few of these since - // these opterations will be slow without the cache. - char buffer[4096]; - int total_bytes = 0; - DWORD bytes_read; - for (;;) { - bytes_read = 0; - ReadFile(hfile, buffer, sizeof(buffer), &bytes_read, NULL); - if (bytes_read == 0) - break; - - SetFilePointer(hfile, total_bytes, 0, FILE_BEGIN); - if (!WriteFile(hfile, buffer, bytes_read, &bytes_read, NULL)) - return false; - total_bytes += bytes_read; - } - return true; -} - -// Like CopyFileNoCache but recursively copies all files and subdirectories -// in the given input directory to the output directory. -bool CopyRecursiveDirNoCache(const std::wstring& source_dir, - const std::wstring& dest_dir) { - // Try to create the directory if it doesn't already exist. - if (!CreateDirectory(dest_dir)) { - if (GetLastError() != ERROR_ALREADY_EXISTS) - return false; - } - - std::vector<std::wstring> files_copied; - - std::wstring src(source_dir); - file_util::AppendToPath(&src, L"*"); - - WIN32_FIND_DATA fd; - HANDLE fh = FindFirstFile(src.c_str(), &fd); - if (fh == INVALID_HANDLE_VALUE) - return false; - - do { - std::wstring cur_file(fd.cFileName); - if (cur_file == L"." || cur_file == L"..") - continue; // Skip these special entries. - - std::wstring cur_source_path(source_dir); - file_util::AppendToPath(&cur_source_path, cur_file); - - std::wstring cur_dest_path(dest_dir); - file_util::AppendToPath(&cur_dest_path, cur_file); - - if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { - // Recursively copy a subdirectory. We stripped "." and ".." already. - if (!CopyRecursiveDirNoCache(cur_source_path, cur_dest_path)) { - FindClose(fh); - return false; - } - } else { - // Copy the file. - if (!::CopyFile(cur_source_path.c_str(), cur_dest_path.c_str(), false)) { - FindClose(fh); - return false; - } - - // We don't check for errors from this function, often, we are copying - // files that are in the repository, and they will have read-only set. - // This will prevent us from evicting from the cache, but these don't - // matter anyway. - EvictFileFromSystemCache(cur_dest_path.c_str()); - } - } while (FindNextFile(fh, &fd)); - - FindClose(fh); - return true; -} - -} // namespace file_util - |