Keep only base/extractor.[cc|h].

base/debug.cc

Index: base/debug.cc
diff --git a/base/debug.cc b/base/debug.cc
deleted file mode 100644
index b0b53bda3b090c1919ddcf96592fcb18f6d3d5ca..0000000000000000000000000000000000000000
--- a/base/debug.cc
+++ /dev/null
@@ -1,1195 +0,0 @@
-// Copyright 2003-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// Debug functions
-
-#include "omaha/base/debug.h"
-
-#include <dbghelp.h>
-#include <wtsapi32.h>
-#include <atlstr.h>
-#ifdef _DEBUG
-#include <atlcom.h>
-#define STRSAFE_NO_DEPRECATE
-#include <strsafe.h>
-#endif
-#include <stdlib.h>
-#include <signal.h>
-#include "base/basictypes.h"
-#include "base/scoped_ptr.h"
-#include "omaha/base/app_util.h"
-#include "omaha/base/clipboard.h"
-#include "omaha/base/commontypes.h"
-#include "omaha/base/constants.h"
-#include "omaha/base/const_addresses.h"
-#include "omaha/base/const_config.h"
-#include "omaha/base/const_debug.h"
-#include "omaha/base/const_timeouts.h"
-#include "omaha/base/file.h"
-#include "omaha/base/logging.h"
-#include "omaha/base/module_utils.h"
-#include "omaha/base/omaha_version.h"
-#include "omaha/base/reg_key.h"
-#include "omaha/base/safe_format.h"
-#include "omaha/base/scope_guard.h"
-#include "omaha/base/scoped_ptr_address.h"
-#include "omaha/base/string.h"
-#include "omaha/base/system.h"
-#include "omaha/base/synchronized.h"
-#include "omaha/base/time.h"
-#include "omaha/base/utils.h"
-#include "omaha/base/vistautil.h"
-#include "omaha/base/vista_utils.h"
-
-namespace omaha {
-
-#ifdef _DEBUG
-#define kSprintfBuffers (100)  // number of buffers for SPRINTF
-#else
-#define kSprintfBuffers (3)  // number of buffers for SPRINTF
-#endif
-
-// pad SPRINTF buffer to check for overruns
-#if SHIPPING
-#define kSprintfBufferOverrunPadding 0
-#else  // !SHIPPING
-#ifdef DEBUG
-#define kSprintfBufferOverrunPadding 20000
-#else
-#define kSprintfBufferOverrunPadding 1024
-#endif  // DEBUG
-#endif  // SHIPPING
-
-#ifdef _DEBUG
-const TCHAR* const kErrorRequestToSendFormat =
-    _T("*** Please hit Ignore to continue and send error information to the ")
-    _T("%s team ***\n*** These details have been pasted to the clipboard ***");
-
-// Max length of report summary string.
-const int kMaxReportSummaryLen = 1024 * 100;
-#endif  // DEBUG
-
-#define kReportIdsLock kLockPrefix                                             \
-    _T("Report_Ids_Lock_57146B01-6A07-4b8d-A1D8-0C3AFC3B2F9B")
-
-SELECTANY bool g_always_assert = false;
-SELECTANY TCHAR *g_additional_status_ping_info = NULL;
-
-#define kSprintfMaxLen (1024 + 2)  // max length that wvsprintf writes is 1024
-static bool g_initialized_sprintf = false;
-static volatile LONG g_sprintf_interlock = 0;
-static int g_current_sprintf_buffer = 0;
-static TCHAR *g_sprintf_buffer = NULL;
-static TCHAR *g_sprintf_buffers[kSprintfBuffers];
-SELECTANY volatile LONG g_debugassertrecursioncheck = 0;
-static int g_total_reports = 0;
-
-SELECTANY ReportIds g_report_ids;
-
-// Builds a full path name out of the given filename. If the filename is
-// a relative path, it is appended to the debug directory. Otherwise, if the
-// filename is a full path, it returns it as the full debug filename.
-static CString MakeFullDebugFilename(const TCHAR *filename) {
-  CString full_name;
-  if (lstrlen(filename) <= 2 || filename[1] != _T(':')) {
-    full_name = GetDebugDirectory();
-    full_name += L"\\";
-  }
-  full_name += filename;
-  return full_name;
-}
-
-
-// Displays the assert box. Due to session isolation, MB_SERVICE_NOTIFICATION
-// flag does not work for Vista services. In this case, use WTS to display
-// a message box in the active console session.
-void ShowAssertDialog(const TCHAR *message, const TCHAR *title) {
-  int ret = 0;
-  OSVERSIONINFOEX osviex = {sizeof(OSVERSIONINFOEX), 0};
-  const bool is_vista_or_greater =
-     ::GetVersionEx(reinterpret_cast<OSVERSIONINFO*>(&osviex)) &&
-     osviex.dwMajorVersion >= 6;
-  bool is_system_process = false;
-  if (is_vista_or_greater &&
-      SUCCEEDED(IsSystemProcess(&is_system_process)) &&
-      is_system_process) {
-    DWORD session_id = System::WTSGetActiveConsoleSessionId();
-    if (session_id == kInvalidSessionId) {
-      session_id = WTS_CURRENT_SESSION;
-    }
-    DWORD response = 0;
-    ::WTSSendMessage(WTS_CURRENT_SERVER_HANDLE,
-                     session_id,
-                     const_cast<TCHAR*>(title),
-                     _tcslen(title) * sizeof(TCHAR),
-                     const_cast<TCHAR*>(message),
-                     _tcslen(message) * sizeof(TCHAR),
-                     MB_ABORTRETRYIGNORE | MB_ICONERROR,
-                     0,
-                     &response,
-                     true);
-    ret = response;
-  } else {
-    ret = ::MessageBoxW(NULL,
-                        message,
-                        title,
-                        MB_ABORTRETRYIGNORE |
-                        MB_ICONERROR        |
-                        MB_SERVICE_NOTIFICATION);
-  }
-
-  switch (ret) {
-    case IDABORT:
-      // Terminate the process if the user chose 'Abort'. Calling ExitProcess
-      // here results in calling the destructors for static objects which can
-      // result in deadlocks.
-      raise(SIGABRT);
-      break;
-
-    case IDRETRY:
-      // Break if the user chose "Retry".
-      __debugbreak();
-      break;
-    default:
-      // By default we ignore the message.
-      break;
-  }
-}
-
-DebugObserver* g_debug_observer = NULL;
-
-// replaces the debug observer, returns the previous value.
-DebugObserver* SetDebugObserver(DebugObserver* observer) {
-  DebugObserver* old_value = g_debug_observer;
-  g_debug_observer = observer;
-  return old_value;
-}
-
-DebugObserver* PeekDebugObserver() {
-  return g_debug_observer;
-}
-
-int SehSendMinidump(unsigned int code,
-                    struct _EXCEPTION_POINTERS *ep,
-                    time64 time_between_minidumps) {
-    if (code == EXCEPTION_BREAKPOINT)
-    return EXCEPTION_CONTINUE_SEARCH;
-
-  if (::IsDebuggerPresent())
-    return EXCEPTION_CONTINUE_SEARCH;
-
-  OutputDebugString(L"**SehSendMinidump**\r\n");
-
-  if (g_debug_observer) {
-    return g_debug_observer->SehSendMinidump(code, ep, time_between_minidumps);
-  }
-
-  return EXCEPTION_EXECUTE_HANDLER;
-}
-
-#if defined(_DEBUG) || defined(ASSERT_IN_RELEASE)
-CallInterceptor<DebugAssertFunctionType> debug_assert_interceptor;
-
-// Replaces the debug assert function; returns the old value.
-DebugAssertFunctionType* ReplaceDebugAssertFunction(
-    DebugAssertFunctionType* replacement) {
-  return debug_assert_interceptor.ReplaceFunction(replacement);
-}
-
-void OnAssert(const char *expr, const TCHAR *msg,
-              const char *filename, int32 linenumber) {
-  if (g_debug_observer) {
-    g_debug_observer->OnAssert(expr, msg, filename, linenumber);
-  }
-}
-#endif
-
-#if defined(_DEBUG)
-CString OnDebugReport(uint32 id,
-                      bool is_report,
-                      ReportType type,
-                      const char *expr,
-                      const TCHAR *message,
-                      const char *filename,
-                      int32 linenumber,
-                      DebugReportKind debug_report_kind) {
-  CString trace;
-  if (g_debug_observer) {
-    trace = g_debug_observer->OnDebugReport(id, is_report,
-                                            type, expr, message, filename,
-                                            linenumber, debug_report_kind);
-  }
-  return trace;
-}
-
-void SendExceptionReport(const TCHAR *log_file, const TCHAR *filename, int line,
-                         const TCHAR *type, uint32 id, bool offline) {
-  if (g_debug_observer) {
-    g_debug_observer->SendExceptionReport(log_file, filename, line,
-                                          type, id, offline);
-  }
-}
-#endif
-
-
-#ifdef _DEBUG  // won't compile since _CrtDbgReport isn't defined.
-
-#include <crtdbg.h>    // NOLINT
-static CString g_report_summary;
-
-// dump summary of reports on exit
-SELECTANY ReportSummaryGenerator g_report_summary_generator;
-
-ReportSummaryGenerator::~ReportSummaryGenerator() {
-  DumpReportSummary();
-}
-
-void ReportSummaryGenerator::DumpReportSummary() {
-  if (g_total_reports) {
-    ::OutputDebugString(L"REPORT SUMMARY:\r\n");
-    ::OutputDebugString(SPRINTF(L"%d total reports\r\n", g_total_reports));
-    ::OutputDebugString(g_report_summary);
-  } else {
-    ::OutputDebugString(L"NO REPORTS!!\r\n");
-  }
-}
-
-TCHAR *ReportSummaryGenerator::GetReportSummary() {
-  TCHAR *s = new TCHAR[kMaxReportSummaryLen];
-  if (s) {
-    s[0] = 0;
-    if (g_total_reports) {
-      SafeStrCat(s, L"REPORT SUMMARY:\r\n\r\n", kMaxReportSummaryLen);
-      SafeStrCat(s,
-                 SPRINTF(L"%d total reports\r\n\r\n", g_total_reports),
-                 kMaxReportSummaryLen);
-      SafeStrCat(s,
-                 g_report_summary.
-                     Left(kMaxReportSummaryLen - lstrlen(s) - 1).GetString(),
-                 kMaxReportSummaryLen);
-      CString report_string = g_report_ids.DebugReportString();
-      ReplaceCString(report_string, L"&", L"\r\n");
-      SafeStrCat(s,
-                 report_string.
-                     Left(kMaxReportSummaryLen - lstrlen(s) - 1).GetString(),
-                 kMaxReportSummaryLen);
-    } else {
-      SafeStrCat(s, L"NO REPORTS!!\r\n", kMaxReportSummaryLen);
-    }
-  }
-
-  return s;
-}
-
-static CAtlMap<CString, uint32> g_reports_done;
-
-#endif  // _DEBUG
-
-#ifdef _DEBUG
-
-void TraceError(DWORD error) {
-  HLOCAL mem = NULL;
-  ::FormatMessage(
-    FORMAT_MESSAGE_ALLOCATE_BUFFER |
-    FORMAT_MESSAGE_FROM_SYSTEM |
-    FORMAT_MESSAGE_IGNORE_INSERTS,
-    static_cast<LPVOID>(_AtlBaseModule.GetResourceInstance()),
-    error,
-    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),  // default language
-    reinterpret_cast<TCHAR*>(&mem),
-    0,
-    NULL);
-
-  TCHAR* str = reinterpret_cast<TCHAR*>(::LocalLock(mem));
-  ::OutputDebugString(str);
-  REPORT(false, R_ERROR, (str), 3968294226);
-  ::LocalFree(mem);
-}
-
-// ban ASSERT/VERIFY/REPORT to prevent recursion
-#undef ASSERT
-#undef VERIFY
-#undef REPORT
-
-// TODO(omaha): fix static initialization order below.
-// The initialization order of static variables is not deterministic per C++
-// standard and it depends completely on the compiler implementation.
-// For VC++ compiler we are using, it seems to work as expected.
-// One real fix is to put all definitons of static variables inside a class and
-// define a boolean variable in this class to indicate that all necessary
-// static initializations have been done.
-//
-// The follow definition is used to detect whether we get the exception
-// during initializing static variables. If this is the case, DebugReport()
-// will not function and will throw an exception because some of its refering
-// static variables are not initialized yet (i.e. g_reports_done).
-const int kTestInitStaticVariablesDoneValue = 1234;
-struct TestInitStaticVariablesDone {
-  int value;
-  TestInitStaticVariablesDone() : value(kTestInitStaticVariablesDoneValue) {}
-};
-static TestInitStaticVariablesDone test_var;
-
-bool DebugReport(unsigned int id,
-                 ReportType type,
-                 const char *expr,
-                 const TCHAR *message,
-                 const char *filename,
-                 int linenumber,
-                 DebugReportKind debug_report_kind) {
-  int recursion_count = ::InterlockedIncrement(&g_debugassertrecursioncheck);
-  ON_SCOPE_EXIT(::InterlockedDecrement, &g_debugassertrecursioncheck);
-  if (recursion_count > 1) {
-    ::OutputDebugString(_T("recursive debugreport skipped\n"));
-    return 1;
-  }
-
-  if (debug_assert_interceptor.interceptor()) {
-    // call replacement function (typically used for unit tests)
-    // Note that I'm doing this inside the in_assert block for paranoia;
-    // it's not really necessary and perhaps the wrong choice.
-    debug_assert_interceptor.interceptor()(expr, CT2A(message), filename,
-                                            linenumber);
-    return true;
-  }
-
-
-  // Check whether we have already finished initializing all static variables
-  // needed for executing DebugReport(). If not, bail out.
-  if (test_var.value != kTestInitStaticVariablesDoneValue) {
-    CString debug_msg;
-    SafeCStringFormat(&debug_msg, _T("%hs:%d - %s - %S"),
-                      filename, linenumber, message, expr);
-    debug_msg.Append(_T("\n\nException occurs while initializing ")
-                     _T("static variables needed for DebugReport"));
-    ShowAssertDialog(debug_msg, _T("DebugReport"));
-    return true;
-  }
-
-  bool is_assert = debug_report_kind == DEBUGREPORT_ASSERT;
-  bool is_report = debug_report_kind == DEBUGREPORT_REPORT;
-  bool is_abort  = debug_report_kind == DEBUGREPORT_ABORT;
-
-  if (is_report)
-    g_total_reports++;
-
-  g_report_ids.ReleaseReport(id);
-
-  if (type == R_FATAL) {
-    if (is_report) {
-      // Treat as ASSERT
-      is_report = false;
-      is_assert = true;
-    }
-  }
-
-  bool always_assert = g_always_assert;
-
-  if (always_assert) {
-    is_report = false;
-    is_assert = true;
-  }
-
-  if (!message) {
-    message = _T("");
-  }
-
-  // log to debugger
-  TCHAR *debug_string;
-  // ::OutputDebugString(DEBUG_LOG_SEPARATOR);
-  ::OutputDebugString(is_report ? _T("REPORT: ") :
-                                  (is_assert ? _T("ASSERT: ") : _T("ABORT: ")));
-
-  CFixedStringT<CString, 1024> proc_name = app_util::GetAppName();
-
-  // last %s now %s skip %d
-  const TCHAR* format = message && *message ?
-                        _T("[%hs:%d][%hs][%s]") : _T("[%hs:%d][%hs]");
-  debug_string = SPRINTF(format, filename, linenumber, expr, message);
-
-  // String_Int64ToString(g_last_report_time, 10),
-  // String_Int64ToString(time, 10), skip_report));
-
-  // ::OutputDebugString(DEBUG_LOG_SEPARATOR);
-  // ::OutputDebugString(_T("\n"));
-
-#ifdef LOGGING
-  // Log the reports via the logging system to all loggers.
-  CString what = is_report ? _T("REPORT") :
-                             is_assert ? _T("ASSERT") : _T("ABORT");
-  LC_LOG(LC_LOGGING, LEVEL_ERROR, (_T("[%s]%s"), what, debug_string));
-#else
-  ::OutputDebugString(debug_string);
-  ::OutputDebugString(_T("\n"));
-#endif
-
-  // skip sending strack trace for duplicate reports
-  CString report_id;
-  SafeCStringFormat(&report_id, _T("%hs:%d"), filename, linenumber);
-
-  uint32 prev_reports = 0;
-  if (g_reports_done.Lookup(report_id, prev_reports) && is_report) {
-    prev_reports++;
-    g_reports_done.SetAt(report_id, prev_reports);
-    ::OutputDebugString(SPRINTF(_T("skipping duplicate report %s %d\n"),
-                                report_id.GetString(),
-                                prev_reports));
-    return 1;
-  }
-
-  prev_reports++;
-  g_reports_done.SetAt(report_id, prev_reports);
-
-  g_report_summary.Append(debug_string);
-  g_report_summary.Append(L" (");
-  g_report_summary.Append(itostr(id));
-  g_report_summary.Append(L")");
-  g_report_summary.Append(L"\r\n");
-
-  // ::OutputDebugString(_T("log to file\n"));
-
-  // log to file
-  CString path_name(MakeFullDebugFilename(kCiDebugLogFile));
-  HANDLE h = CreateFile(path_name,
-                        GENERIC_WRITE | GENERIC_READ,
-                        FILE_SHARE_READ | FILE_SHARE_WRITE,
-                        NULL,
-                        OPEN_ALWAYS,
-                        FILE_ATTRIBUTE_NORMAL,
-                        NULL);
-
-  HANDLE assert_file = INVALID_HANDLE_VALUE;
-  if (is_assert) {
-    path_name = MakeFullDebugFilename(kCiAssertOccurredFile);
-    assert_file = CreateFile(path_name,
-                             GENERIC_WRITE,
-                             0,
-                             0,
-                             OPEN_ALWAYS,
-                             FILE_FLAG_WRITE_THROUGH,
-                             NULL);
-  }
-
-  HANDLE abort_file = INVALID_HANDLE_VALUE;
-  if (is_abort) {
-    path_name = MakeFullDebugFilename(kCiAbortOccurredFile);
-    abort_file = CreateFile(path_name,
-                            GENERIC_WRITE,
-                            0,
-                            0,
-                            OPEN_ALWAYS,
-                            FILE_FLAG_WRITE_THROUGH,
-                            NULL);
-  }
-
-  if (h != INVALID_HANDLE_VALUE ||
-      assert_file != INVALID_HANDLE_VALUE ||
-      abort_file != INVALID_HANDLE_VALUE) {
-    // more convenient for now to have this in UTF8
-    char *utf8_buffer = new char[(lstrlen(debug_string)*2) + 1];
-    if (utf8_buffer) {
-        int conv_bytes = WideCharToMultiByte(CP_UTF8,
-                                             0,
-                                             debug_string,
-                                             lstrlen(debug_string),
-                                             utf8_buffer,
-                                             (lstrlen(debug_string) * 2) + 1,
-                                             NULL,
-                                             NULL);
-
-        if (conv_bytes) {
-            DWORD bytes_written;
-            BOOL result;
-
-            if (h != INVALID_HANDLE_VALUE) {
-              SetFilePointer(h, 0, NULL, FILE_END);
-              result = ::WriteFile(h,
-                                   (LPCVOID)utf8_buffer,
-                                   conv_bytes,
-                                   &bytes_written,
-                                   NULL);
-              result = ::WriteFile(h,
-                                   (LPCVOID)DEBUG_LOG_SEPARATOR_CHAR,
-                                   strlen(DEBUG_LOG_SEPARATOR_CHAR),
-                                   &bytes_written,
-                                   NULL);
-            }
-            if (assert_file != INVALID_HANDLE_VALUE) {
-              result = ::WriteFile(assert_file,
-                                   (LPCVOID)utf8_buffer,
-                                   conv_bytes,
-                                   &bytes_written,
-                                   NULL);
-            }
-            if (abort_file != INVALID_HANDLE_VALUE) {
-              result = ::WriteFile(abort_file,
-                                   (LPCVOID)utf8_buffer,
-                                   conv_bytes,
-                                   &bytes_written,
-                                   NULL);
-            }
-        }
-
-        delete [] utf8_buffer;
-    }
-  }
-
-  if (h != INVALID_HANDLE_VALUE) {
-    ::CloseHandle(h);
-  }
-  if (assert_file != INVALID_HANDLE_VALUE) {
-    ::CloseHandle(assert_file);
-  }
-  if (abort_file != INVALID_HANDLE_VALUE) {
-    ::CloseHandle(abort_file);
-  }
-
-  CString stack_trace = OnDebugReport(id, is_report, type, expr, message,
-                                      filename, linenumber, debug_report_kind);
-
-  if (is_report) {
-    return 1;
-  }
-
-  ::OutputDebugString(L"show assert dialog\r\n");
-  ::OutputDebugString(stack_trace.GetString());
-
-  CString process_path;
-  GetModuleFileName(NULL, &process_path);
-
-  static TCHAR clipboard_string[4096] = {0};
-  lstrcpyn(clipboard_string,
-           SPRINTF(L"%ls (pid=%i)\r\n%hs:%d\r\n\r\n%hs\r\n%s\r\n\r\n",
-                   process_path,
-                   ::GetCurrentProcessId(),
-                   filename,
-                   linenumber,
-                   expr,
-                   message),
-           arraysize(clipboard_string));
-  stack_trace = stack_trace.Left(
-      arraysize(clipboard_string) - lstrlen(clipboard_string) - 1);
-  SafeStrCat(clipboard_string, stack_trace, arraysize(clipboard_string));
-  SetClipboard(clipboard_string);
-
-  stack_trace = stack_trace.Left(kMaxStackTraceDialogLen);
-
-  CString assert_text;
-  SafeCStringFormat(&assert_text,
-    _T("Assertion (%ls) failed!\r\n\r\nProcess: %d ")
-    _T("(0x%08X)\r\nThread %d (0x%08X)\r\nProgram: %ls\r\n")
-    _T("Version: %s\r\nFile: %hs\r\nLine: %d\r\n\r\n"),
-    debug_report_kind == DEBUGREPORT_ASSERT ?
-      L"Assert" : (debug_report_kind == DEBUGREPORT_ABORT ?
-      L"Abort" : L"Report"),
-    ::GetCurrentProcessId(), ::GetCurrentProcessId(), ::GetCurrentThreadId(),
-    ::GetCurrentThreadId(), process_path, omaha::GetVersionString(), filename,
-    linenumber);
-
-  CString error_request_to_send;
-  SafeCStringFormat(&error_request_to_send, kErrorRequestToSendFormat, kAppName);
-
-  if (lstrlen(message) > 0) {
-    SafeCStringAppendFormat(&assert_text,
-        _T("Expression: %hs\r\nMessage: %s\r\n\r\n%s\r\n\r\n%s"),
-        expr,
-        message,
-        stack_trace,
-        error_request_to_send);
-  } else {
-    SafeCStringAppendFormat(&assert_text,
-        _T("Expression: %hs\r\n\r\n%s\r\n\r\n%s"),
-        expr, stack_trace, error_request_to_send);
-  }
-
-  ShowAssertDialog(assert_text, CString(filename));
-  return 1;
-}
-
-#endif  // #ifdef _DEBUG
-
-
-ReportIds::ReportIds() {
-  data_.report_counts_num = 0;
-  NamedObjectAttributes lock_attr;
-  GetNamedObjectAttributes(kReportIdsLock,
-                           vista_util::IsUserAdmin(),
-                           &lock_attr);
-  InitializeWithSecAttr(lock_attr.name, &lock_attr.sa);
-}
-
-ReportIds::~ReportIds() {
-  // don't attempt to write out reports from low integrity mode.
-  //
-  // TODO(omaha): save reports from a low integrity process (specifically IE
-  // which does some extra special magic to thwart this) --
-  // possible by launch a process or a broker, etc.
-  if (vista::IsProcessProtected()) {
-    return;
-  }
-
-  if (data_.report_counts_num != 0) {
-    // Back the report IDs to the registry
-    __mutexBlock(this) {
-      ReportData *reports_in_config = NULL;
-      if (LoadReportData(&reports_in_config)) {
-        MergeReports(reports_in_config, &data_);
-        SaveReportData(reports_in_config);
-
-        byte *data = reinterpret_cast<byte*>(reports_in_config);
-        delete [] data;
-      } else {
-        // There's no data in the registry, so just fill it up with this
-        // component's data.
-        SaveReportData(&data_);
-      }
-    }
-  }
-}
-
-const TCHAR* const GetRegKeyShared() {
-  return vista_util::IsUserAdmin() ? _T("HKLM\\") kCiRegKeyShared :
-                                     _T("HKCU\\") kCiRegKeyShared;
-}
-
-void ReportIds::ResetReportsAfterPing() {
-  // We will lose reports from TRS between the time DebugReportString was called
-  // and now. We'll also lose reports from non TRS components if they exit in
-  // between this time.  Not important.
-  data_.report_counts_num = 0;
-  __mutexBlock(this) {
-    RegKey::DeleteValue(GetRegKeyShared(), kRegValueReportIds);
-  }
-}
-
-void ReportIds::MergeReports(ReportData *data1, const ReportData *data2) {
-  // Loop through each report ID from data2.  If we find it already, increment
-  // the report's count in data1. Otherwise, if there's enough space, add the
-  // report ID to data1.
-  uint32 i, j;
-  for (i = 0; i < data2->report_counts_num; ++i) {
-    bool duplicate_report = false;
-    for (j = 0; j < data1->report_counts_num; ++j) {
-      if (data1->report_ids[j] == data2->report_ids[i]) {
-        // uint16 is promoted to int.
-        data1->report_counts[j] = static_cast<uint16>(
-            data1->report_counts[j] + data2->report_counts[i]);
-        duplicate_report = true;
-      }
-    }
-
-    if (!duplicate_report && j < kMaxUniqueReports) {
-      data1->report_ids[j] = data2->report_ids[i];
-      data1->report_counts[j] = data2->report_counts[i];
-      data1->report_counts_num++;
-    }
-  }
-}
-
-bool ReportIds::LoadReportData(ReportData **data) {
-  DWORD byte_count = 0;
-  *data = NULL;
-  HRESULT hr = RegKey::GetValue(GetRegKeyShared(),
-                                kRegValueReportIds,
-                                reinterpret_cast<byte**>(data),
-                                &byte_count);
-  if (SUCCEEDED(hr)) {
-    if (byte_count == sizeof(ReportData)) {
-      return true;
-    } else {
-      delete[] data;
-      data = NULL;
-      return false;
-    }
-  } else {
-    return false;
-  }
-}
-
-void ReportIds::SaveReportData(ReportData *data) {
-  if (data->report_counts_num) {
-    RegKey::SetValue(GetRegKeyShared(),
-                     kRegValueReportIds,
-                     reinterpret_cast<byte*>(data),
-                     sizeof(ReportData));
-  }
-}
-
-bool ReportIds::ReleaseReport(uint32 id) {
-  uint32 max = data_.report_counts_num;
-
-  // If two threads call simultaneously, might miss one of an existing report
-  // here; not important.
-
-  uint32 i = 0;
-  for (i = 0; i < max; ++i) {
-    if (data_.report_ids[i] == id) {
-      data_.report_counts[i]++;
-      return true;
-      }
-  }
-
-  // If two threads call simultaneously, might overwrite first of another
-  // report; not important.
-
-  if (i < kMaxUniqueReports) {
-    data_.report_ids[i] = id;
-    data_.report_counts[i] = 1;
-    data_.report_counts_num = i + 1;  // Set only after setting ids and count;
-                                      // don't use ++
-  }
-
-#ifdef _DEBUG
-  OutputDebugString(SPRINTF(_T("release report %u\n"), id));
-#endif
-  // must return true (return value of REPORT)
-  return true;
-}
-
-// caller deletes the string
-TCHAR *ReportIds::DebugReportString() {
-  TCHAR *s = new TCHAR[(kMaxUniqueReports * kMaxReportCountString) + 1];
-  if (!s) { return NULL; }
-  s[0] = '\0';
-
-#if 0
-  // this version if we use a hash table for the report counts:
-  uint32 id;
-  uint16 count;
-  hr = g_reports->First(&found, &id, &count);
-  while (SUCCEEDED(hr) && found) {
-    if (count) {
-        SafeCStringAppendFormat(&status_info, _T("%d=%d"),
-                                id,
-                                static_cast<uint32>(count));
-    }
-
-    hr = g_reports->Next(&found, &id, &count);
-  }
-#endif
-
-  // The registry will contain the REPORTs from other components, so get that
-  // list and merge it with TRS'.
-  __mutexBlock(this) {
-    ReportData *reports_in_config = NULL;
-    if (LoadReportData(&reports_in_config)) {
-      MergeReports(&data_, reports_in_config);
-
-      byte *data = reinterpret_cast<byte*>(reports_in_config);
-      delete[] data;
-    }
-  }
-
-  TCHAR *current_pos = s;
-  for (uint32 i = 0; i < data_.report_counts_num; i++) {
-    if (data_.report_counts[i]) {
-      // should be no chance of overflow, ok to use wsprintf
-      int n = wsprintf(current_pos,
-                       _T("%u:%u,"),
-                       data_.report_ids[i],
-                       static_cast<uint32>(data_.report_counts[i]));
-      current_pos += n;
-    }
-  }
-
-  return s;
-}
-
-// A simple helper function whose sole purpose is
-// to isolate the dtor from SPRINTF which uses try/except.
-// app_util::GetAppName returns a CString and dtor's
-// aren't allowed in functions with try/except when
-// the /EHsc flag is set.
-void FillInSprintfErrorString(const TCHAR * format, TCHAR * error_string) {
-  wsprintf(error_string, L"SPRINTF buffer overrun %ls %hs %ls",
-           app_util::GetAppName(), omaha::GetVersionString(), format);
-}
-
-// following is currently included in release build
-// return string from format+arglist; for debugging
-TCHAR * __cdecl SPRINTF(const TCHAR * format, ...) {
-  while (::InterlockedCompareExchange(&g_sprintf_interlock, 1, 0) == 1) {
-  // while (::InterlockedIncrement(&g_sprintf_interlock)>1) {
-    // ::InterlockedDecrement(&g_sprintf_interlock);
-    // Don't process APCs here.
-    // Can lead to infinite recursion, for example: filecap->logging->filecap...
-    Sleep(0);
-  }
-
-  g_current_sprintf_buffer++;
-  if (g_current_sprintf_buffer >= kSprintfBuffers) {
-    g_current_sprintf_buffer = 0;
-  }
-
-  TCHAR *sprintf_buf = NULL;
-
-  if (!g_initialized_sprintf) {  // initialize buffers
-    g_sprintf_buffer = new TCHAR[
-        ((kSprintfMaxLen + 1) * kSprintfBuffers) +
-        kSprintfBufferOverrunPadding];
-    TCHAR* buffer = g_sprintf_buffer;
-    if (!buffer) { goto cleanup; }
-    for (int i = 0; i < kSprintfBuffers; ++i) {
-      g_sprintf_buffers[i] = buffer;
-      buffer += kSprintfMaxLen + 1;
-    }
-
-#if !SHIPPING
-    for (int i = ((kSprintfMaxLen+1) * kSprintfBuffers);
-         i < ((kSprintfMaxLen + 1) * kSprintfBuffers) +
-            kSprintfBufferOverrunPadding;
-         ++i) {
-      g_sprintf_buffer[i] = 1;
-    }
-#endif
-
-    // InitializeCriticalSection(&g_sprintf_critical_section);
-    g_initialized_sprintf = true;
-  }
-
-  sprintf_buf = g_sprintf_buffers[g_current_sprintf_buffer];
-
-  // EnterCriticalSection(&g_sprintf_critical_section);
-
-  __try {
-    // create the formatted CString
-    va_list vl;
-    va_start(vl, format);
-#ifdef DEBUG
-    StringCbVPrintfW(sprintf_buf, kSprintfMaxLen, format, vl);
-#else
-    wvsprintfW(sprintf_buf, format, vl);
-#endif
-    va_end(vl);
-
-#if !SHIPPING
-    for (int i = ((kSprintfMaxLen+1) * kSprintfBuffers);
-         i < ((kSprintfMaxLen+1) * kSprintfBuffers) +
-            kSprintfBufferOverrunPadding;
-         ++i) {
-      if (g_sprintf_buffer[i] != 1) {
-        TCHAR error_string[1024];
-        FillInSprintfErrorString(format, error_string);
-        MessageBox(NULL,
-                   error_string,
-                   error_string,
-                   MB_OK | MB_SETFOREGROUND | MB_TOPMOST);
-        break;
-      }
-    }
-#endif
-  }
-  __except(EXCEPTION_EXECUTE_HANDLER) {
-    lstrcpyn(sprintf_buf, _T("sprintf failure"), kSprintfMaxLen);
-  }
-
-  // LeaveCriticalSection(&g_sprintf_critical_section);
-
-  cleanup:
-
-  ::InterlockedDecrement(&g_sprintf_interlock);
-  return sprintf_buf;
-}
-
-#if 0
-  TCHAR * __cdecl SPRINTF(const TCHAR * format, ...) {
-  ASSERT(format, (L""));
-
-  g_current_sprintf_buffer++;
-  if (g_current_sprintf_buffer >= kSprintfBuffers) {
-    g_current_sprintf_buffer = 0;
-    }
-
-  TCHAR *sprintf_buf = sprintf_buffers[g_current_sprintf_buffer];
-  CFixedStringT<CString, kSprintfMaxLen> out;
-
-  va_list argptr;
-  va_start(argptr, format);
-  out.FormatV(format, argptr);
-  va_end(argptr);
-
-  // copy to fixed return buffers
-  SafeStrCat(sprintf_buf,
-             out.GetBufferSetLength(kSprintfMaxLen),
-             g_current_sprintf_buffer);
-  sprintf_buf[kSprintfMaxLen] = '\0';
-
-  return sprintf_buf;
-}
-#endif
-
-// Cleanup allocated memory
-class SprintfCleaner {
- public:
-  SprintfCleaner() {}
-
-  ~SprintfCleaner() {
-    while (::InterlockedCompareExchange(&g_sprintf_interlock, 1, 0) == 1) {
-      Sleep(0);
-    }
-
-    if (g_initialized_sprintf) {
-      delete[] g_sprintf_buffer;
-      for (int i = 0; i < kSprintfBuffers; ++i) {
-        g_sprintf_buffers[i] = NULL;
-      }
-      g_initialized_sprintf = false;
-    }
-
-    ::InterlockedDecrement(&g_sprintf_interlock);
-  }
-
- private:
-  DISALLOW_EVIL_CONSTRUCTORS(SprintfCleaner);
-};
-
-static SprintfCleaner cleaner;
-
-// This is for our testers to find asserts in release mode.
-#if !defined(_DEBUG) && defined(ASSERT_IN_RELEASE)
-bool ReleaseAssert(const char *expr,
-                   const TCHAR *msg,
-                   const char *filename,
-                   int32 linenumber) {
-  ASSERT(filename, (L""));
-  ASSERT(msg, (L""));
-  ASSERT(expr, (L""));
-
-  if (debug_assert_interceptor.interceptor()) {
-    // call replacement function (typically used for unit tests)
-    // Note that I'm doing this inside the in_assert block for paranoia;
-    // it's not really necessary and perhaps the wrong choice.
-    debug_assert_interceptor.interceptor()(expr,
-                                           CT2CA(msg),
-                                           filename,
-                                           linenumber);
-    return true;
-  }
-
-  OnAssert(expr, msg, filename, linenumber);
-
-  // Also put up a message box.
-  TCHAR error_string[1024] = {0};
-  wsprintf(error_string,
-           L"App: %ls\r\n"
-           L"Expr: %hs\r\n"
-           L"File: %hs\r\n"
-           L"Line: %d\r\n"
-           L"Version: %hs\r\n"
-           L"Message: ",
-           app_util::GetAppName(),
-           expr,
-           filename,
-           linenumber,
-           VER_TIMESTAMP_STR_FILE);
-  SafeStrCat(error_string, msg, arraysize(error_string));
-  SafeStrCat(error_string,
-             L"\r\n\r\n*** This message has been copied to the clipboard. ***",
-             arraysize(error_string));
-  SetClipboard(error_string);
-
-  TCHAR title_string[1024];
-  wsprintf(title_string, L"%s ASSERT %s %hs",
-           kAppName, app_util::GetAppName(), VER_TIMESTAMP_STR_FILE);
-  MessageBox(NULL,
-             error_string,
-             title_string,
-             MB_OK | MB_SETFOREGROUND | MB_TOPMOST);
-  return true;
-}
-#endif
-
-#if defined(_DEBUG)
-void DebugAbort(const TCHAR *msg,
-                const char* filename,
-                int32 linenumber,
-                bool do_abort) {
-  DebugReport(0, R_FATAL, "", msg, filename, linenumber, DEBUGREPORT_ABORT);
-  if (do_abort) {
-    abort();
-  }
-}
-#else
-void ReleaseAbort(const TCHAR *msg,
-                  const char* filename,
-                  int32 linenumber,
-                  bool do_abort) {
-  // Send info to the server.
-#if defined(ASSERT_IN_RELEASE)
-  OnAssert("", msg, filename, linenumber);
-#endif
-
-  // Also put up a message box.
-  TCHAR error_string[1024] = {0};
-  wsprintf(error_string,
-           L"App: %ls\r\n"
-           L"File: %hs\r\n"
-           L"Line: %d\r\n"
-           L"Version: %hs\r\n"
-           L"Message: ",
-           app_util::GetAppName(),
-           filename,
-           linenumber,
-           omaha::GetVersionString());
-  SafeStrCat(error_string, msg, arraysize(error_string));
-  SafeStrCat(error_string,
-             L"\r\n\r\n*** This message has been copied to the clipboard. ***",
-             arraysize(error_string));
-  SetClipboard(error_string);
-
-  TCHAR title_string[1024];
-  wsprintf(title_string,
-           L"%s ABORT %s %hs",
-           kAppName,
-           app_util::GetAppName(),
-           omaha::GetVersionString());
-  MessageBox(NULL,
-             error_string,
-             title_string,
-             MB_OK | MB_SETFOREGROUND | MB_TOPMOST);
-
-  if (do_abort) {
-    abort();
-  }
-}
-#endif
-
-
-#ifdef _DEBUG
-
-void DumpInterface(IUnknown* unknown) {
-  if (!unknown)
-    return;
-
-  OutputDebugString(_T("------------------------------------------------\r\n"));
-
-  // Open the HKCR\Interfaces key where the IIDs of marshalable interfaces
-  // are stored.
-  RegKey key;
-  if (SUCCEEDED(key.Open(HKEY_CLASSES_ROOT, _T("Interface"), KEY_READ))) {
-    TCHAR name[_MAX_PATH + 1] = {0};
-    DWORD name_size = _MAX_PATH;
-    DWORD index = 0;
-    FILETIME last_written;
-
-    //
-    // Enumerate through the IIDs and see if the object supports it
-    // by calling QueryInterface.
-    //
-    while (::RegEnumKeyEx(key.Key(),
-                          index++,
-                          name,
-                          &name_size,
-                          NULL,
-                          NULL,
-                          NULL,
-                          &last_written) == ERROR_SUCCESS) {
-      // Convert the string to an IID
-      IID iid;
-      HRESULT hr = StringToGuidSafe(name, &iid);
-
-      CComPtr<IUnknown> test;
-      if (unknown->QueryInterface(iid,
-                                  reinterpret_cast<void**>(&test)) == S_OK) {
-        //
-        // The object supports this interface.
-        // See if we can get a human readable name for the interface
-        // If not, the name buffer already contains the string
-        // representation of the IID, which we'll use as a fallback.
-        //
-        RegKey sub_key;
-        if (sub_key.Open(key.Key(), name, KEY_READ) == S_OK) {
-          scoped_array<TCHAR> display;
-          // If this fails, we should still have the IID
-          if (sub_key.GetValue(NULL, address(display)) == S_OK)
-            lstrcpyn(name, display.get(), _MAX_PATH);
-        }
-
-        CString fmt;
-        SafeCStringFormat(&fmt, _T("  %s\r\n"), name);
-        OutputDebugString(fmt);
-      }
-
-      ZeroMemory(name, arraysize(name));
-      name_size = _MAX_PATH;
-    }
-  }
-
-  OutputDebugString(_T("------------------------------------------------\r\n"));
-}
-#endif
-
-// TODO(omaha): the implementation below is using CStrings so it is not very
-// conservative in terms of memory allocations.
-int SehNoMinidump(unsigned int code, struct _EXCEPTION_POINTERS *,
-                  const char *filename, int32 linenumber, bool show_message) {
-  if (code == EXCEPTION_BREAKPOINT)
-    return EXCEPTION_CONTINUE_SEARCH;
-
-  uint32 latest_cl = 0;
-#ifdef VERSION_LATEST_CL
-  latest_cl = VERSION_LATEST_CL;
-#endif
-
-  if (show_message) {
-    TCHAR message[1025] = {0};
-    wsprintf(message,
-             _T("Exception %x in %s %s %u\r\n\r\n%hs:%d\r\n"),
-             code,
-             app_util::GetAppName(),
-             omaha::GetVersionString(),
-             latest_cl,
-             filename,
-             linenumber);
-
-    SetClipboard(message);
-    uint32 type = MB_ABORTRETRYIGNORE |
-                  MB_ICONERROR |
-                  MB_SERVICE_NOTIFICATION |
-                  MB_SETFOREGROUND |
-                  MB_TOPMOST;
-    int ret = ::MessageBox(NULL, message, _T("Exception"), type);
-    switch (ret) {
-      case IDABORT:
-        // Kamikaze if the user chose 'abort'
-        ::ExitProcess(static_cast<UINT>(-1));
-        break;
-
-      case IDRETRY:
-        // Break if the user chose "retry"
-        __debugbreak();
-        break;
-
-      default:
-        // By default we ignore the message
-      break;
-    }
-  }
-  return EXCEPTION_EXECUTE_HANDLER;
-}
-
-CString GetDebugDirectory() {
-  CString debug_dir;
-  CString system_drive = GetEnvironmentVariableAsString(_T("SystemDrive"));
-  if (!system_drive.IsEmpty()) {
-    debug_dir += system_drive;
-    debug_dir += L"\\";
-  }
-  debug_dir += kCiDebugDirectory;
-  return debug_dir;
-}
-
-}  // namespace omaha
-