// Copyright 2010-2020, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "base/init_mozc.h"
#ifdef OS_WIN
#include <windows.h>
#endif // OS_WIN
#include <string>
#include "base/file_util.h"
#include "base/flags.h"
#include "base/logging.h"
#ifndef MOZC_BUILDTOOL_BUILD
#include "base/system_util.h"
#endif // MOZC_BUILDTOOL_BUILD
// Even if log_dir is modified in the middle of the process, the
// logging directory will not be changed because the logging stream is
// initialized in the very early initialization stage.
DEFINE_string(log_dir, "",
"If specified, logfiles are written into this directory "
"instead of the default logging directory.");
DEFINE_string(program_invocation_name, "", "Program name copied from argv[0].");
namespace mozc {
namespace {
#ifdef OS_WIN
LONG CALLBACK ExitProcessExceptionFilter(EXCEPTION_POINTERS *ExceptionInfo) {
// Currently, we haven't found a good way to perform both
// "send mininump" and "exit the process gracefully".
::ExitProcess(static_cast<UINT>(-1));
return EXCEPTION_EXECUTE_HANDLER;
}
#endif // OS_WIN
string GetLogFilePathFromProgramName(const string &program_name) {
const string basename = FileUtil::Basename(program_name) + ".log";
if (FLAGS_log_dir.empty()) {
#ifdef MOZC_BUILDTOOL_BUILD
return basename;
#else // MOZC_BUILDTOOL_BUILD
return FileUtil::JoinPath(SystemUtil::GetLoggingDirectory(), basename);
#endif // MOZC_BUILDTOOL_BUILD
}
return FileUtil::JoinPath(FLAGS_log_dir, basename);
}
} // namespace
void InitMozc(const char *arg0, int *argc, char ***argv) {
FLAGS_program_invocation_name = *argv[0];
#ifdef OS_WIN
// InitMozc() is supposed to be used for code generator or
// other programs which are not included in the production code.
// In these code, we don't want to show any error messages when
// exceptions are raised. This is important to keep
// our continuous build stable.
::SetUnhandledExceptionFilter(ExitProcessExceptionFilter);
#endif // OS_WIN
mozc_flags::ParseCommandLineFlags(argc, argv);
const string program_name = *argc > 0 ? (*argv)[0] : "UNKNOWN";
Logging::InitLogStream(GetLogFilePathFromProgramName(program_name));
}
} // namespace mozc