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// Copyright 2008 Google Inc.
// Author: Lincoln Smith
//
// 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.
#ifndef OPEN_VCDIFF_LOGGING_H_
#define OPEN_VCDIFF_LOGGING_H_
#include <config.h>
#include <iostream>
#include <vector>
// Windows API defines ERROR
#ifdef ERROR
#undef ERROR
#endif // ERROR
namespace open_vcdiff {
enum LogLevel {
INFO,
WARNING,
ERROR,
FATAL
};
#ifndef NDEBUG
#define DFATAL FATAL
#else // NDEBUG
#define DFATAL ERROR
#endif // !NDEBUG
extern bool g_fatal_error_occurred;
extern void (*ExitFatal)();
inline std::ostream& LogMessage(LogLevel level, const char* level_name) {
if (level == FATAL) {
g_fatal_error_occurred = true;
}
return std::cerr << level_name << ": ";
}
inline void CheckFatalError() {
if (g_fatal_error_occurred) {
g_fatal_error_occurred = false;
(*ExitFatal)();
}
}
} // namespace open_vcdiff
#define LOG(level) LogMessage(open_vcdiff::level, #level)
#define LOG_ENDL std::endl; \
open_vcdiff::CheckFatalError();
#endif // OPEN_VCDIFF_LOGGING_H_
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