rocksdb/util/stderr_logger.h

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// Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#pragma once
#include <stdarg.h>
#include <stdio.h>
#include "rocksdb/env.h"
namespace rocksdb {
// Prints logs to stderr for faster debugging
class StderrLogger : public Logger {
public:
explicit StderrLogger(const InfoLogLevel log_level = InfoLogLevel::INFO_LEVEL)
: Logger(log_level) {}
// Brings overloaded Logv()s into scope so they're not hidden when we override
// a subset of them.
using Logger::Logv;
virtual void Logv(const char* format, va_list ap) override {
vfprintf(stderr, format, ap);
fprintf(stderr, "\n");
}
};
} // namespace rocksdb