/usr/include/cxxtools/log/log4cxx.h is in libcxxtools-dev 2.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2003, Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CXXTOOLS_LOG_LOG4CXX_H
#define CXXTOOLS_LOG_LOG4CXX_H
#include <log4cxx/logger.h>
#include <sstream>
#ifndef LOG4CXX_LOCATION
# define LOG4CXX_LOCATION __FILE__, __LINE__
#endif
#define log_fatal_enabled() getLogger()->isEnabledFor(::log4cxx::Level::FATAL)
#define log_error_enabled() getLogger()->isEnabledFor(::log4cxx::Level::ERROR)
#define log_warn_enabled() getLogger()->isEnabledFor(::log4cxx::Level::WARN)
#define log_info_enabled() getLogger()->isEnabledFor(::log4cxx::Level::INFO)
#define log_debug_enabled() getLogger()->isEnabledFor(::log4cxx::Level::DEBUG)
#define log_trace_enabled() getLogger()->isEnabledFor(::log4cxx::Level::DEBUG)
#define log_xxxx(level, expr) \
do { \
if (getLogger()->isEnabledFor(::log4cxx::Level::level)) \
{ \
std::ostringstream _msg_; \
_msg_ << expr; \
getLogger()->log( \
::log4cxx::Level::level, \
_msg_.str(), \
LOG4CXX_LOCATION); \
} \
} while (false)
#define log_fatal(expr) log_xxxx(FATAL, expr)
#define log_error(expr) log_xxxx(ERROR, expr)
#define log_warn(expr) log_xxxx(WARN, expr)
#define log_info(expr) log_xxxx(INFO, expr)
#define log_debug(expr) log_xxxx(DEBUG, expr)
#define log_trace(expr) \
::cxxtools::log4cxx_tracer tracer ## __LINE__ (getLogger()); \
if (log_trace_enabled()) \
{ \
tracer ## __LINE__ .logentry() << expr; \
tracer ## __LINE__ .enter(); \
}
#define log_define(category) \
static inline log4cxx::LoggerPtr& getLogger() \
{ \
static log4cxx::LoggerPtr l = ::log4cxx::Logger::getLogger(category); \
return l; \
}
namespace cxxtools
{
class log4cxx_tracer
{
log4cxx::LoggerPtr l;
std::ostringstream* msg;
log4cxx::LoggerPtr& getLogger() { return l; }
public:
log4cxx_tracer(::log4cxx::LoggerPtr& l_)
: l(l_), msg(0)
{ }
~log4cxx_tracer()
{
if (msg && log_trace_enabled())
log_debug("EXIT " << msg->str());
}
std::ostream& logentry()
{
if (!msg)
msg = new std::ostringstream();
return *msg;
}
void enter()
{
if (msg && log_trace_enabled())
log_debug("ENTER " << msg->str());
}
};
}
#endif // CXXTOOLS_LOG_LOG4CXX_H
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