a b/src/log.cpp
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/* Copyright (C) 2014 J.F.Dockes
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 *     This program is free software; you can redistribute it and/or modify
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 *     it under the terms of the GNU General Public License as published by
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 *     the Free Software Foundation; either version 2 of the License, or
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 *     (at your option) any later version.
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 *
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 *     This program is distributed in the hope that it will be useful,
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 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *     GNU General Public License for more details.
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 *
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 *     You should have received a copy of the GNU General Public License
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 *     along with this program; if not, write to the
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 *     Free Software Foundation, Inc.,
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 *     59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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 */
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#include "config.h"
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#include "log.h"
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#include <errno.h>                      // for errno
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#include <fstream>                      // for operator<<, basic_ostream, etc
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using namespace std;
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Logger::Logger(const std::string& fn) 
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    : m_tocerr(false), m_loglevel(LLDEB)
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{
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    if (!fn.empty() && fn.compare("stderr")) {
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        m_stream.open(fn, std::fstream::out | std::ofstream::trunc);
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        if (!m_stream.is_open()) {
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            cerr << "Logger::Logger: log open failed: for [" <<
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                fn << "] errno " << errno << endl;
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            m_tocerr = true;
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        }
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    } else {
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        m_tocerr = true;
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    }
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}
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static Logger *theLog;
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Logger *Logger::getTheLog(const string& fn)
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{
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    if (theLog == 0)
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        theLog = new Logger(fn);
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    return theLog;
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}
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