Mercurial > hg > svcore
view base/Debug.cpp @ 962:613ee830de5e
Fix return of empty string as bool value (from coverity scan, interesting the compiler doesn't mind)
author | Chris Cannam |
---|---|
date | Wed, 03 Sep 2014 09:58:31 +0100 |
parents | d002827b5896 |
children | e8e6c4e7437b |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2010-2011 Chris Cannam and QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "Debug.h" #include "ResourceFinder.h" #include <QString> #include <QUrl> #include <QMutex> #include <QMutexLocker> #include <QFile> #include <QDir> #include <QCoreApplication> #include <QDateTime> #include <QThreadStorage> #include <cstdio> static QThreadStorage<QDebug *> debugs; static QMutex mutex; static char *prefix = 0; QDebug & getSVDebug() { mutex.lock(); QDebug *debug = 0; QString pfx = ResourceFinder().getUserResourcePrefix(); QDir logdir(QString("%1/%2").arg(pfx).arg("log")); if (!prefix) { prefix = new char[20]; sprintf(prefix, "[%lu]", (unsigned long)QCoreApplication::applicationPid()); //!!! what to do if mkpath fails? if (!logdir.exists()) logdir.mkpath(logdir.path()); } if (!debugs.hasLocalData()) { QFile *logFile = new QFile(logdir.path() + "/sv-debug.log"); if (logFile->open(QIODevice::WriteOnly | QIODevice::Append)) { QDebug(QtDebugMsg) << (const char *)prefix << "Opened debug log file " << logFile->fileName(); debug = new QDebug(logFile); } else { QDebug(QtWarningMsg) << (const char *)prefix << "Failed to open debug log file " << logFile->fileName() << " for writing, using console debug instead"; delete logFile; logFile = 0; debug = new QDebug(QtDebugMsg); } debugs.setLocalData(debug); *debug << endl << (const char *)prefix << "Log started at " << QDateTime::currentDateTime().toString(); } else { debug = debugs.localData(); } mutex.unlock(); QDebug &dref = *debug; dref << endl << (const char *)prefix; return dref; } QDebug & operator<<(QDebug &dbg, const std::string &s) { dbg << QString::fromUtf8(s.c_str()); return dbg; } std::ostream & operator<<(std::ostream &target, const QString &str) { return target << str.toStdString(); } std::ostream & operator<<(std::ostream &target, const QUrl &u) { return target << "<" << u.toString().toStdString() << ">"; }