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/*
MIDI Sequencer C++ library
Copyright (C) 2006-2024, Pedro Lopez-Cabanillas <plcl@users.sf.net>
This library 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 3 of the License, or
(at your option) any later version.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ERRORCHECK_H
#define ERRORCHECK_H
extern "C" {
#include <alsa/asoundlib.h>
}
#include <QString>
#include <QDebug>
#include <drumstick/sequencererror.h>
/**
* @file errorcheck.h
* Error checking functions and macros
*/
namespace drumstick { namespace ALSA {
/**
* @addtogroup ALSAError
* @{
*/
/**
* Checks the error code for severe errors.
* If the provided error code is less than zero an exception is thrown,
* containing both the error code and the location.
* @param rc Error code
* @param where Location
* @return Error code
*/
inline int checkErrorAndThrow(int rc, const char *where)
{
if (rc < 0) {
qDebug() << "Error code:" << rc << "(" << snd_strerror(rc) << ")";
qDebug() << "Location:" << where;
throw SequencerError(QString(where), rc);
}
return rc;
}
/**
* Check the error code for warning errors.
* This method doesn't throw an exception.
* @param rc Error code
* @param where Location
* @return Error code
*/
inline int checkWarning(int rc, const char *where)
{
if (rc < 0) {
qWarning() << "Exception code:" << rc << "(" << snd_strerror(rc) << ")";
qWarning() << "Location:" << where;
}
return rc;
}
/**
* This macro calls the check error function.
* @param x Error code
*/
#define DRUMSTICK_ALSA_CHECK_ERROR(x) (checkErrorAndThrow((x),__PRETTY_FUNCTION__))
/**
* This macro calls the check warning function.
* @param x Error code
*/
#define DRUMSTICK_ALSA_CHECK_WARNING(x) (checkWarning((x),__PRETTY_FUNCTION__))
/** @} */
}} // namespace drumstick::ALSA
#endif // ERRORCHECK_H
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