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105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2012 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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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 Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
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*/
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#ifndef GVDEBUG_H
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#define GVDEBUG_H
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#include <KDebug>
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/**
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* Uses this macro if you want your code to abort when the GV_FATAL_FAILS
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* environment variable is set.
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* Most of the time you want to use the various GV_RETURN* macros instead,
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* but this one can be handy in certain situations. For example in a switch
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* case block:
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*
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* switch (state) {
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* case State1:
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* ...
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* break;
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* case State2:
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* ...
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* break;
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* case State3:
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* kWarning() << "state should not be State3";
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* GV_FATAL_FAILS;
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* break;
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* }
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*/
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#define GV_FATAL_FAILS \
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do { \
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if (!qgetenv("GV_FATAL_FAILS").isEmpty()) { \
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kFatal() << "Aborting because environment variable 'GV_FATAL_FAILS' is set"; \
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} \
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} while (0)
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#define GV_RETURN_IF_FAIL(cond) \
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do { \
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if (!(cond)) { \
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kWarning() << "Condition '" << #cond << "' failed"; \
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GV_FATAL_FAILS; \
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return; \
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} \
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} while (0)
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#define GV_RETURN_VALUE_IF_FAIL(cond, value) \
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do { \
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if (!(cond)) { \
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kWarning() << "Condition '" << #cond << "' failed."; \
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GV_FATAL_FAILS; \
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return value; \
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} \
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} while (0)
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#define GV_RETURN_IF_FAIL2(cond, msg) \
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do { \
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if (!(cond)) { \
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kWarning() << "Condition '" << #cond << "' failed" << msg; \
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GV_FATAL_FAILS; \
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return; \
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} \
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} while (0)
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#define GV_RETURN_VALUE_IF_FAIL2(cond, value, msg) \
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do { \
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if (!(cond)) { \
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kWarning() << "Condition '" << #cond << "' failed." << msg; \
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GV_FATAL_FAILS; \
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return value; \
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} \
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} while (0)
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#define GV_WARN_AND_RETURN(msg) \
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do { \
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kWarning() << msg; \
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GV_FATAL_FAILS; \
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return; \
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} while (0)
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#define GV_WARN_AND_RETURN_VALUE(value, msg) \
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do { \
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kWarning() << msg; \
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GV_FATAL_FAILS; \
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return value; \
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} while (0)
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#define GV_LOG(var) kDebug() << #var << '=' << (var)
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#endif // GVDEBUG_H
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