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58 lines
1.3 KiB
58 lines
1.3 KiB
/**
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* \file
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2012 Georg Hopp
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*
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <search.h>
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#include "session.h"
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#include "class.h"
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static
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inline
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int
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sessionAddComp(const void * _a, const void * _b)
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{
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Session a = (Session)_a;
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Session b = (Session)_b;
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return (a->id < b->id)? -1 : (a->id > b->id)? 1 : 0;
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}
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Session
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sessionAdd(const Session * root, Session session)
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{
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Session * found = tsearch(session, (void**)root, sessionAddComp);
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if (NULL == found) {
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return NULL;
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}
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if (*found != session) {
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/**
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* \todo this should not happen, so do some logging here.
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*/
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delete(session);
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}
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return *found;
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}
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// vim: set ts=4 sw=4:
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