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/home/pvrabec/project/openscap/openscap-0.6.3/src/OVAL/probes/SEAP/generic/pqueue.h

00001 /*
00002  * Copyright 2009 Red Hat Inc., Durham, North Carolina.
00003  * All Rights Reserved.
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Lesser General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2.1 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Lesser General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Lesser General Public
00016  * License along with this library; if not, write to the Free Software
00017  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018  *
00019  * Authors:
00020  *      "Daniel Kopecek" <dkopecek@redhat.com>
00021  */
00022 
00023 #pragma once
00024 #ifndef PQUEUE_H
00025 #define PQUEUE_H
00026 #include "../../../../common/util.h"
00027 
00028 OSCAP_HIDDEN_START;
00029 
00030 typedef struct pqueue pqueue_t;
00031 
00032 #define PQUEUE_EFAIL  1
00033 #define PQUEUE_EFULL  2
00034 #define PQUEUE_EEMPTY 3
00035 
00036 pqueue_t *pqueue_new  (size_t max);
00037 void      pqueue_free (pqueue_t *q);
00038 
00039 int pqueue_add (pqueue_t *q, void *ptr);
00040 
00041 int pqueue_add_first (pqueue_t *q, void *ptr);
00042 int pqueue_add_last  (pqueue_t *q, void *ptr);
00043 
00044 void *pqueue_first (pqueue_t *q);
00045 void *pqueue_last  (pqueue_t *q);
00046 
00047 void *pqueue_pick (pqueue_t *q, int (*pickp) (void *ptr));
00048 void *pqueue_pick_first (pqueue_t *q, int (*pickp) (void *ptr));
00049 void *pqueue_pick_last  (pqueue_t *q, int (*pickp) (void *ptr));
00050 
00051 size_t pqueue_count (pqueue_t *q);
00052 int    pqueue_notempty (pqueue_t *q);
00053 
00054 OSCAP_HIDDEN_END;
00055 
00056 #endif /* PQUEUE_H */

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