root/libutil/idset.h

/* */

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2005, 2006, 2007 Tama Communications Corporation
   3  *
   4  * This file is part of GNU GLOBAL.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  * 
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  * 
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifndef _IDSET_H_
  20 #define _IDSET_H_
  21 
  22 /**
  23  * Any id is not equal to END_OF_ID.
  24  */
  25 #define END_OF_ID ((unsigned int)(-1))
  26 
  27 typedef struct {
  28         unsigned int size;
  29         unsigned int min;
  30         unsigned int max;
  31         unsigned int lastid;            /**< used by idset_first() and idset_next() */
  32         unsigned long *set;
  33 } IDSET;
  34 
  35 IDSET *idset_open(unsigned int);
  36 int idset_empty(IDSET *);
  37 void idset_add(IDSET *, unsigned int);
  38 int idset_contains(IDSET *, unsigned int);
  39 unsigned int idset_first(IDSET *);
  40 unsigned int idset_next(IDSET *);
  41 unsigned int idset_count(IDSET *);
  42 void idset_close(IDSET *);
  43 
  44 #endif /* ! _IDSET_H_ */

/* */