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/* Header file the type CGEN_BITSET.
 
Copyright 2002, 2005 Free Software Foundation, Inc.
 
This file is part of GDB, the GNU debugger, and the GNU Binutils.
 
This program 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 2 of the License, or
(at your option) any later version.
 
This program 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, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
#ifndef CGEN_BITSET_H
#define CGEN_BITSET_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* A bitmask represented as a string.
   Each member of the set is represented as a bit
   in the string. Bytes are indexed from left to right in the string and
   bits from most significant to least within each byte.
 
   For example, the bit representing member number 6 is (set->bits[0] & 0x02).
*/
typedef struct cgen_bitset
{
  unsigned length;
  char *bits;
} CGEN_BITSET;
 
extern CGEN_BITSET *cgen_bitset_create PARAMS ((unsigned));
extern void cgen_bitset_init PARAMS ((CGEN_BITSET *, unsigned));
extern void cgen_bitset_clear PARAMS ((CGEN_BITSET *));
extern void cgen_bitset_add PARAMS ((CGEN_BITSET *, unsigned));
extern void cgen_bitset_set PARAMS ((CGEN_BITSET *, unsigned));
extern int cgen_bitset_compare PARAMS ((CGEN_BITSET *, CGEN_BITSET *));
extern void cgen_bitset_union PARAMS ((CGEN_BITSET *, CGEN_BITSET *, CGEN_BITSET *));
extern int cgen_bitset_intersect_p PARAMS ((CGEN_BITSET *, CGEN_BITSET *));
extern int cgen_bitset_contains PARAMS ((CGEN_BITSET *, unsigned));
extern CGEN_BITSET *cgen_bitset_copy PARAMS ((CGEN_BITSET *));
 
#ifdef __cplusplus
} // extern "C"
#endif
 
#endif