57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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/* Header file the type CGEN_BITSET.
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Copyright (C) 2002-2022 Free Software Foundation, Inc.
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This file is part of the GNU opcodes library.
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This library 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, or (at your option)
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any later version.
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It 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 library; see the file COPYING3. If not, write to the
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Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef CGEN_BITSET_H
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#define CGEN_BITSET_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* A bitmask represented as a string.
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Each member of the set is represented as a bit
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in the string. Bytes are indexed from left to right in the string and
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bits from most significant to least within each byte.
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For example, the bit representing member number 6 is (set->bits[0] & 0x02).
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*/
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typedef struct cgen_bitset
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{
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unsigned length;
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char *bits;
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} CGEN_BITSET;
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extern CGEN_BITSET *cgen_bitset_create (unsigned);
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extern void cgen_bitset_init (CGEN_BITSET *, unsigned);
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extern void cgen_bitset_clear (CGEN_BITSET *);
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extern void cgen_bitset_add (CGEN_BITSET *, unsigned);
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extern void cgen_bitset_set (CGEN_BITSET *, unsigned);
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extern int cgen_bitset_compare (CGEN_BITSET *, CGEN_BITSET *);
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extern void cgen_bitset_union (CGEN_BITSET *, CGEN_BITSET *, CGEN_BITSET *);
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extern int cgen_bitset_intersect_p (CGEN_BITSET *, CGEN_BITSET *);
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extern int cgen_bitset_contains (CGEN_BITSET *, unsigned);
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extern CGEN_BITSET *cgen_bitset_copy (CGEN_BITSET *);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif
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