| 1 | /* Header file the type CGEN_BITSET. |
| 2 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of the GNU opcodes library. |
| 5 | |
| 6 | This library 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, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | It 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 library; see the file COPYING3. If not, write to the |
| 18 | Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
| 19 | 02110-1301, USA. */ |
| 20 | |
| 21 | #ifndef CGEN_BITSET_H |
| 22 | #define CGEN_BITSET_H |
| 23 | |
| 24 | #ifdef __cplusplus |
| 25 | extern "C" { |
| 26 | #endif |
| 27 | |
| 28 | /* A bitmask represented as a string. |
| 29 | Each member of the set is represented as a bit |
| 30 | in the string. Bytes are indexed from left to right in the string and |
| 31 | bits from most significant to least within each byte. |
| 32 | |
| 33 | For example, the bit representing member number 6 is (set->bits[0] & 0x02). |
| 34 | */ |
| 35 | typedef struct cgen_bitset |
| 36 | { |
| 37 | unsigned length; |
| 38 | char *bits; |
| 39 | } CGEN_BITSET; |
| 40 | |
| 41 | extern CGEN_BITSET *cgen_bitset_create (unsigned); |
| 42 | extern void cgen_bitset_init (CGEN_BITSET *, unsigned); |
| 43 | extern void cgen_bitset_clear (CGEN_BITSET *); |
| 44 | extern void cgen_bitset_add (CGEN_BITSET *, unsigned); |
| 45 | extern void cgen_bitset_set (CGEN_BITSET *, unsigned); |
| 46 | extern int cgen_bitset_compare (CGEN_BITSET *, CGEN_BITSET *); |
| 47 | extern void cgen_bitset_union (CGEN_BITSET *, CGEN_BITSET *, CGEN_BITSET *); |
| 48 | extern int cgen_bitset_intersect_p (CGEN_BITSET *, CGEN_BITSET *); |
| 49 | extern int cgen_bitset_contains (CGEN_BITSET *, unsigned); |
| 50 | extern CGEN_BITSET *cgen_bitset_copy (CGEN_BITSET *); |
| 51 | |
| 52 | #ifdef __cplusplus |
| 53 | } // extern "C" |
| 54 | #endif |
| 55 | |
| 56 | #endif |