| 1 | /* Header file the type CGEN_BITSET. |
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| 2 | Copyright 2002, 2005, 2009 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of the GNU opcodes library. |
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| 5 | |
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| 6 | This library is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 3, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | It is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with this library; see the file COPYING3. If not, write to the |
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| 18 | Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
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| 19 | 02110-1301, USA. */ |
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| 20 | |
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| 21 | #ifndef CGEN_BITSET_H |
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| 22 | #define CGEN_BITSET_H |
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| 23 | |
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| 24 | #ifdef __cplusplus |
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| 25 | extern "C" { |
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| 26 | #endif |
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| 27 | |
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| 28 | /* A bitmask represented as a string. |
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| 29 | Each member of the set is represented as a bit |
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| 30 | in the string. Bytes are indexed from left to right in the string and |
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| 31 | bits from most significant to least within each byte. |
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| 32 | |
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| 33 | For example, the bit representing member number 6 is (set->bits[0] & 0x02). |
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| 34 | */ |
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| 35 | typedef struct cgen_bitset |
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| 36 | { |
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| 37 | unsigned length; |
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| 38 | char *bits; |
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| 39 | } CGEN_BITSET; |
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| 40 | |
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| 41 | extern CGEN_BITSET *cgen_bitset_create PARAMS ((unsigned)); |
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| 42 | extern void cgen_bitset_init PARAMS ((CGEN_BITSET *, unsigned)); |
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| 43 | extern void cgen_bitset_clear PARAMS ((CGEN_BITSET *)); |
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| 44 | extern void cgen_bitset_add PARAMS ((CGEN_BITSET *, unsigned)); |
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| 45 | extern void cgen_bitset_set PARAMS ((CGEN_BITSET *, unsigned)); |
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| 46 | extern int cgen_bitset_compare PARAMS ((CGEN_BITSET *, CGEN_BITSET *)); |
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| 47 | extern void cgen_bitset_union PARAMS ((CGEN_BITSET *, CGEN_BITSET *, CGEN_BITSET *)); |
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| 48 | extern int cgen_bitset_intersect_p PARAMS ((CGEN_BITSET *, CGEN_BITSET *)); |
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| 49 | extern int cgen_bitset_contains PARAMS ((CGEN_BITSET *, unsigned)); |
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| 50 | extern CGEN_BITSET *cgen_bitset_copy PARAMS ((CGEN_BITSET *)); |
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| 51 | |
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| 52 | #ifdef __cplusplus |
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| 53 | } // extern "C" |
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| 54 | #endif |
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| 55 | |
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| 56 | #endif |
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