57 lines
2 KiB
C
57 lines
2 KiB
C
/***************************************************************************
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gb_barray.h
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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This program 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 2, or (at your option)
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any later version.
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This program 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 program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#ifndef __GB_BARRAY_H
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#define __GB_BARRAY_H
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#include <string.h>
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#include "gb_alloc.h"
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typedef
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int *BARRAY;
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#define BARRAY_SIZE sizeof(int)
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#define BARRAY_NBITS (BARRAY_SIZE << 3)
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#define BARRAY_clear_all(_data, _size) memset((_data), 0, ((_size) + BARRAY_NBITS - 1) / BARRAY_NBITS * BARRAY_SIZE)
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#define BARRAY_create(_pdata, _size) GB.Alloc(POINTER((_pdata)), ((_size) + BARRAY_NBITS - 1) / BARRAY_NBITS * BARRAY_SIZE)
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#define BARRAY_delete(_pdata) GB.Free(POINTER((_pdata)))
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#define BARRAY_set(_data, _bit) (_data[(_bit) / BARRAY_NBITS] |= (1 << ((_bit) & (BARRAY_NBITS - 1))))
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#define BARRAY_clear(_data, _bit) ((_data)[(_bit) / BARRAY_NBITS] &= ~(1 << ((_bit) & (BARRAY_NBITS - 1))))
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#define BARRAY_invert(_data, _bit) ((_data)[(_bit) / BARRAY_NBITS] ^= (1 << ((_bit) & (BARRAY_NBITS - 1))))
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#define BARRAY_test(_data, _bit) (((_data)[(_bit) / BARRAY_NBITS] & (1 << ((_bit) & (BARRAY_NBITS - 1)))) != 0)
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#define BARRAY_is_void(_data, _size) \
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({ \
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int i, v = 0; \
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int size = ((_size) + BARRAY_NBITS - 1) / BARRAY_NBITS; \
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for (i = 0; !v && i < size; i++) \
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v |= (_data)[i]; \
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v == 0; \
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})
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#endif
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