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116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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* virbitmap.h: Simple bitmap operations
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*
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* Copyright (C) 2012-2013 Red Hat, Inc.
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* Copyright (C) 2010 Novell, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Jim Fehlig <jfehlig@novell.com>
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*/
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#ifndef __BITMAP_H__
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# define __BITMAP_H__
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# include "internal.h"
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# include <sys/types.h>
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typedef struct _virBitmap virBitmap;
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typedef virBitmap *virBitmapPtr;
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/*
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* Allocate a bitmap capable of containing @size bits.
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*/
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virBitmapPtr virBitmapNew(size_t size) ATTRIBUTE_RETURN_CHECK;
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/*
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* Free previously allocated bitmap
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*/
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void virBitmapFree(virBitmapPtr bitmap);
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/*
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* Copy all bits from @src to @dst. The bitmap sizes
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* must be the same
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*/
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int virBitmapCopy(virBitmapPtr dst, virBitmapPtr src);
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/*
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* Set bit position @b in @bitmap
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*/
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int virBitmapSetBit(virBitmapPtr bitmap, size_t b)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
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/*
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* Clear bit position @b in @bitmap
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*/
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int virBitmapClearBit(virBitmapPtr bitmap, size_t b)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
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/*
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* Get setting of bit position @b in @bitmap and store in @result
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*/
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int virBitmapGetBit(virBitmapPtr bitmap, size_t b, bool *result)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3) ATTRIBUTE_RETURN_CHECK;
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char *virBitmapString(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
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char *virBitmapFormat(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1);
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int virBitmapParse(const char *str,
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char sep,
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virBitmapPtr *bitmap,
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size_t bitmapSize)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3);
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virBitmapPtr virBitmapNewCopy(virBitmapPtr src) ATTRIBUTE_NONNULL(1);
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virBitmapPtr virBitmapNewData(void *data, int len) ATTRIBUTE_NONNULL(1);
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int virBitmapToData(virBitmapPtr bitmap, unsigned char **data, int *dataLen)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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bool virBitmapEqual(virBitmapPtr b1, virBitmapPtr b2)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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size_t virBitmapSize(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1);
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void virBitmapSetAll(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1);
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void virBitmapClearAll(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1);
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bool virBitmapIsAllSet(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1);
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bool virBitmapIsAllClear(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1);
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ssize_t virBitmapNextSetBit(virBitmapPtr bitmap, ssize_t pos)
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ATTRIBUTE_NONNULL(1);
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ssize_t virBitmapNextClearBit(virBitmapPtr bitmap, ssize_t pos)
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ATTRIBUTE_NONNULL(1);
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size_t virBitmapCountBits(virBitmapPtr bitmap)
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ATTRIBUTE_NONNULL(1);
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#endif
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