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/*
* bitmap.h: Simple bitmap operations
*
* Copyright (C) 2010 Novell, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Jim Fehlig <jfehlig@novell.com>
*/
#ifndef __BITMAP_H__
# define __BITMAP_H__
# include "internal.h"
# include <sys/types.h>
typedef struct _virBitmap virBitmap;
typedef virBitmap *virBitmapPtr;
/*
* Allocate a bitmap capable of containing @size bits.
*/
virBitmapPtr virBitmapNew(size_t size) ATTRIBUTE_RETURN_CHECK;
/*
* Free previously allocated bitmap
*/
void virBitmapFree(virBitmapPtr bitmap);
/*
* Copy all bits from @src to @dst. The bitmap sizes
* must be the same
*/
int virBitmapCopy(virBitmapPtr dst, virBitmapPtr src);
/*
* Set bit position @b in @bitmap
*/
int virBitmapSetBit(virBitmapPtr bitmap, size_t b)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
/*
* Clear bit position @b in @bitmap
*/
int virBitmapClearBit(virBitmapPtr bitmap, size_t b)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
/*
* Get setting of bit position @b in @bitmap and store in @result
*/
int virBitmapGetBit(virBitmapPtr bitmap, size_t b, bool *result)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3) ATTRIBUTE_RETURN_CHECK;
char *virBitmapString(virBitmapPtr bitmap)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
char *virBitmapFormat(virBitmapPtr bitmap)
ATTRIBUTE_NONNULL(1);
int virBitmapParse(const char *str,
char sep,
virBitmapPtr *bitmap,
size_t bitmapSize)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3);
virBitmapPtr virBitmapNewCopy(virBitmapPtr src) ATTRIBUTE_NONNULL(1);
virBitmapPtr virBitmapNewData(void *data, int len) ATTRIBUTE_NONNULL(1);
int virBitmapToData(virBitmapPtr bitmap, unsigned char **data, int *dataLen)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
bool virBitmapEqual(virBitmapPtr b1, virBitmapPtr b2)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
size_t virBitmapSize(virBitmapPtr bitmap)
ATTRIBUTE_NONNULL(1);
void virBitmapSetAll(virBitmapPtr bitmap)
ATTRIBUTE_NONNULL(1);
void virBitmapClearAll(virBitmapPtr bitmap)
ATTRIBUTE_NONNULL(1);
bool virBitmapIsAllSet(virBitmapPtr bitmap)
ATTRIBUTE_NONNULL(1);
int virBitmapNextSetBit(virBitmapPtr bitmap, int pos)
ATTRIBUTE_NONNULL(1);
#endif
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