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f3af9e36fb
The function can't fail at this point. Remove the return value. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
146 lines
4.1 KiB
C
146 lines
4.1 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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#pragma once
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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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/*
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* Allocate a bitmap capable of containing @size bits.
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*/
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virBitmap *virBitmapNew(size_t size);
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/*
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* Free previously allocated bitmap
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*/
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void virBitmapFree(virBitmap *bitmap);
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/*
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* Set bit position @b in @bitmap
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*/
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int virBitmapSetBit(virBitmap *bitmap, size_t b)
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ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
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void virBitmapSetBitExpand(virBitmap *bitmap, size_t b)
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ATTRIBUTE_NONNULL(1);
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/*
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* Clear bit position @b in @bitmap
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*/
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int virBitmapClearBit(virBitmap *bitmap, size_t b)
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ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
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void virBitmapClearBitExpand(virBitmap *bitmap, size_t b)
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ATTRIBUTE_NONNULL(1);
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/*
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* Get bit @b in @bitmap. Returns false if b is out of range.
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*/
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bool virBitmapIsBitSet(virBitmap *bitmap, size_t b)
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ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
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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(virBitmap *bitmap, size_t b, bool *result)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3) G_GNUC_WARN_UNUSED_RESULT;
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virBitmap *
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virBitmapNewString(const char *string)
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ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
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char *virBitmapToString(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
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char *virBitmapFormat(virBitmap *bitmap);
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int virBitmapParse(const char *str,
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virBitmap **bitmap,
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size_t bitmapSize)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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virBitmap *
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virBitmapParseUnlimited(const char *str);
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virBitmap *virBitmapNewCopy(virBitmap *src) ATTRIBUTE_NONNULL(1);
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virBitmap *virBitmapNewData(const void *data, int len) ATTRIBUTE_NONNULL(1);
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int virBitmapToData(virBitmap *bitmap, unsigned char **data, int *dataLen)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
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void virBitmapToDataBuf(virBitmap *bitmap, unsigned char *data, size_t len)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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bool virBitmapEqual(virBitmap *b1, virBitmap *b2);
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size_t virBitmapSize(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1);
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void virBitmapSetAll(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1);
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void virBitmapClearAll(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1);
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bool virBitmapIsAllSet(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1);
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bool virBitmapIsAllClear(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1);
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ssize_t virBitmapNextSetBit(virBitmap *bitmap, ssize_t pos)
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ATTRIBUTE_NONNULL(1);
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ssize_t virBitmapLastSetBit(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1);
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ssize_t virBitmapNextClearBit(virBitmap *bitmap, ssize_t pos)
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ATTRIBUTE_NONNULL(1);
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size_t virBitmapCountBits(virBitmap *bitmap)
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ATTRIBUTE_NONNULL(1);
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char *virBitmapDataFormat(const void *data,
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int len)
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ATTRIBUTE_NONNULL(1);
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bool virBitmapOverlaps(virBitmap *b1,
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virBitmap *b2)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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void virBitmapIntersect(virBitmap *a, virBitmap *b)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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void virBitmapUnion(virBitmap *a,
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const virBitmap *b)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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void virBitmapSubtract(virBitmap *a, virBitmap *b)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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void virBitmapShrink(virBitmap *map, size_t b);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(virBitmap, virBitmapFree);
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