bitmap.h revision 5ffa42cb8028833440040c2e240e0d788f11c112
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2015 Tom Gundersen
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "macro.h"
typedef struct Bitmap Bitmap;
Bitmap *bitmap_new(void);
void bitmap_free(Bitmap *b);
int bitmap_ensure_allocated(Bitmap **b);
int bitmap_set(Bitmap *b, unsigned n);
void bitmap_unset(Bitmap *b, unsigned n);
bool bitmap_isset(Bitmap *b, unsigned n);
bool bitmap_isclear(Bitmap *b);
void bitmap_clear(Bitmap *b);
void bitmap_rewind(Bitmap *b);
bool bitmap_next(Bitmap *b, unsigned *n);
bool bitmap_equal(Bitmap *a, Bitmap *b);
#define BITMAP_FOREACH(n, b) \
for (bitmap_rewind(b); bitmap_next((b), &(n)); )
DEFINE_TRIVIAL_CLEANUP_FUNC(Bitmap*, bitmap_free);
#define _cleanup_bitmap_free_ _cleanup_(bitmap_freep)