Line data    Source code

       1             : /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
       2             : 
       3             : #pragma once
       4             : 
       5             : /***
       6             :   This file is part of systemd.
       7             : 
       8             :   Copyright 2015 Tom Gundersen
       9             : 
      10             :   systemd is free software; you can redistribute it and/or modify it
      11             :   under the terms of the GNU Lesser General Public License as published by
      12             :   the Free Software Foundation; either version 2.1 of the License, or
      13             :   (at your option) any later version.
      14             : 
      15             :   systemd is distributed in the hope that it will be useful, but
      16             :   WITHOUT ANY WARRANTY; without even the implied warranty of
      17             :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      18             :   Lesser General Public License for more details.
      19             : 
      20             :   You should have received a copy of the GNU Lesser General Public License
      21             :   along with systemd; If not, see <http://www.gnu.org/licenses/>.
      22             : ***/
      23             : 
      24             : #include "macro.h"
      25             : #include "hashmap.h"
      26             : 
      27             : typedef struct Bitmap Bitmap;
      28             : 
      29             : Bitmap *bitmap_new(void);
      30             : 
      31             : void bitmap_free(Bitmap *b);
      32             : 
      33             : int bitmap_ensure_allocated(Bitmap **b);
      34             : 
      35             : int bitmap_set(Bitmap *b, unsigned n);
      36             : void bitmap_unset(Bitmap *b, unsigned n);
      37             : bool bitmap_isset(Bitmap *b, unsigned n);
      38             : bool bitmap_isclear(Bitmap *b);
      39             : void bitmap_clear(Bitmap *b);
      40             : 
      41             : bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n);
      42             : 
      43             : bool bitmap_equal(Bitmap *a, Bitmap *b);
      44             : 
      45             : #define BITMAP_FOREACH(n, b, i) \
      46             :         for ((i).idx = 0; bitmap_iterate((b), &(i), (unsigned*)&(n)); )
      47             : 
      48           1 : DEFINE_TRIVIAL_CLEANUP_FUNC(Bitmap*, bitmap_free);
      49             : 
      50             : #define _cleanup_bitmap_free_ _cleanup_(bitmap_freep)