src/basic/bitmap.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <stdbool.h>
   5
   6 #include "hashmap.h"
   7 #include "macro.h"
   8
   9 typedef struct Bitmap Bitmap;
  10
  11 Bitmap *bitmap_new(void);
  12 Bitmap *bitmap_copy(Bitmap *b);
  13 int bitmap_ensure_allocated(Bitmap **b);
  14 void bitmap_free(Bitmap *b);
  15
  16 int bitmap_set(Bitmap *b, unsigned n);
  17 void bitmap_unset(Bitmap *b, unsigned n);
  18 bool bitmap_isset(Bitmap *b, unsigned n);
  19 bool bitmap_isclear(Bitmap *b);
  20 void bitmap_clear(Bitmap *b);
  21
  22 bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n);
  23
  24 bool bitmap_equal(Bitmap *a, Bitmap *b);
  25
  26 #define BITMAP_FOREACH(n, b, i) \
  27         for ((i).idx = 0; bitmap_iterate((b), &(i), (unsigned*)&(n)); )
  28
  29 DEFINE_TRIVIAL_CLEANUP_FUNC(Bitmap*, bitmap_free);
  30
  31 #define _cleanup_bitmap_free_ _cleanup_(bitmap_freep)