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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
commit19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch)
treed59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/shared/bitmap.h
parentInitial commit. (diff)
downloadsystemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.tar.xz
systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.zip
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/shared/bitmap.h')
-rw-r--r--src/shared/bitmap.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/shared/bitmap.h b/src/shared/bitmap.h
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--- /dev/null
+++ b/src/shared/bitmap.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include <stdbool.h>
+
+#include "hashmap.h"
+#include "macro.h"
+
+typedef struct Bitmap Bitmap;
+
+Bitmap *bitmap_new(void);
+Bitmap *bitmap_copy(Bitmap *b);
+int bitmap_ensure_allocated(Bitmap **b);
+void bitmap_free(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);
+
+bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n);
+
+bool bitmap_equal(Bitmap *a, Bitmap *b);
+
+#define BITMAP_FOREACH(n, b, i) \
+ for ((i).idx = 0; bitmap_iterate((b), &(i), (unsigned*)&(n)); )
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(Bitmap*, bitmap_free);
+
+#define _cleanup_bitmap_free_ _cleanup_(bitmap_freep)