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authorAnthony G. Basile <blueness@gentoo.org>2012-11-17 16:22:12 -0500
committerAnthony G. Basile <blueness@gentoo.org>2012-11-17 16:22:12 -0500
commit7730dfb5e1fc7e2f8b1df0eb9ef62c451a5f725f (patch)
tree1f96b7f42e8326d11be9a11f12c98ee4a30cfc70 /src/udev/set.h
parentb0dd066bccc9bfabc3df290debc1d55dfb9596e5 (diff)
Restructure src/ as per lu_zero
Diffstat (limited to 'src/udev/set.h')
-rw-r--r--src/udev/set.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/udev/set.h b/src/udev/set.h
new file mode 100644
index 0000000000..9162e2ae80
--- /dev/null
+++ b/src/udev/set.h
@@ -0,0 +1,71 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ 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/>.
+***/
+
+/* Pretty straightforward set implementation. Internally based on the
+ * hashmap. That means that as a minor optimization a NULL set
+ * object will be treated as empty set for all read
+ * operations. That way it is not necessary to instantiate an object
+ * for each set use. */
+
+#include "hashmap.h"
+
+typedef struct Set Set;
+
+Set *set_new(hash_func_t hash_func, compare_func_t compare_func);
+void set_free(Set* s);
+void set_free_free(Set *s);
+Set* set_copy(Set *s);
+int set_ensure_allocated(Set **s, hash_func_t hash_func, compare_func_t compare_func);
+
+int set_put(Set *s, void *value);
+int set_replace(Set *s, void *value);
+void *set_get(Set *s, void *value);
+bool set_contains(Set *s, void *value);
+void *set_remove(Set *s, void *value);
+int set_remove_and_put(Set *s, void *old_value, void *new_value);
+
+int set_merge(Set *s, Set *other);
+void set_move(Set *s, Set *other);
+int set_move_one(Set *s, Set *other, void *value);
+
+unsigned set_size(Set *s);
+bool set_isempty(Set *s);
+
+void *set_iterate(Set *s, Iterator *i);
+void *set_iterate_backwards(Set *s, Iterator *i);
+void *set_iterate_skip(Set *s, void *value, Iterator *i);
+
+void set_clear(Set *s);
+void set_clear_free(Set *s);
+
+void *set_steal_first(Set *s);
+void* set_first(Set *s);
+void* set_last(Set *s);
+
+char **set_get_strv(Set *s);
+
+#define SET_FOREACH(e, s, i) \
+ for ((i) = ITERATOR_FIRST, (e) = set_iterate((s), &(i)); (e); (e) = set_iterate((s), &(i)))
+
+#define SET_FOREACH_BACKWARDS(e, s, i) \
+ for ((i) = ITERATOR_LAST, (e) = set_iterate_backwards((s), &(i)); (e); (e) = set_iterate_backwards((s), &(i)))