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-rw-r--r--src/libbasic/ordered-set.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/src/libbasic/ordered-set.h b/src/libbasic/ordered-set.h
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+++ b/src/libbasic/ordered-set.h
@@ -0,0 +1,74 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2015 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/>.
+***/
+
+#include "hashmap.h"
+
+typedef struct OrderedSet OrderedSet;
+
+static inline OrderedSet* ordered_set_new(const struct hash_ops *ops) {
+ return (OrderedSet*) ordered_hashmap_new(ops);
+}
+
+static inline int ordered_set_ensure_allocated(OrderedSet **s, const struct hash_ops *ops) {
+ if (*s)
+ return 0;
+
+ *s = ordered_set_new(ops);
+ if (!*s)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static inline OrderedSet* ordered_set_free(OrderedSet *s) {
+ ordered_hashmap_free((OrderedHashmap*) s);
+ return NULL;
+}
+
+static inline OrderedSet* ordered_set_free_free(OrderedSet *s) {
+ ordered_hashmap_free_free((OrderedHashmap*) s);
+ return NULL;
+}
+
+static inline int ordered_set_put(OrderedSet *s, void *p) {
+ return ordered_hashmap_put((OrderedHashmap*) s, p, p);
+}
+
+static inline bool ordered_set_isempty(OrderedSet *s) {
+ return ordered_hashmap_isempty((OrderedHashmap*) s);
+}
+
+static inline bool ordered_set_iterate(OrderedSet *s, Iterator *i, void **value) {
+ return ordered_hashmap_iterate((OrderedHashmap*) s, i, value, NULL);
+}
+
+int ordered_set_consume(OrderedSet *s, void *p);
+int ordered_set_put_strdup(OrderedSet *s, const char *p);
+int ordered_set_put_strdupv(OrderedSet *s, char **l);
+
+#define ORDERED_SET_FOREACH(e, s, i) \
+ for ((i) = ITERATOR_FIRST; ordered_set_iterate((s), &(i), (void**)&(e)); )
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free);
+DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free_free);
+
+#define _cleanup_ordered_set_free_ _cleanup_(ordered_set_freep)
+#define _cleanup_ordered_set_free_free_ _cleanup_(ordered_set_free_freep)