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-rw-r--r--src/basic/ordered-set.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/basic/ordered-set.h b/src/basic/ordered-set.h
new file mode 100644
index 0000000..7cbb718
--- /dev/null
+++ b/src/basic/ordered-set.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#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) {
+ return (OrderedSet*) ordered_hashmap_free((OrderedHashmap*) s);
+}
+
+static inline OrderedSet* ordered_set_free_free(OrderedSet *s) {
+ return (OrderedSet*) ordered_hashmap_free_free((OrderedHashmap*) s);
+}
+
+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);
+}
+
+static inline void* ordered_set_remove(OrderedSet *s, void *p) {
+ return ordered_hashmap_remove((OrderedHashmap*) s, p);
+}
+
+static inline void* ordered_set_steal_first(OrderedSet *s) {
+ return ordered_hashmap_steal_first((OrderedHashmap*) s);
+}
+
+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)