1 files changed, 109 insertions, 0 deletions
diff --git a/src/basic/ordered-set.h b/src/basic/ordered-set.h
new file mode 100644
index 0000000..e73da20
--- /dev/null
+++ b/src/basic/ordered-set.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdio.h>
+
+#include "hashmap.h"
+
+typedef struct OrderedSet OrderedSet;
+
+static inline OrderedSet* _ordered_set_new(const struct hash_ops *ops  HASHMAP_DEBUG_PARAMS) {
+        return (OrderedSet*) _ordered_hashmap_new(ops  HASHMAP_DEBUG_PASS_ARGS);
+}
+#define ordered_set_new(ops) _ordered_set_new(ops  HASHMAP_DEBUG_SRC_ARGS)
+
+int _ordered_set_ensure_allocated(OrderedSet **s, const struct hash_ops *ops  HASHMAP_DEBUG_PARAMS);
+#define ordered_set_ensure_allocated(s, ops) _ordered_set_ensure_allocated(s, ops  HASHMAP_DEBUG_SRC_ARGS)
+
+int _ordered_set_ensure_put(OrderedSet **s, const struct hash_ops *ops, void *p  HASHMAP_DEBUG_PARAMS);
+#define ordered_set_ensure_put(s, hash_ops, key) _ordered_set_ensure_put(s, hash_ops, key  HASHMAP_DEBUG_SRC_ARGS)
+
+static inline void ordered_set_clear(OrderedSet *s) {
+        return ordered_hashmap_clear((OrderedHashmap*) s);
+}
+
+static inline void ordered_set_clear_free(OrderedSet *s) {
+        return ordered_hashmap_clear_free((OrderedHashmap*) s);
+}
+
+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_contains(OrderedSet *s, const void *p) {
+        return ordered_hashmap_contains((OrderedHashmap*) s, p);
+}
+
+static inline int ordered_set_put(OrderedSet *s, void *p) {
+        return ordered_hashmap_put((OrderedHashmap*) s, p, p);
+}
+
+static inline void *ordered_set_get(OrderedSet *s, const void *p) {
+        return ordered_hashmap_get((OrderedHashmap*) s, p);
+}
+
+static inline unsigned ordered_set_size(OrderedSet *s) {
+        return ordered_hashmap_size((OrderedHashmap*) s);
+}
+
+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_first(OrderedSet *s) {
+        return ordered_hashmap_first((OrderedHashmap*) s);
+}
+
+static inline void* ordered_set_steal_first(OrderedSet *s) {
+        return ordered_hashmap_steal_first((OrderedHashmap*) s);
+}
+
+static inline char** ordered_set_get_strv(OrderedSet *s) {
+        return _hashmap_get_strv(HASHMAP_BASE((OrderedHashmap*) s));
+}
+
+static inline int ordered_set_reserve(OrderedSet *s, unsigned entries_add) {
+        return ordered_hashmap_reserve((OrderedHashmap*) s, entries_add);
+}
+
+int ordered_set_consume(OrderedSet *s, void *p);
+int _ordered_set_put_strdup(OrderedSet **s, const char *p  HASHMAP_DEBUG_PARAMS);
+#define ordered_set_put_strdup(s, p) _ordered_set_put_strdup(s, p  HASHMAP_DEBUG_SRC_ARGS)
+int _ordered_set_put_strdupv(OrderedSet **s, char **l  HASHMAP_DEBUG_PARAMS);
+#define ordered_set_put_strdupv(s, l) _ordered_set_put_strdupv(s, l  HASHMAP_DEBUG_SRC_ARGS)
+int ordered_set_put_string_set(OrderedSet **s, OrderedSet *l);
+void ordered_set_print(FILE *f, const char *field, OrderedSet *s);
+
+#define _ORDERED_SET_FOREACH(e, s, i) \
+        for (Iterator i = ITERATOR_FIRST; ordered_set_iterate((s), &i, (void**)&(e)); )
+#define ORDERED_SET_FOREACH(e, s) \
+        _ORDERED_SET_FOREACH(e, s, UNIQ_T(i, UNIQ))
+
+#define ordered_set_clear_with_destructor(s, f)                 \
+        ({                                                      \
+                OrderedSet *_s = (s);                           \
+                void *_item;                                    \
+                while ((_item = ordered_set_steal_first(_s)))   \
+                        f(_item);                               \
+                _s;                                             \
+        })
+#define ordered_set_free_with_destructor(s, f)                  \
+        ordered_set_free(ordered_set_clear_with_destructor(s, f))
+
+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)