4 files changed, 83 insertions, 0 deletions
diff --git a/inc/lib/hash.h b/inc/lib/hash.h
new file mode 100644
index 0000000..7cfad83
--- /dev/null
+++ b/inc/lib/hash.h
@@ -0,0 +1,14 @@
+// Copyright (c) 2023, Marvin Borner <dev@marvinborner.de>
+// SPDX-License-Identifier: MIT
+
+#ifndef SHARING_HASH_H
+#define SHARING_HASH_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef uint64_t hash_t;
+
+hash_t hash(void *data, size_t len, uint64_t seed);
+
+#endif
diff --git a/inc/lib/hashmap.h b/inc/lib/hashmap.h
new file mode 100644
index 0000000..db70bdd
--- /dev/null
+++ b/inc/lib/hashmap.h
@@ -0,0 +1,31 @@
+// Copyright 2020 Joshua J Baker. All rights reserved.
+// Copyright 2023 Marvin Borner
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+#ifndef SHARING_HASHMAP_H
+#define SHARING_HASHMAP_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+struct hashmap;
+
+struct hashmap *hashmap_new(size_t elsize, size_t cap,
+			    void (*elfree)(void *item));
+
+void hashmap_free(struct hashmap *map);
+void hashmap_clear(struct hashmap *map, bool update_cap);
+size_t hashmap_count(struct hashmap *map);
+bool hashmap_oom(struct hashmap *map);
+void *hashmap_probe(struct hashmap *map, uint64_t position);
+bool hashmap_scan(struct hashmap *map, bool (*iter)(void *item));
+bool hashmap_iter(struct hashmap *map, size_t *i, void **item);
+
+void *hashmap_get(struct hashmap *map, uint64_t hash);
+void *hashmap_delete(struct hashmap *map, uint64_t hash);
+void *hashmap_set(struct hashmap *map, void *item, uint64_t hash);
+void hashmap_set_grow_by_power(struct hashmap *map, size_t power);
+
+#endif
diff --git a/inc/lib/list.h b/inc/lib/list.h
new file mode 100644
index 0000000..b57d85b
--- /dev/null
+++ b/inc/lib/list.h
@@ -0,0 +1,15 @@
+// Copyright (c) 2023, Marvin Borner <dev@marvinborner.de>
+// SPDX-License-Identifier: MIT
+
+#ifndef SHARING_LIST_H
+#define SHARING_LIST_H
+
+struct list {
+	void *data;
+	struct list *next;
+};
+
+struct list *list_add(struct list *list, void *data);
+void list_free(struct list *list);
+
+#endif
diff --git a/inc/lib/queue.h b/inc/lib/queue.h
new file mode 100644
index 0000000..b0d22ef
--- /dev/null
+++ b/inc/lib/queue.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2023, Marvin Borner <dev@marvinborner.de>
+// SPDX-License-Identifier: MIT
+
+#ifndef SHARING_QUEUE_H
+#define SHARING_QUEUE_H
+
+struct queue_node {
+	void *data;
+	struct queue_node *next;
+};
+
+struct queue {
+	struct queue_node *head;
+	struct queue_node *tail;
+};
+
+struct queue *queue_new(void);
+void queue_free(struct queue *queue);
+void queue_push(struct queue *queue, void *data);
+void *queue_pop(struct queue *queue);
+int queue_empty(struct queue *queue);
+
+#endif