feat(hash_map): hash_map

src/utils/hash_map/hash_map.h

@@ -0,0 +1,34 @@
+#ifndef HASH_MAP_H
+#define HASH_MAP_H
+
+#include <stdbool.h>
+#include <stddef.h>
+
+struct pair_list
+{
+    const char *key;
+    void *value;
+    struct pair_list *next;
+};
+
+struct hash_map
+{
+    struct pair_list **data;
+    size_t size;
+};
+
+struct hash_map *hash_map_init(size_t size);
+
+bool hash_map_insert(struct hash_map *hash_map, const char *key, void *value,
+                     bool *updated);
+
+void hash_map_free(struct hash_map *hash_map);
+
+void hash_map_foreach(struct hash_map *hash_map,
+                      void (*fn)(const char *, const void *));
+
+const void *hash_map_get(const struct hash_map *hash_map, const char *key);
+
+bool hash_map_remove(struct hash_map *hash_map, const char *key);
+
+#endif /* ! HASH_MAP_H */