Fixes and improvements

* Fix heap corruption on buffer growth.
* Define as static functions that are not used outside a TU.
* Other minor changes.

1 files changed, 12 insertions, 1 deletions

diff --git a/src/hashmap.h b/src/hashmap.h
index 5a1e22d..981c21b 100644
--- a/src/hashmap.h
+++ b/src/hashmap.h
@@ -31,16 +31,27 @@ struct hashmap *hashmap_new_with_cap(size_t cap);
 
 #define hashmap_new() hashmap_new_with_cap(HASHMAP_CAP)
 
+/* 
+ * Inserts a key-value pair into the map. Returns NULL if map did not have key,
+ * old value if it did. 
+ */
 void *hashmap_insert(struct hashmap *hm, const char *key, void *value);
 
+/* Returns a pointer to the value corresponding to the key. */
 void *hashmap_get(struct hashmap *hm, const char *key);
 
+/* Retrieve pointer to value by key, handles dot notation for nested hashmaps */
 void *hashmap_resolve(struct hashmap *hm, const char *key);
 
+/* 
+ * Removes a key from the map, returning the value at the key if the key was
+ * previously in the map.
+ */
 void *hashmap_remove(struct hashmap *hm, const char *key);
 
+/* free hashmap related memory */
 void hashmap_free(struct hashmap *hm);
 
-void hashmap_walk(struct hashmap *hm, void (*fn)(void *value));
+void hashmap_walk(struct hashmap *hm, void (*fn)(const void *key, void *value));
 
 #endif