[compiler] More small refactoring

Signed-off-by: Quinn Stephens <quinn@osmora.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/compiler/hashmap.c b/compiler/hashmap.c
index 0fb2e14..e5aed7b 100644
--- a/compiler/hashmap.c
+++ b/compiler/hashmap.c
@@ -5,6 +5,7 @@
  */
 
 #include <stddef.h>
+#include <stdlib.h>
 #include "hashmap.h"
 
 void
@@ -31,6 +32,21 @@ hashmap_find(struct hashmap *map, hash_t hash)
 }
 
 void
+hashmap_free_entries(struct hashmap *map)
+{
+    struct hashmap_entry *ent, *next;
+
+    for (size_t r = 0; r < map->n_rows; r++) {
+        ent = (struct hashmap_entry*)map->rows[r].head;
+        while (ent != (struct hashmap_entry*)&map->rows[r]) {
+            next = (struct hashmap_entry*)ent->list_entry.next;
+            free(ent);
+            ent = next;
+        }
+    }
+}
+
+void
 hashmap_init(struct hashmap *map)
 {
     for (size_t r = 0; r < map->n_rows; r++) {