Remove the free assumption from libab_ref.

include/refcount.h

@@ -79,6 +79,11 @@ void libab_ref_free(libab_ref* ref);
  * Copies this reference, thereby increasing the reference count.
  */
 void libab_ref_copy(const libab_ref* ref, libab_ref* into);
+/**
+ * Function that can be passed in to refcount to simply use free
+ * when the refcount reaches 0.
+ */
+void libab_ref_data_free(void*);
 /**
  * Gets the value of the reference.
  */

src/parser.c

@@ -312,7 +312,10 @@ libab_result _parse_type_raw(struct parser_state* state,
     return result;
 }
 
-void _parse_type_free(void* data) { libab_parsetype_free(data); }
+void _parse_type_free(void* data) {
+    libab_parsetype_free(data);
+    free(data);
+}
 
 libab_result _parse_type(struct parser_state* state, libab_ref* into) {
     libab_parsetype* store_into;

src/refcount.c

@@ -31,7 +31,6 @@ void _libab_ref_changed(libab_ref* ref) {
         if (ref->count->free_func) {
             ref->count->free_func(ref->data);
         }
-        free(ref->data);
     }
     if (ref->count->weak == 0) {
         free(ref->count);
@@ -58,6 +57,8 @@ void libab_ref_copy(const libab_ref* ref, libab_ref* into) {
     memcpy(into, ref, sizeof(*ref));
 }
 
+void libab_ref_data_free(void* data) { free(data); }
+
 void* libab_ref_get(const libab_ref* ref) {
     void* to_return = NULL;
     if (ref->count->strong > 0) {