From d2ade1f5b4f8c438353d79085c55b1c06436b372 Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Thu, 29 Oct 2015 13:11:32 +0100
Subject: [PATCH] call h_arena_free when resizing in h_carray_append

---
 src/datastructures.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/datastructures.c b/src/datastructures.c
index 0feeb217..af8477be 100644
--- a/src/datastructures.c
+++ b/src/datastructures.c
@@ -25,11 +25,12 @@ HCountedArray *h_carray_new(HArena * arena) {
 
 void h_carray_append(HCountedArray *array, void* item) {
   if (array->used >= array->capacity) {
-    HParsedToken **elements = h_arena_malloc(array->arena, (array->capacity *= 2) * sizeof(HCountedArray*));
+    HParsedToken **elements = h_arena_malloc(array->arena, (array->capacity *= 2) * sizeof(void*));
     for (size_t i = 0; i < array->used; i++)
       elements[i] = array->elements[i];
     for (size_t i = array->used; i < array->capacity; i++)
       elements[i] = 0;
+    h_arena_free(array->arena, array->elements);
     array->elements = elements;
   }
   array->elements[array->used++] = item;
-- 
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