From d6ecce40f9d7e1df823685bf78405143f92f6656 Mon Sep 17 00:00:00 2001
From: "Peter J. Holzer" <hjp@hjp.at>
Date: Sat, 24 Oct 2020 01:52:00 +0200
Subject: [PATCH] Free list after each test

---
 c/linked-list.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/c/linked-list.c b/c/linked-list.c
index 2b5e984..b7ce946 100644
--- a/c/linked-list.c
+++ b/c/linked-list.c
@@ -58,6 +58,17 @@ resultT traverse(nodeT *p) {
     }
 }
 
+void teardown(nodeT *p) {
+    nodeT *first = p;
+    do {
+        nodeT *next = p->next;
+        p->value = 0;
+        p->next = NULL;
+        free(p);
+        p = next;
+    } while (p != first);
+}
+
 int main (void) {
     size_t n;
     for (n = 2; ; n *= 2) {
@@ -65,5 +76,6 @@ int main (void) {
         resultT r = traverse(p);
         printf("%zu %zu %g %g %" PRIuFAST64 "\n",
                n, r.count, r.total_time, r.avg_time, r.sum);
+        teardown(p);
     }
 }