From 9a5f01fb1c6bb99b07bd28094efbfb566057109d Mon Sep 17 00:00:00 2001
From: Sean Chen <skypemaster007@gmail.com>
Date: Wed, 24 Oct 2018 11:37:17 -0700
Subject: [PATCH] Add cache_free function to cache.c and cache.h

---
 src/cache.c | 15 +++++++++++++++
 src/cache.h |  1 +
 2 files changed, 16 insertions(+)

diff --git a/src/cache.c b/src/cache.c
index 8426b2fe8..19134906e 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -96,6 +96,21 @@ struct cache *cache_create(int max_size, int hashsize)
     ///////////////////
 }
 
+void cache_free(struct cache *cache)
+{
+    struct cache_entry *cur_entry = cache->head;
+
+    hashtable_destroy(cache->index);
+
+    while (cur_entry != NULL) {
+        struct cache_entry *next_entry = cur_entry->next;
+
+        free_entry(cur_entry);
+
+        cur_entry = next_entry;
+    }
+}
+
 /**
  * Store an entry in the cache
  *
diff --git a/src/cache.h b/src/cache.h
index 5dd2db0a7..f64c976ad 100644
--- a/src/cache.h
+++ b/src/cache.h
@@ -22,6 +22,7 @@ struct cache {
 extern struct cache_entry *alloc_entry(char *path, char *content_type, void *content, int content_length);
 extern void free_entry(struct cache_entry *entry);
 extern struct cache *cache_create(int max_size, int hashsize);
+extern void cache_free(struct cache *cache);
 extern void cache_put(struct cache *cache, char *path, char *content_type, void *content, int content_length);
 extern struct cache_entry *cache_get(struct cache *cache, char *path);