Prune old hostcache entries with each call...

This can be optimized a tidbit, but this is a start.

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/hash.c b/lib/hash.c
index dd2f00b6a..a262b2a44 100644
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -249,6 +249,26 @@ curl_hash_clean(curl_hash *h)
 }
 /* }}} */
 
+/* {{{ void curl_hash_clean_with_criterium (curl_hash *, void *, int (*)(void *, void *))
+ */
+void
+curl_hash_clean_with_criterium(curl_hash *h, void *user, int (*comp)(void *, void *))
+{
+  curl_llist_element *le;
+  int i;
+
+  for (i = 0; i < h->slots; ++i) {
+    for (le = CURL_LLIST_HEAD(h->table[i]);
+         le != NULL;
+         le = CURL_LLIST_NEXT(le)) {
+      if (comp(user, ((curl_hash_element *) CURL_LLIST_VALP(le))->ptr)) {
+        curl_llist_remove(h->table[i], le, (void *) h);
+        --h->size;
+      }
+    }
+  }
+}
+
 /* {{{ int curl_hash_count (curl_hash *)
  */
 int