Refactor libdcache, expose dcache_clean_expired()

1 files changed, 20 insertions, 0 deletions

diff --git a/src/caches/dcache_clean_expired.c b/src/caches/dcache_clean_expired.c
new file mode 100644
index 0000000..5308d8a
--- /dev/null
+++ b/src/caches/dcache_clean_expired.c
@@ -0,0 +1,20 @@
+/* ISC license. */
+
+#include <stdint.h>
+
+#include <skalibs/tai.h>
+#include <skalibs/avltree.h>
+
+#include <s6-dns/dcache.h>
+#include "dcache-internal.h"
+
+void dcache_clean_expired (dcache_t *z, tain_t const *stamp)
+{
+  for (;;)
+  {
+    uint32_t i ;
+    if (!avltree_min(&z->by_expire, &i)) break ;
+    if (tain_less(stamp, &DNODE(z, i)->expire)) break ;
+    dcache_delete(z, i) ;
+  }
+}