Initial commit

1 files changed, 26 insertions, 0 deletions

diff --git a/src/skadns/skadns_release.c b/src/skadns/skadns_release.c
new file mode 100644
index 0000000..9fba737
--- /dev/null
+++ b/src/skadns/skadns_release.c
@@ -0,0 +1,26 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/uint16.h>
+#include <skalibs/alloc.h>
+#include <skalibs/gensetdyn.h>
+#include <s6-dns/skadns.h>
+
+int skadns_release (skadns_t *a, uint16 id)
+{
+  register skadnsanswer_t *p = GENSETDYN_P(skadnsanswer_t, &a->q, id) ;
+  switch (p->status)
+  {
+    case 0 :
+      alloc_free(p->data) ; p->data = 0 ; p->len = 0 ;
+      break ;
+    case EAGAIN :
+    case ECANCELED :
+      return (errno = EBUSY, 0) ;
+    case EINVAL :
+      return (errno = EINVAL, 0) ;
+    default : break ;
+  }
+  p->status = EINVAL ;
+  return gensetdyn_delete(&a->q, id) ;
+}