1 files changed, 36 insertions, 0 deletions
diff --git a/src/libs6/ftrigr_unsubscribe.c b/src/libs6/ftrigr_unsubscribe.c
new file mode 100644
index 0000000..4833571
--- /dev/null
+++ b/src/libs6/ftrigr_unsubscribe.c
@@ -0,0 +1,36 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/uint16.h>
+#include <skalibs/tai.h>
+#include <skalibs/gensetdyn.h>
+#include <skalibs/skaclient.h>
+#include <s6/ftrigr.h>
+
+int ftrigr_unsubscribe (ftrigr_ref a, uint16 i, tain_t const *deadline, tain_t *stamp)
+{
+  ftrigr1_t *p ;
+  if (!i--) return (errno = EINVAL, 0) ;
+  p = GENSETDYN_P(ftrigr1_t, &a->data, i) ;
+  if (!p) return (errno = EINVAL, 0) ;
+  switch (p->state)
+  {
+    case FR1STATE_WAITACK :
+    case FR1STATE_WAITACKDATA :
+    {
+      char dummy ;
+      ftrigr_check(a, i+1, &dummy) ;
+      return 1 ;
+    }
+    default : break ;
+  }
+  {
+    char err ;
+    char pack[3] = "--U" ;
+    uint16_pack_big(pack, i) ;
+    if (!skaclient_send(&a->connection, pack, 3, &skaclient_default_cb, &err, deadline, stamp)) return 0 ;
+    if (err) return (errno = err, 0) ;
+  }
+  *p = ftrigr1_zero ;
+  return gensetdyn_delete(&a->data, i) ;
+}