X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/295e0ff936937ae1b860c7e7271f63a670df25a3..f6033c46c877646b95bc2e99ce69097203bc5c77:/lib/event.c

diff --git a/lib/event.c b/lib/event.c
index bb9d4ea..9c48ed1 100644
--- a/lib/event.c
+++ b/lib/event.c
@@ -978,6 +978,8 @@ ev_writer *ev_writer_new(ev_source *ev,
  * descriptor as and when it is writable.
  */
 struct sink *ev_writer_sink(ev_writer *w) {
+  if(!w)
+    fatal(0, "ev_write_sink called with null writer");
   return &w->s;
 }