- ZA: simple workaround to prevent Ctrl-U re-entrant issue

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4237 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 8 insertions, 0 deletions

diff --git a/mbbsd/talk.c b/mbbsd/talk.c
index 013b9885..099006e4 100644
--- a/mbbsd/talk.c
+++ b/mbbsd/talk.c
@@ -3061,6 +3061,14 @@ t_users(void)
 	abort_bbs(0);
     }
 
+    // cannot do ZA for re-entrant.
+    // usually happens when doing ^U, ^Z with non-return
+    // env like editor.
+    if (ZA_Waiting())
+	ZA_Drop();
+
+    // TODO drop if we were already in t_users?
+
     setutmpmode(LUSERS);
     userlist();
     currutmp->mode = mode0;