From 61c39a72f5cc21e6d0d708efbe13b52e311ddf61 Mon Sep 17 00:00:00 2001
From: piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Tue, 22 Apr 2008 18:30:04 +0000
Subject: - 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
---
 mbbsd/menu.c | 6 ++++++
 mbbsd/talk.c | 8 ++++++++
 2 files changed, 14 insertions(+)

(limited to 'mbbsd')

diff --git a/mbbsd/menu.c b/mbbsd/menu.c
index 035cf1ef..fd515146 100644
--- a/mbbsd/menu.c
+++ b/mbbsd/menu.c
@@ -140,6 +140,12 @@ ZA_Waiting(void)
     return (zacmd != 0);
 }
 
+void
+ZA_Drop(void)
+{
+    zacmd = 0;
+}
+
 // Promp user our ZA bar and return for selection.
 int
 ZA_Select(void)
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;
-- 
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