From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sun, 9 Jan 2011 13:31:47 +0000 (+0000)
Subject: realtime: do not crash and/or recurse if die called too early
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=444b991c6aa389131e1cd3f193facdc4765bb089;p=trains.git

realtime: do not crash and/or recurse if die called too early
---

diff --git a/hostside/realtime.c b/hostside/realtime.c
index eec52e4..e56b4cf 100644
--- a/hostside/realtime.c
+++ b/hostside/realtime.c
@@ -232,7 +232,7 @@ void ouhex_nosim(const char *word, const Byte *command, int length) {
 
 void die_vprintf_hook(const char *fmt, va_list al) {
   static int recursing;
-  if (!recursing++)
+  if (cmdi.out.desc && !recursing++)
     ouvprintf(fmt, al);
   recursing--;
 }