From 1b95e78d54466842ffe7be236a76c795a2e47fa7 Mon Sep 17 00:00:00 2001
From: piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Sun, 7 Jun 2009 13:45:23 +0000
Subject:  * fix: crashed for read_more case in tty_read.    * example: got
 waterball then SEGV  * reason: telnet_process should take signed size_t.

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4515 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 mbbsd/telnet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mbbsd')

diff --git a/mbbsd/telnet.c b/mbbsd/telnet.c
index f348f08c..d60254ac 100644
--- a/mbbsd/telnet.c
+++ b/mbbsd/telnet.c
@@ -55,7 +55,7 @@ tty_read(unsigned char *buf, size_t max)
     if(l == 0 || (l < 0 && !(errno == EINTR || errno == EAGAIN)))
 	abort_bbs(0);
 
-    if(!raw_connection)
+    if(!raw_connection || l <= 0)
 	return l;
 
     l = telnet_process(ctx, buf, l);
-- 
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