From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Fri, 1 Nov 2002 18:51:22 +0000 (+0000)
Subject: Prevent another segfault. Oops.
X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/commitdiff_plain/d69a46c00d4706796c4060a91c5ab403d7438184

Prevent another segfault. Oops.


git-svn-id: svn://svn.tartarus.org/sgt/putty@2178 cda61777-01e9-0310-a592-d414129be87e
---

diff --git a/unix/uxplink.c b/unix/uxplink.c
index dab69475..6c5b5544 100644
--- a/unix/uxplink.c
+++ b/unix/uxplink.c
@@ -111,6 +111,9 @@ void try_output(int is_stderr)
     void *senddata;
     int sendlen, ret;
 
+    if (bufchain_size(chain) == 0)
+        return;
+
     bufchain_prefix(chain, &senddata, &sendlen);
     ret = write(fd, senddata, sendlen);
     if (ret > 0)