From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Sat, 16 Jul 2011 12:03:14 +0000 (+0000)
Subject: Mostly cosmetic change: don't claim to have found an SSH agent if
X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/commitdiff_plain/2527703c0690f4a24224068ff3a2e009d29447fa

Mostly cosmetic change: don't claim to have found an SSH agent if
SSH_AUTH_SOCK is defined to the empty string. (Because a common way to
'unset' it is to run commands like 'SSH_AUTH_SOCK= putty -load thing'.)


git-svn-id: svn://svn.tartarus.org/sgt/putty@9225 cda61777-01e9-0310-a592-d414129be87e
---

diff --git a/unix/uxagentc.c b/unix/uxagentc.c
index 3605c601..9f579cd9 100644
--- a/unix/uxagentc.c
+++ b/unix/uxagentc.c
@@ -17,7 +17,8 @@
 
 int agent_exists(void)
 {
-    if (getenv("SSH_AUTH_SOCK") != NULL)
+    const char *p = getenv("SSH_AUTH_SOCK");
+    if (p && *p)
 	return TRUE;
     return FALSE;
 }