From 35c8e67749df3b9694e5478e41c09df10c4816d9 Mon Sep 17 00:00:00 2001
From: Vladimir Prus <ghost@cs.msu.su>
Date: Mon, 26 Sep 2005 05:26:14 +0000
Subject: [PATCH] Robustify the var_defined function -- don't crash if variable
 value is a single quote.

Patch from Lewis Hyatt.


[SVN r31119]
---
 src/engine/variable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engine/variable.c b/src/engine/variable.c
index 70191c007..0835e6203 100644
--- a/src/engine/variable.c
+++ b/src/engine/variable.c
@@ -121,7 +121,7 @@ var_defines( char *const* e, int preprocess )
 # endif
                 size_t len = strlen(val + 1);
 
-                int quoted = val[1] == '"' && val[len] == '"';
+                int quoted = val[1] == '"' && val[len] == '"' && len > 1;
                 
                 if ( quoted && preprocess )
                 {