From 6d1138864fc75651ce79aa2748deb7feba1bac91 Mon Sep 17 00:00:00 2001
From: jacob <jacob@cda61777-01e9-0310-a592-d414129be87e>
Date: Fri, 29 Aug 2003 22:14:04 +0000
Subject: [PATCH] dupstr() should cope with being passed NULL

git-svn-id: svn://svn.tartarus.org/sgt/putty@3429 cda61777-01e9-0310-a592-d414129be87e
---
 misc.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/misc.c b/misc.c
index 3fea3746..78d829a9 100644
--- a/misc.c
+++ b/misc.c
@@ -11,9 +11,12 @@
 
 char *dupstr(const char *s)
 {
-    int len = strlen(s);
-    char *p = snewn(len + 1, char);
-    strcpy(p, s);
+    char *p = NULL;
+    if (s) {
+        int len = strlen(s);
+        p = snewn(len + 1, char);
+        strcpy(p, s);
+    }
     return p;
 }
 
-- 
2.11.0