From 4754880099059865cad14f54af683bf416ad4439 Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Wed, 8 Oct 2008 18:32:06 +0000
Subject: [PATCH] fix missing null-pointer check

---
 lib/url.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/url.c b/lib/url.c
index a1174a63b..fe32cba77 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -1501,8 +1501,14 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
      * user:password to use in the operation
      */
     {
-      char* userpwd = va_arg(param, char *);
-      char* separator = strchr(userpwd, ':');
+      char* userpwd;
+      char* separator;
+
+      userpwd = va_arg(param, char *);
+      if(userpwd == NULL)
+        break;
+
+      separator = strchr(userpwd, ':');
       if (separator != NULL) {
 
         /* store username part of option */