From 41a0bc8fb60036ce10b7355f48ea6f5ebbac1bfb Mon Sep 17 00:00:00 2001
From: Michael Jerris <mike@jerris.com>
Date: Mon, 19 May 2008 18:43:01 +0000
Subject: [PATCH] don't deref NULL. Found by Klockwork (www.klocwork.com)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8468 d0543943-73ff-0310-b7d9-9358b9ac24b2
---
 src/switch_utils.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/switch_utils.c b/src/switch_utils.c
index d64dae7829..b59bbfffcb 100644
--- a/src/switch_utils.c
+++ b/src/switch_utils.c
@@ -568,12 +568,16 @@ SWITCH_DECLARE(char *) switch_strip_spaces(const char *str)
 	const char *sp = str;
 	char *p, *s = NULL;
 	
-	while(sp && *sp && *sp == ' ') {
+	if (!sp) return NULL;
+
+	while(*sp == ' ') {
 		sp++;
 	}
 	
 	s = strdup(sp);
 
+	if (!s) return NULL;
+
 	p = s + (strlen(s) - 1);
 
 	while(*p == ' ') {