From a40294f9a91fa3c102669d449cec00c93c5bba68 Mon Sep 17 00:00:00 2001
From: kevin <kpl@larke.org>
Date: Sun, 13 Jan 2013 16:36:40 -0800
Subject: [PATCH] cmText.c cmTextIsEmpty() now returns true when input == NULL.

---
 cmText.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/cmText.c b/cmText.c
index 8922193..fd0fe35 100644
--- a/cmText.c
+++ b/cmText.c
@@ -603,9 +603,10 @@ cmChar_t* cmTextAppendChar( cmChar_t* s, cmChar_t c, unsigned n )
 
 bool cmTextIsEmpty( const cmChar_t* s )
 {
-  for(; *s; ++s )
-    if( !isspace(*s) )
-      return false;
+  if( s!=NULL )
+    for(; *s; ++s )
+      if( !isspace(*s) )
+        return false;
   return true;
 }