Don't crash in strutils::trim() with empty strings

2010-10-05 22:39:41 +02:00
parent ddf9e08069
commit 0994ffc195
1 changed files with 2 additions and 3 deletions
--- a/simgear/misc/strutils.cxx
+++ b/simgear/misc/strutils.cxx
@@ -131,10 +131,9 @@ namespace simgear {
 	static string
 	do_strip( const string& s, int striptype )
 	{
-	    //     if (s.empty())
-	    //      return s;
-
 	    string::size_type len = s.length();
+	    if( len == 0 ) // empty string is trivial
+		return s;
 	    string::size_type i = 0;
 	    if (striptype != RIGHTSTRIP)
 	    {