minor change to trim

1 files changed, 7 insertions, 5 deletions

diff --git a/cpp/src/IceUtil/StringUtil.cpp b/cpp/src/IceUtil/StringUtil.cpp
index 2d56cf06a93..e087e5586dc 100644
--- a/cpp/src/IceUtil/StringUtil.cpp
+++ b/cpp/src/IceUtil/StringUtil.cpp
@@ -371,13 +371,15 @@ string
 IceUtilInternal::trim(const string& s)
 {
     static const string delim = " \t\r\n";
-    if(s.length() != 0)
+    string::size_type beg = s.find_first_not_of(delim);
+    if(beg == string::npos)
     {
-        string::size_type beg = s.find_first_not_of(delim);
-        string::size_type end = s.find_last_not_of(delim);
-        return s.substr(beg, end - beg + 1);
+        return "";
+    }
+    else
+    {
+        return s.substr(beg, s.find_last_not_of(delim) - beg + 1);
     }
-    return s;
 }
 
 //