fix whitespace

Author: markram1729

include/sta/StringUtil.hh

@@ -199,6 +199,13 @@ isTmpString(const char *str);
 void
 trimRight(std::string &str);
 
+// Trim left spaces.
+void
+trimLeft(std::string &str);
+
+void
+trim(std::string &str);
+
 typedef Vector<std::string> StringVector;
 
 void

util/StringUtil.cc

@@ -258,6 +258,18 @@ trimRight(string &str)
   str.erase(str.find_last_not_of(" ") + 1);
 }
 
+void
+trimLeft(string &str)
+{
+  str.erase(0, str.find_last_not_of(" "));
+}
+
+void
+trim(strin &str)
+{
+  trimLeft(str);
+  trimRight(str);
+}
 void
 split(const string &text,
       const string &delims,