--- trunk/OOPSE-2.0/src/UseTheForce/DUFF.cpp	2004/10/26 22:24:52	1650
+++ trunk/OOPSE-2.0/src/UseTheForce/DUFF.cpp	2004/10/27 00:01:29	1653
@@ -454,10 +454,8 @@ DUFF::DUFF(){
 
 DUFF::DUFF(){
 
-  char fileName[200];
-  char* ffPath_env = "FORCE_PARAM_PATH";
-  char* ffPath;
-  char temp[200];
+  string fileName;
+  string tempString;
 
   headAtomType       = NULL; 
   currentAtomType    = NULL;
@@ -567,29 +565,21 @@ DUFF::DUFF(){
     
     // generate the force file name
     
-    strcpy( fileName, "DUFF.frc" ); 
+    fileName = "DUFF.frc";
     //    fprintf( stderr,"Trying to open %s\n", fileName );
     
     // attempt to open the file in the current directory first.
     
-    frcFile = fopen( fileName, "r" );
+    frcFile = fopen( fileName.c_str(), "r" );
     
     if( frcFile == NULL ){
       
       // next see if the force path enviorment variable is set
-      
-      ffPath = getenv( ffPath_env );
-      if( ffPath == NULL ) {
-	STR_DEFINE(ffPath, FRC_PATH );
-      }
-      
-      
-      strcpy( temp, ffPath );
-      strcat( temp, "/" );
-      strcat( temp, fileName );
-      strcpy( fileName, temp );
-      
-      frcFile = fopen( fileName, "r" );
+
+      tempString = ffPath + "/" + fileName;
+      fileName = tempString;
+            
+      frcFile = fopen( fileName.c_str(), "r" );
       
       if( frcFile == NULL ){
 	
@@ -598,7 +588,7 @@ DUFF::DUFF(){
                  "\t%s\n"
 		 "\tHave you tried setting the FORCE_PARAM_PATH environment "
 		 "variable?\n",
-		 fileName );
+		 fileName.c_str() );
         painCave.severity = OOPSE_ERROR;
 	painCave.isFatal = 1;
 	simError();