- replace exit calls with return statements to avoid compiler warnings   about main function return value - fix memory leak - fix buffer overflow
- replace exit calls with return statements to avoid compiler warnings
  about main function return value
- fix memory leak
- fix buffer overflow

globus/globus-toolkit,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,gridcf/gct,ellert/globus-toolkit,globus/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,globus/globus-toolkit,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,gridcf/gct,globus/globus-toolkit