Why is GCJ shy of overwriting a .class file?

[Andrew Haley]

Ranjit Mathew writes:
 > 
 > I read the MSDN documentation and found that MSVCRT
 > would return an error for rename( ) if the file
 > already exists, unlike Unix.
 > 
 > How does the following look?
 > --------------------------- 8< -----------------------------------
 > --- jcf-write.c Fri Nov  8 17:00:02 2002
 > +++ jcf-write.c Fri Nov  8 17:02:34 2002
 > @@ -3423,4 +3423,8 @@
 >         if (fclose (stream))
 >          fatal_io_error ("error closing %s", temporary_file_name);
 > +
 > +      /* On Win32, renaming to an existing file is an error */
 > +      remove (class_file_name);
 > +
 >         if (rename (temporary_file_name, class_file_name) == -1)
 >          {
 > --------------------------- 8< -----------------------------------

OK.

I'd add more commentary:

/* If a file named by the string pointed to by `new' exists prior to
   the call to the `rename' function, the bahaviour is
   implementation-defined.  ISO 9899-1990 7.9.4.2.  */

Andrew.