home *** CD-ROM | disk | FTP | other *** search
Text File | 1998-04-04 | 1.1 KB | 30 lines | [TEXT/McPL] |
- # NOTE: Derived from wintermute:Development:MacPerl:perl:lib:DynaLoader.pm. Changes made here will be lost.
- package DynaLoader;
-
- sub dl_expandspec {
- my($spec) = @_;
- # Optional function invoked if DynaLoader.pm sets $do_expand.
- # Most systems do not require or use this function.
- # Some systems may implement it in the dl_*.xs file in which case
- # this autoload version will not be called but is harmless.
-
- # This function is designed to deal with systems which treat some
- # 'filenames' in a special way. For example VMS 'Logical Names'
- # (something like unix environment variables - but different).
- # This function should recognise such names and expand them into
- # full file paths.
- # Must return undef if $spec is invalid or file does not exist.
-
- my $file = $spec; # default output to input
-
- if ($Is_VMS) { # dl_expandspec should be defined in dl_vms.xs
- Carp::croak("dl_expandspec: should be defined in XS file!\n");
- } else {
- return undef unless -f $file;
- }
- print STDERR "dl_expandspec($spec) => $file\n" if $dl_debug;
- $file;
- }
-
- 1;
-