| 1 | # NOTE: Derived from ../../lib/DynaLoader.pm. |
| 2 | # Changes made here will be lost when autosplit is run again. |
| 3 | # See AutoSplit.pm. |
| 4 | package DynaLoader; |
| 5 | |
| 6 | #line 377 "../../lib/DynaLoader.pm (autosplit into ../../lib/auto/DynaLoader/dl_expandspec.al)" |
| 7 | sub dl_expandspec { |
| 8 | my($spec) = @_; |
| 9 | # Optional function invoked if DynaLoader.pm sets $do_expand. |
| 10 | # Most systems do not require or use this function. |
| 11 | # Some systems may implement it in the dl_*.xs file in which case |
| 12 | # this autoload version will not be called but is harmless. |
| 13 | |
| 14 | # This function is designed to deal with systems which treat some |
| 15 | # 'filenames' in a special way. For example VMS 'Logical Names' |
| 16 | # (something like unix environment variables - but different). |
| 17 | # This function should recognise such names and expand them into |
| 18 | # full file paths. |
| 19 | # Must return undef if $spec is invalid or file does not exist. |
| 20 | |
| 21 | my $file = $spec; # default output to input |
| 22 | |
| 23 | if ($Is_VMS) { # dl_expandspec should be defined in dl_vms.xs |
| 24 | require Carp; |
| 25 | Carp::croak("dl_expandspec: should be defined in XS file!\n"); |
| 26 | } else { |
| 27 | return undef unless -f $file; |
| 28 | } |
| 29 | print STDERR "dl_expandspec($spec) => $file\n" if $dl_debug; |
| 30 | $file; |
| 31 | } |
| 32 | |
| 33 | # end of DynaLoader::dl_expandspec |
| 34 | 1; |