harvey/sys/src/cmd/gs/lib/unprot.ps

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% $Id: unprot.ps,v 1.2 2000/09/19 18:29:11 lpd Exp $
% Disable all access checks.  This is useful for printing out
% eexec-encrypted Type 1 fonts, and similar purposes.

systemdict wcheck
 { /protdict systemdict def
 }
 { (Please restart Ghostscript with the -dWRITESYSTEMDICT switch.\n) print
   (Some access checks will remain active if you do not do this.\n) print
   flush
   /protdict userdict def
 }
ifelse

% The procedures we're about to define will go in systemdict,
% so they must be allocated in global VM.

.currentglobal true .setglobal

protdict begin
   /readonly. /readonly load def
   /executeonly. /executeonly load def
   /noaccess. /noaccess load def
   /readonly { } odef
   /readonly.. /readonly load def
   /executeonly { } odef
   /executeonly.. /executeonly load def
   /noaccess { } odef
   /noaccess.. /noaccess load def
end

% Disable the access checks.

/unprot
 { protdict begin
   /readonly /readonly.. load def
   /executeonly /executeonly.. load def
   /noaccess /noaccess.. load def
   end
 } bind def

% Re-enable the access checks.

/reprot
 { protdict begin
   /readonly /readonly. load def
   /executeonly /executeonly. load def
   /noaccess /noaccess. load def
   end
 } bind def

.setglobal