FM / Init

/usr/share/ghostscript/9.55.0/Resource/Init/

/usr/share/ghostscript/9.55.0/Resource/Init

Name	Size	Mode	Actions
FAPIcidfmap	1483	0644	edit dl rm
FAPIconfig	815	0644	edit dl rm
FAPIfontmap	1468	0644	edit dl rm
FCOfontmap-PCLPS2	2857	0644	edit dl rm
Fontmap	109	0644	edit dl rm
Fontmap.GS	12929	0644	edit dl rm
gs_agl.ps	218021	0644	edit dl rm
gs_btokn.ps	12765	0644	edit dl rm
gs_cet.ps	4964	0644	edit dl rm
gs_cff.ps	6969	0644	edit dl rm
gs_cidcm.ps	16827	0644	edit dl rm
gs_ciddc.ps	8505	0644	edit dl rm
gs_cidfm.ps	8069	0644	edit dl rm
gs_cidfn.ps	14155	0644	edit dl rm
gs_cidtt.ps	5847	0644	edit dl rm
gs_cmap.ps	18715	0644	edit dl rm
gs_cspace.ps	4059	0644	edit dl rm
gs_dbt_e.ps	2134	0644	edit dl rm
gs_diskn.ps	6867	0644	edit dl rm
gs_dps1.ps	4756	0644	edit dl rm
gs_dps2.ps	8771	0644	edit dl rm
gs_dscp.ps	3938	0644	edit dl rm
gs_epsf.ps	12179	0644	edit dl rm
gs_fapi.ps	15611	0644	edit dl rm
gs_fntem.ps	11389	0644	edit dl rm
gs_fonts.ps	48531	0644	edit dl rm
gs_frsd.ps	3780	0644	edit dl rm
gs_icc.ps	3104	0644	edit dl rm
gs_il1_e.ps	2722	0644	edit dl rm
gs_img.ps	23998	0644	edit dl rm
gs_init.ps	94625	0644	edit dl rm
gs_lev2.ps	43883	0644	edit dl rm
gs_ll3.ps	19580	0644	edit dl rm
gs_mex_e.ps	3843	0644	edit dl rm
gs_mgl_e.ps	2181	0644	edit dl rm
gs_mro_e.ps	2506	0644	edit dl rm
gs_pdfwr.ps	32254	0644	edit dl rm
gs_pdf_e.ps	1556	0644	edit dl rm
gs_res.ps	42458	0644	edit dl rm
gs_resmp.ps	22482	0644	edit dl rm
gs_setpd.ps	38491	0644	edit dl rm
gs_statd.ps	17859	0644	edit dl rm
gs_std_e.ps	3143	0644	edit dl rm
gs_sym_e.ps	3104	0644	edit dl rm
gs_trap.ps	2946	0644	edit dl rm
gs_ttf.ps	66621	0644	edit dl rm
gs_typ32.ps	4560	0644	edit dl rm
gs_typ42.ps	2096	0644	edit dl rm
gs_type1.ps	12543	0644	edit dl rm
gs_wan_e.ps	1563	0644	edit dl rm
pdf_base.ps	60815	0644	edit dl rm
pdf_draw.ps	189410	0644	edit dl rm
pdf_font.ps	98740	0644	edit dl rm
pdf_main.ps	174835	0644	edit dl rm
pdf_ops.ps	76145	0644	edit dl rm
pdf_rbld.ps	20480	0644	edit dl rm
pdf_sec.ps	27865	0644	edit dl rm
xlatmap	1767	0644	edit dl rm

Edit: /usr/share/ghostscript/9.55.0/Resource/Init/gs_frsd.ps (3780B)

% Copyright (C) 2001-2021 Artifex Software, Inc.
% All Rights Reserved.
%
% This software is provided AS-IS with no warranty, either express or
% implied.
%
% This software is distributed under license and may not be copied,
% modified or distributed except as expressly authorized under the terms
% of the license contained in the file LICENSE in this distribution.
%
% Refer to licensing information at http://www.artifex.com or contact
% Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
% CA 94945, U.S.A., +1(415)492-9861, for further information.
%

% Implementation of ReusableStreamDecode filter.
% This file must be loaded after gs_lev2.ps and gs_res.ps.

level2dict begin

% ------ ReusableStreamDecode filter ------ %

/.reusablestreamdecode {	% <source> <dict> .reusablestreamdecode <file>
                                % <source> .reusablestreamdecode <file>
                % Collect the filter parameters.
  dup type /dicttype eq { 2 copy } { dup 0 dict } ifelse
  dup .rsdparams
                % Construct the filter pipeline.
                % The very first filter should use the value of CloseSource
                % from the RSD dictionary; all the others should have
                % CloseSource = true.
                % Stack: source dict filters parms
  2 index /CloseSource .knownget not { //false } if 5 -1 roll
                % Stack: dict filters parms CloseSource source
  0 1 5 index length 1 sub {
    4 index 1 index get
                % Stack: dict filters parms CloseSource source index filtname
    4 index //null eq {
      0 dict
    } {
      4 index 2 index get dup //null eq { pop 0 dict} if
    } ifelse
    3 -1 roll pop exch filter
    exch pop //true exch		% set CloseSource for further filters
  } for
                % If AsyncRead is true, try to create the filter directly.
                % Stack: dict filters parms CloseSource source
  4 index /AsyncRead .knownget not { //false } if {
    1 index { .reusablestream } //.internalstopped exec
  } {
    //null //true
  } ifelse {
    pop
                % No luck.  Read the entire contents of the stream now.
    dup type /filetype ne {
                % Make a stream from a procedure or string data source.
      0 () .subfiledecode
    } if
                % We must allocate the string in the same VM space as its
                % source, since the reusable stream must be allocated there.

.currentglobal 1 index gcheck .setglobal exch
    currentpacking //false setpacking exch
    2 dict begin /filelen 0 def		% scratch dict for filelen and pos (below).
                % Stack: dict filters parms CloseSource oldglobal oldpacking file
    [ exch {
        dup 40000 string readstring
        /filelen 2 index length filelen add def	% accumulate filelen
        not { exit } if exch
      } loop
      exch pop
    ]
    { filelen string } stopped {	% try allocating a single string
      pop	% couldn't make a string - discard filelen value
    } {
      % transfer the array-of-strings to the single string.
      % stack: ... [() ...] string
      /pos 0 def exch {
        1 index exch pos exch putinterval /pos pos 40000 add def
      } forall
    } ifelse
    % top of stack is either array of strings or one string == stream_data
    end	% done with scratch dict
                        % Stack: dict filters parms CloseSource oldglobal oldpacking stream_data
    3 1 roll setpacking setglobal
                        % Stack: dict filters parms CloseSource stream_data
    1 index .reusablestream
  } if
                % We created the stream successfully: clean up.
  4 { exch pop } repeat
  1 index type /dicttype eq { exch pop } if exch pop
} odef

filterdict /ReusableStreamDecode /.reusablestreamdecode load put

end			% level2dict

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