119 lines
6.0 KiB
Plaintext
119 lines
6.0 KiB
Plaintext
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Tandem Port of Info ZIP (unzip)
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=======================
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Recent changes:
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1. Support UNZIPing of EDIT (text) files by use of the "-a" parameter
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2. Changes for version 2.2 affected files:
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- TANDEMC (changes to stat() to pass file creation time)
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- ZIPINFOC (exclude TANDEM from tzset() test)
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3. Fix to default time/date field to UK format (dd/mm/yyyy)
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03/08/98 5.33f Updates for TANDEMC/H to keep instep with ZIP (file buffering)
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New DOIT macro for extracting files from archive
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Fix in2ex to expand full vol/subvol depending on '-j' flag
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17/08/98 5.33f Set USE_EF_UT_TIME to allow for timezone changes
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18/08/98 5.33f Use define LICENSED to build object able to update timestamps
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19/08/98 5.33f Add -X flag support (restore file owner id) via unzip.c/h
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new chown function in tandem.c.
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Modified close_outfile to make the chown the last step.
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30/11/98 5.41a Updated mapname/chmod/in2ex, include licensing in MAKE
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21/12/98 5.41a Add decoding of new Tandem extra field EF_TANDEM
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Make '-a' default option. Add '-b' option to force creation
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of 'C' filecode 180 type text files.
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If available populate Tandem file code (e.g. Object files)
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Rationalised TANDEMH and TANDEMC wth ZIP 2.3i
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Fixed MORE (-M flag) processing by creating zgetch()
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12/01/99 5.41a Correct bug stopping setting of last open timestamp
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24/03/99 5.41b Split TANDEMC into TANDEMC/TANZIPC/TANUNZC
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24/03/99 5.41b Added TANNSKH to allow for declarations which require
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structures defined in ZIPH after call to TANDEMH
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07/05/99 5.41c Assume not DST if can't resolve time (no DST table available)
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01/06/99 5.41c Add steps to make Self Extracting files (SFX)
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12/01/01 5.42g Fix problems with MAKE for WIDE objects, updated TANDEMC/H
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in line with ZIP, updated DOIT to remove TIMEZONE.C
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If we ever want to use TIMEZONE.C then we need to set the
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define IZTZ_DEFINESTDGLOBALS, it then compiles OK. The object
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would need to be added to the building of UNZIPLIB in make.
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09/02/01 5.50a Added code to tandem.c to create files with appropriate
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extent sizes, or actual values if file was originally NSK
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15/02/01 Update tandem.c to force first character to 'A' for Tandem
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filenames
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12/04/01 5.50c Fix problem with duff EF lengths in ef_scan_for_tandem
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12/04/01 Change definition of nsk_attrs to allow for Wide mode and
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subsequent respecifications of procedures that use it
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12/04/01 Fix bug in tanunz.c so that call to FILE_ALTERLIST_ has upper
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case filename
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12/04/01 Update tandem.c to only allow '$' in in2ex as appropriate
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16/07/01 5.50g Fixed bug in tandem.c for incorrect use of slist_items rather
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than vlist_items
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18/07/01 Allow edit files to be created with original extents
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25/07/02 5.51b Add "-r" remove file extensions command line option
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07/08/02 5.51b Non-Tandem non-text files now set to code 0 (not 100)
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21/10/02 5.51b Tandem Enscribe files containing text set to code 101
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03/01/03 5.51b Fix bug in extract of Text files - caused by Deflate64 changes
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which made various buffers 64k and mismatches with unsigned.
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Added NO_DEFLATE64 to MAKE and made this the default for
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non-WIDE mode. If DEFLATE64 is used and non-WIDE then it drops
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down to MED_MEM model for OUTBUFSIZ logic.
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A few notes about the files on this subvol
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COMMACS - required by MAKE, *** held on ZIP subvol ***
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DOIT - macro to extract required Tandem files from archive and rename
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MACROS - required by MAKE, *** held on ZIP subvol ***
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MAKE - recompile UNZIP code, attempts to only recompile changed code
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MAKESFX - make SFX header file
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README - this file
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UNZIPLIB - library of ZIP compiled routines, used by ZIP/ZIPNOTE etc
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UNZIPL - ZIP object (bound using LARGE memory model)
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*C - Source file
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*H - Header files
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*O - Individual object files (when compiled by MAKE)
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Install Notes:
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==============
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Stage 1 - get UNZIP object onto Tandem
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- download Tandem Unzip executables archive from Web
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- using PC unzip program (e.g. pkunzip/WinZip) extract UNZIP
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- copy UNZIP from PC to Tandem in Binary mode s(FTP/IXF)
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- alter file code to 100
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- optionally place in $SYSTEM.SYSTEM to allow easy access from command line
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Stage 2 - (optional) retrieve source code (requires UNZIP on Tandem)
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- download UNZIP source archive from web - contains all supported platforms
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- copy archive onto Tandem as Binary
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- extract Tandem DOIT macro ( UNZIP -j <archive> tandem/DOIT )
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- update DOIT macro to point at archive file
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- restore relevant files by running DOIT
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- replace references to $T with a collector on your system
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- replace references to SUPER.DAVES with whatever user id you use
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- to compile run MAKE (compiles, accelerates, licences)
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- NOTE: Always run the accelerated object on TNS/R systems, otherwise
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it runs extremely slow.
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Additional Notes - LICENSE the object:
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======================================
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If you wish to be able to update the last modified time of files you unzip
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you need to add the line "#define LICENSED" to the TANDEMH file. If you set
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this option you MUST FUP LICENSE the file as SUPER.SUPER.
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This is a Tandem restriction since we have to call a PRIV procedure to update
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the file label. For UNZIP the define is setup (default) in tandem.h
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Additional Notes - Self Extracting
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==================================
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To create a Self Extracting (SFX) file you need to do the following
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- run the MAKESFX file to create the SFX object files
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- create a normal Zip file
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- create an empty Unstructured file
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- FUP COPY SFX into new file
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- FUP COPY your Zip file to the end of this new file
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- run ZIP -A <zipfile> to fix the internal pointers
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- alter the filecode of <zipfile> to 100 (I'll do this in Zip -A soon)
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For performance you should Axcel the finished file.
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