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README.AMI
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1994-04-09
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AMIGA gzip124x2.lha and gzip124x2.zip archive notes
==================================================================
April 9, 1994
<John.Bush@East.Sun.COM>
------------------------------------------------------------------
This is the 2nd RE-distributed gzip executable, version 1.2.4,
for Amiga. It is being redistributed because an important
bug has been fixed, and the code is now built on the latest
SAS/C 6.51 compiler.
Provided here is the "gzip" utility command only (minus gunzip,
gzcat, etc), including all the neccessary GNU licence documentation.
The gzip command can be linked or duplicated on your system to
produce the gzcat and gunzip commands, if desired. Otherwise,
command line options passed to gzip can provide that functionality.
For example, "gzip -d" is equivalent to "gunzip".
------------------------------------------------------------------
In conformance with the GNU license, source code is widely available
for this product. The master repository is accessible via anonymous
ftp at:
prep.ai.mit.edu:/pub/gnu
The gzip code will normally be named, "gzip-m.r.p.tar.Z", where the
"m.r.p" indicates the current released "major", "revision", and "patch"
level number.
Also, see the README and COPYING files in this archive for more
information.
The BUG reporting procedure is outlined in the README file.
------------------------------------------------------------------
The previous release, gzip124x1, was a temporary solution for a
bug in the encryption code. The description of this problem was
preserved in the file, README.X1, in the distribution archive.
This release, gzip124x2, contains a permanent fix to that problem.
Jim Cooper, from the SAS Institute, correctly pinpointed the problem
as a faulty assumption about the precision of offsets in relative
addressing. Minor changes to the assembler routine, match.a,
solved that problem. MANY THANKS, JIM!
------------------------------------------------------------------
The enclosed version of gzip does not work properly on Amigas running
Workbench 1.3 (Kickstart less than 36). This is because of the lack
of the ROM entrypoint, Examine_FH, used by the fstat() call in gzip.
This will be corrected in a later version. A Workaround exists.
For now, use standard output to pass files from gzip, as follows:
(substitute your root filename in place of "filename" below)
gzip >filename -dc filename.gz
or
gzip >filename.gz -c filename
------------------------------------------------------------------
-John Bush