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added zip from Info-ZIP
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ahgamut
Justine Tunney
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142
third_party/infozip/zip/TODO
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Todo list (last updated 12 June 2008).
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Features for next official version:
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- Extended attributes for Windows, Linux, and Mac OS X.
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- Win32 ACL rewrite to use backup api to create new and more useful extra
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field (need unzip support) (Kai).
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- Allow -d@ to read in a list of names to delete (11/17/2005).
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- AES encryption (3/19/05).
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Features that may make the next release:
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- Allow reading in list of files using @filename.
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- When -R, -x, or -i pattern ends in a directory add / to the end
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(11/5/2004 Nehal).
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- Decide if -R, -i and -x should use external rather than internal patterns.
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Also, change pattern matching to not do ex2in() and then in2ex() if
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appropriate. (12/26/2005 SMS)
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- Though Unicode paths have been implemented and tested, Unicode comments
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are not yet supported (except for comments on UTF-8 native systems which
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are supported).
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- Verbose mode -v may still need work.
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- Add C# example for Zip 3.0 (need to be converted to new DLLs) - original
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C# example added with note.
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- Path Prefix maybe, so entries added to an archive can have a directory
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path string prepended to each path so can zip multiple drives and avoid
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name conflicts (4/17/2006).
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- UNC paths like \\server\path (4/26/2005).
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- Support for other languages maybe.
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- Add About page option similar to -h2 and -v but lists Info-ZIP
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information (could be -sa) (4/29/2006).
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- Update utilities ZipSplit, ZipNote, and ZipCloak to handle split archives.
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- Update ziperr and finish if needed.
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- Review memory allocation and fill in memory leaks if any.
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- Enhance -FF to fix common problems such as archives ftp in text mode
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and fixing checksums so entries can be extracted if that makes
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sense (6/17/2007).
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- Add \ to / conversion in zipsplit to fix problem in
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1/29/2004 email.
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- Encryption bug with small stored file (12/27/2005) (fixed?).
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- When updating large archives with few entries being
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updated maybe display something in large periods of
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quiet (1/23/2006).
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- Windows OEM comments (5/17/2006).
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- Example of using MVS zip and unzip (3/30/2004) (Need one).
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- UTF-8 comments need to be implemented (6/17/2007)
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- Maybe convert ../ in archive (5/20/2006).
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- Per so many buffers dll callback (12/23/2005 Ale).
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- Allow rename stdin "-" to something else (12/27/2005 gregor).
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- Check for possible buffer overrun weaknesses while reading zip files.
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- Do Active Template Library (ATL) (4/27/2005).
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- Flush Win16 support - to be determined (Mike).
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- Way to convert file names on input, converting foo.c to dir/foo_bar.c
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for instance (4/8/2004, 3/12/2004).
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- French WiZ (not a Zip thing actually but dependent on zip and unzip).
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- Then there is that wierd ^D being converted to \000 error reported
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in 6/21/2003 email when Zip is outputted into a pipe on Windows ports.
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Old list:
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Main features still missing for next official version (last updated 2/11/2001):
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- what about the binary/text detection ? (seems done)
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- -b and -t options in help screen (covered in -h2)
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- findfirst/findnext and after that LSSTAT (performance!!)
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- use IS_EXEC from djgpp stat.h
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- use install in unix/Makefile instead of mkdir -p, look at install sh script.
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- #elif for those ports that can handle it.
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- what about zopen vs. fopen ?
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- Add zcreate or zfcreate for win32.
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- Assembler stuff in match.S (subexpressions)
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- zipping huge files (> 2G, unsigned 32bit) (done)
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- Testsuite for zip and unzip (John D. Mitchell)
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- make a version.c or version.h that includes all the compiler names
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- run utils with dmalloc().
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- what to do with zip -F and zip -FF (readzipfile2()) ? (done?)
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- profiling of the code
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- multi disk zip files (could be done)
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- zipfile modification tool (Greg)
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- Implement -- option (Thomas Klauser, wiz@danbala.tuwien.ac.at) (could be done)
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- don't add files with "Archive bit" or add files with "Archive bit"
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(uwe.becher@metronet.de) (could be done with -AS and -AC)
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- 32 bit file attributes
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- generate output without having to seek at all (this seems to be stream output)
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- remove contractions from zip error messages, make them clearer (Steve)
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- display "[text]" for ascii files when not quiet (no -q) (Timo Salmi)
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- does zipnote accept names with version number?
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- for a WORM, zip should create temp file only when updating; new archives
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should be created directly.
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- APPNOTE.TXT specifies "4) The entries in the central directory may
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not necessarily be in the same order that files appear in the zipfile"
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but readzipfile() relies on same order. (new read does not, and now
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the read for -FF searches for central directory matches rather than
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rely on the order)
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- on Mac, MPW C 3.3.1 requires #if (a || b) ["#if a || b" taken as "#if a"]
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- on Unix, let -S be "include non-regular files without reading from them"
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(as pkzip on Unix). This requires unzip support.
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- zip -l should do ebcdic->ascii translation on CMS and MVS
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- zip as subroutine (zdig/241) (some work done on this)
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- accept k and M in zipsplit
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- store / (part of file name) as ! in OS/2 (problem only with -E ?)
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- in addition to -l (LF to CR LF) and -ll (CR LF to LF) add -lc
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(LF to CR LF but CR LF remains unchanged)
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Known bugs:
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- On VMS, zip fails reading some files with "byte record too large for
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user's buffer". You must use the "-V" option for such files.
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(many changes to VMS so may be fixed)
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- on MSDOS, zip386.exe does not like "zip -bc: foo ..."
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- on MSDOS, zip386.exe is sometimes much slower than zip.exe. This is
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probably a problem with DJGPP (to be investigated).
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- on NT with C shell, zip should not do file name expansion again.
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- zip zipfile ... ignores existing zipfile if name does not have an extension
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(except for the -A option, generally used on self-extracting files).
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(archives should probably have extensions. Things like archive.jar work)
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- For an sfx file without extension, "zip -A sfx" works but "zip sfx -A"
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doesn't. (because options were required first, but now both OK)
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- When storing files in a zipfile (-0), zip marks all of them as binary.
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- On VMS, some indexed files are not restored correctly after zip -V and unzip.
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(This is now known to be a problem of UnZip. The workaround for Zip 2.2
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and newer is to use PK-style VMS extra fields; this is now the default.
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NOTE that UnZip 5.32 has been fixed [971019]!) (many VMS changes so
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this may be fixed)
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- zip and unzip should use the same pattern matching rules, particularly
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on MSDOS and OS/2. On OS/2, "zip foo *.*" should also match files
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without extension.
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Partially DONE (OS/2 "*.*" matches "*".)
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- there should be a way to avoid updating archive members (only addition
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of new files allowed)
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