forked from KolibriOS/kolibrios
83 lines
4.5 KiB
Plaintext
83 lines
4.5 KiB
Plaintext
Bogus bugs (not our fault!):
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---------------------------
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By far THE BIGGEST source of bug reports to Info-ZIP/zip-bugs is the
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incorrect transfer of zipfiles (or of the UnZip executable itself).
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ALWAYS TRANSFER IN BINARY MODE! This includes ftp transfers and *both*
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ends of a Kermit connection ("set file type binary"). If your copy
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isn't exactly the same size as the original, you made a mistake.
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Another common source of errors such as "compression method 8 not sup-
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ported" is the existence of an old version of UnZip somewhere in your
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path. Make sure you're using the version you think you're using; give
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the full path explicitly if necessary. Executing "unzip" without any
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options will print a help screen, at the top of which is the UnZip
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version number and release date; and executing "unzip -v" without any
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zipfile or other options will give information about what compiler was
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used, the target operating system, any special UnZip options, and the
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date of compilation--only for version 5.11 and later, though! (Also,
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under Unix C shell and some Bourne shells, "which unzip" will print
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the path of the unzip you're actually using. Under OS/2 and MS-DOS,
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whch21gr.zip [on Simtel mirror sites] will do the same thing; in addi-
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tion, "which -a unzip" will show *all* copies of "unzip" in your path.)
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Bugs (real and/or imagined):
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---------------------------
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- [OS/2 DLL] when trying to use the REXX function UzUnZipToStem to extract a
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file with `&' in its name, the DLL crashes (but UzUnZipToVar still works)
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[Daniel H, 961215]
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- UnZip has problems with archives bigger than 2GB; it may print "note: didn't
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find end-of-central-dir signature at end of central dir" (harmless) or
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may not be able to seek to member files [James Lemley 970107, Iris Spaniol
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970206, ...]
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Fixed with Zip64 support in UnZip 6.0
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- fix overwrite behavior: hidden/system problems?; etc.
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- 32-bit DOS UnZip still unable to set volume labels?
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- 32-bit DOS UnZip under OS/2 doesn't extract all wildcard zipfiles?
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[DOS box: unzip386 (ver 5.12) x:\32bit\unix\emx09a\*.zip, Hobbes 3/95]
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- 32-bit DOS UnZip under OS/2 doesn't set timestamp when overwriting files
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on HPFS partition? (go32 and pmode/w both; emx/rsx OK) [Eberhard Mattes
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950726]
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- USE_FWRITE still causes occasional CRC errors when extracting on Pyramid?
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[Kevin Fritz 931102]
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- still NT/W95 bug with "unzip -v d:*.zip" not matching properly? [Steve S
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940527]
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980427: bug no longer exists, Opendir() must have been corrected by someone
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- when ^Z received in no-echo mode, echo is not restored (works OK if
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resume, however)
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- signal() handler disabled after first use with one of BSD/SysV?
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- MKS Korn shell: unzip assumes the MKS-style command-line environment
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options are relevant to it, but this is not the case if unzip was called
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by another program (e.g., from a .BAT file). A fix for this exists for
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Borland compilers but not for MSC, Watcom, djgpp, etc.
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- OS/2: for paths with one long component, the .LONGNAME EA may be saved for
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all components (waste of disk space): how to check??
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- VMS: for extracting to other directories, only the VMS-style "-d [.foo]"
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format is accepted; "-d foo" should also be allowed. Long filenames are
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not automatically truncated to 39.39.
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- Novell Netware: Netware drives may clear the archive bit on extracted
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files under OS/2 and/or MS-DOS. UnZip always *tries* to set the archive
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bit, however. [pynq@uchicago, 940527]
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- DEC Ultrix: on long zipfiles, unzip will sometimes fail (bad CRC, not always
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reproducible); this is apparently due either to a hardware bug (cache mem)
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or OS bug (page faults?) [Igor, Jean-loup, bottom of BUGS.long]
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- funzip/more/decryption/no-echo bug: race condition(?) causes terminal to
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be "reset" to no-echo state
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- Macintosh (100200), Atari (020000) external file attributes not interpreted
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correctly (both unzip and zipinfo)
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- pkbug error: zipfile with incorrect csize and/or ucsize--check for end of
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compressed (csize) data in uncompression routines:
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unreduce.c: while (((outpos + outcnt) < ucsize) && (!zipeof)) {
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[James Birdsall, Mark, bottom of BUGS.long]
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- OS/2: directory EAs not restored if directory exists [Kai Uwe, KG27515@uark]
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(subsequent note: no way to determine which EAs are newer ==> cannot
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restore without user input)
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(update: as of UnZip 5.30, option -o forces restoring of directory EAs)
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- MS-DOS: Borland executables don't allow other than 80-column, 25/43/50-line
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screen modes (Borland bug) [Michael Stillwell]
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