On Oct 18, 2009, at 10:06 AM, Dmitry Chestnykh wrote:
> Actually, there's a better way to do this -- if initialized using
>
> deflateInit2(&stream, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, 8,
> Z_DEFAULT_STRATEGY);
>
> then zlib produces correct deflate output for ZIP files -- we don't
> need
Actually, there's a better way to do this -- if initialized using
deflateInit2(&stream, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, 8,
Z_DEFAULT_STRATEGY);
then zlib produces correct deflate output for ZIP files -- we don't
need to skip 2 bytes at the beginning, and 4 bytes at the end.
On 1
It seems I figured it out!
zlib adds 4 bytes of Adler32 CRC to the end of the stream. If, like
with the first 2 bytes of the stream, we skip it, then Archive Utility
works, and Fossil produces the same ZIP file as zip utility. Most
likely other compression utilities just ignore Adler32 (or m
On Oct 18, 2009, at 6:42 AM, Dmitry Chestnykh wrote:
> Hello,
>
> Mac OS X's built-in Archive Utility (which is the default way to
> extract archives by double-clicking them)
> cannot extract ZIP files generated by Fossil.
http://www.fossil-scm.org/fossil/tktview?name=923a912309
Curiously, the
On Sun, Oct 18, 2009 at 12:55 PM, Dmitry Chestnykh wrote:
> * test-fossil.zip - made by `fossil test-filezip test-fossil.zip wiki.h`
> * test-zip.zip - made by `zip -9 test-zip.zip wiki.h`
>
> In case anyone would like to compare them.
i can open them on Linux (x86/32) using "Ark" and "File Rol
Hello,
Mac OS X's built-in Archive Utility (which is the default way to
extract archives by double-clicking them)
cannot extract ZIP files generated by Fossil. It shows "Error 1 -
Operation Not Permitted".
Command-line unzip utility can extract them. I'm tinkering with zip.c,
but cannot gen
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