If single files larger than 4GB where added the recorded file sizes
in the local file header where not updated correctly. Additionally
recorded file sizes in the central directory where in the wrong order
making it impossible to extract.
To enable adding files with unknown size which might be larger than 4GB
the new method wxZipOutputStream::SetFormat() is added.
Additionally a check has been added in case a file larger 4GB has been
written without ZIP64 info.
Zip filenames containing non ASCII characters will be marked with
bit 11 in the general purpose flags and will use UTF-8 encoding.
By only setting the flag when non ASCII characters are used the
created archives should be binary identical to previous versions.
The old behavior can be achieved by explicitly using wxConvLocal
with the constructor. This should also ensure that
existing code using a custom wxMBConv should work as before.
Don't shift by m_SystemMadeBy value which can potentially be an
arbitrary (8 bit) integer and not necessarily one of the known (and
small) wxZIP_SYSTEM_XXX values, this results in undefined behaviour
whenever this value is greater than 32 or 64 (depending on int size) and
is flagged as such by clang undefined behaviour sanitizer.
To fix the problem, just use a more clear switch statement instead of
using a bit pattern for the lookup, this function is not nearly
performance-sensitive enough to worry about the overhead of the switch
here (assuming it's even slower, in the first place...) and the new
version is much more clear and maintainable.
Credit to OSS-Fuzz: this solves its issue 3792.
Zip archives with sizes larger 4GB or containing files larger than 4GB or more
than 65k files are saved in ZIP64 format which adds a few additional footers
and extra fields to allow to exceed these limits.
This implements the PKWARE specification available at:
https://www.pkware.com/support/zip-app-note
It has been tested for compatibility with Windows internal ZIP folders, OSX
Archive Utility and 7-zip.
Closes https://github.com/wxWidgets/wxWidgets/pull/72
This keyword is not expanded by Git which means it's not replaced with the
correct revision value in the releases made using git-based scripts and it's
confusing to have lines with unexpanded "$Id$" in the released files. As
expanding them with Git is not that simple (it could be done with git archive
and export-subst attribute) and there are not many benefits in having them in
the first place, just remove all these lines.
If nothing else, this will make an eventual transition to Git simpler.
Closes#14487.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74602 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
GNU compiler included with Mac OS X 10.2 (Jaguar) as well as August Developer
Tools update contain a bug concerning #pragma interface handling that can only
be worked around by not using them (and they are not necessary anyways)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16884 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
