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Add ZIP64 support to wxZipInputStream and wxZipOutputStream.

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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 commit is contained in:
Tobias Taschner
2015-08-13 14:27:24 +02:00
committed by Vadim Zeitlin
parent 0f39ea0963
commit b9d46f0719
3 changed files with 240 additions and 34 deletions
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docs/changes.txt
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@@ -49,7 +49,7 @@ Changes in behaviour which may result in build errors
All:
- Add UTF-8 support to wxZip{Input,Output}Stream (Tobias Taschner).
- Add UTF-8 and ZIP 64 support to wxZip{Input,Output}Stream (Tobias Taschner).
- Allow calling wxItemContainer::Add() and similar with std::vector<> argument.
- Add "%z" support to printf()-like functions like wxString::Format() (RIVDSL).
- Add DOCTYPE support to wxXmlDocument (Nick Matthews).