Review Request 116784: Fix incorrect use of KDateTime.toTime_t in kio_http

[Dawit Alemayehu]

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https://git.reviewboard.kde.org/r/116784/
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Review request for kdelibs, Andreas Hartmetz and David Faure.


Repository: kdelibs


Description
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The attached patch does the following:

- It corrects a mistake in assumption that KDateTime.toTime_t() will return -1 for invalidate dates. It does not. The result is an overflow which is interpreted in kio_http as a timestamp in the distant future which obviously is wrong. See https://bugs.kde.org/show_bug.cgi?id=331774 for example. This assumption also affects the timestamp variables used for cache management.

- It converts cache management timestamp variables to 64 bits so they can accomodates dates beyond Feb 7, 2106.


Diffs
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  kioslave/http/http.h dd85622 
  kioslave/http/http.cpp e4f1eba 

Diff: https://git.reviewboard.kde.org/r/116784/diff/


Testing
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Thanks,

Dawit Alemayehu

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