D19107: Write valid UTF8 characters without escaping.

[Jos van den Oever]

vandenoever added inline comments.

INLINE COMMENTS

> thiago wrote in kconfigini.cpp:683
> This function does operate properly to find valid syntax UTF-8 sequences, but it is neither catching overlong sequences nor UTF-8 content above U+10FFFF (UTF-8 can encode 0x11000 in 4 bytes).
> 
> See https://code.woboq.org/qt5/qtbase/tests/auto/corelib/codecs/utf8/utf8data.cpp.html#_Z19loadInvalidUtf8Rowsv for potential UTF-8 pitfalls.

A check for U+10FFFF > value is needed.
Overlong sequences are caught on line 696 (count < 4).

REPOSITORY
  R237 KConfig

REVISION DETAIL
  https://phabricator.kde.org/D19107

To: vandenoever, dfaure, arichardson, apol, #frameworks, thiago
Cc: rapiteanu, kde-frameworks-devel, michaelh, ngraham, bruns
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