glibc/libio/tst-wfile-sync.input
Andreas Schwab d948478bc5 Fix crash in _IO_wfile_sync (bug 20568)
When computing the length of the converted part of the stdio buffer, use
the number of consumed wide characters, not the (negative) distance to the
end of the wide buffer.

(cherry picked from commit 32ff397533)
2019-05-15 17:08:48 +02:00

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This is a test of _IO_wfile_sync.