accac7cd8e7f4b989bd8b29412e494ea944fc219
* harbour/src/rtl/filebuf.c
! fixed next three integer overflows exploited by HB64 locking mode.
BTW probably I'll move the lock range to not operate on last positive
offset because such overflow problems can be also exploited in low
level OS or network transport layer code - it happened in the past.
I'll do that when we confirm that current Harbour implementation
is correct.
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Harbour Core — Reference source for Five development
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