fix a nasty bug of _grwprintf() #69

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nu774 wants to merge 1 commit into jeremycw:master from nu774:grwprintf_fix

nu774 commented Jul 4, 2023

Fixes two bugs in _grwprintf(), causing bogus output when context buffer is full.

You cannot reuse va_list without copying with va_copy().
"bytes +=" line is simply incorrect.


          fix a nasty bug of _grwprintf()

8b7e1f3

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