bpo-33706: Fix pymain_parse_cmdline_impl() #7283
Merged
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Fix a crash in Python initialization when parsing the command line
options.
Fix memcpy() size parameter: previously, we read one wchar_t after
the end of _PyOS_optarg. Moreover, don't copy the trailingg NUL
character: we write it manually anyway.
Thanks Christoph Gohlke for the bug report and the fix!
https://bugs.python.org/issue33706