How to write partial of a buffer which was returned from a C function to a file?

jfong at ms4.hinet.net jfong at ms4.hinet.net
Thu Apr 12 00:16:58 EDT 2018


This C function returns a buffer which I declared it as a ctypes.c_char_p. The buffer has size 0x10000 bytes long and the valid data may vary from a few bytes to the whole size.

In every call I know how much the valid data size is, but I suppose I can't use slice to get it because there may be zero byte in it. What to do?


Best Regards,
Jach Fong


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