[issue12476] ctypes: need example how to pass raw data from Python

[anatoly techtonik]

anatoly techtonik <techtonik at gmail.com> added the comment:

ISTM that this code works ok.


data = open('data.raw', 'rb').read()
ret = checkBuffer(data, len(data))


You need to make sure that checkBuffer doesn't try to modify memory though. For mutable memory blocks use create_string_buffer().

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