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Created on 2011-07-03 08:02 by techtonik, last changed 2022-04-11 14:57 by admin.
| Messages (3) | |||
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| msg139675 - (view) | Author: anatoly techtonik (techtonik) | Date: 2011-07-03 08:02 | |
ctypes documentation lacks an example, how to pass a raw data block from Python to a C function. For example, how to pass this chunk:
data = open('somefile', 'rb').read()
to this function:
int checkBuffer(LPSTR lpData, DWORD dwBufferLength);
?
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| msg139676 - (view) | Author: Amaury Forgeot d'Arc (amaury.forgeotdarc) *  |
Date: 2011-07-03 08:52 | |
Can you suggest a patch? |
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| msg139686 - (view) | Author: anatoly techtonik (techtonik) | Date: 2011-07-03 12:24 | |
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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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:57:19 | admin | set | github: 56685 |
| 2011-07-03 12:24:43 | techtonik | set | messages: + msg139686 |
| 2011-07-03 08:52:25 | amaury.forgeotdarc | set | nosy:
+ amaury.forgeotdarc messages: + msg139676 |
| 2011-07-03 08:02:36 | techtonik | create | |