cdata conversion failure with ffi.string()

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• Subject: cdata conversion failure with ffi.string()
• From: Markus Korber <korbse@...>
• Date: Thu, 7 Mar 2019 06:27:36 +0100

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Hi there,

I'm trying to use the FFI with the code given here to serialize a C struct: https://stackoverflow.com/questions/12344095/how-do-i-convert-a-cdata-structure-into-a-lua-string/12347111#12347111 However, using Lua 5.1 I always get the following error message: lua: ./temp.lua:22: unable to convert cdata to string

Any idea what can be wrong with ffi.string()?
br,
Markus

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