Protobuf 3 for C

[Luke Galea]

I'm new to the world of protobuf but am interested in using it with CoAP. Are there protobuf implementations for C language? Since I am coding an embedded system.

Thank you

Luke

[Adam Cozzette]

There are a bunch of C implementations but I think the most common ones are upb, protobuf-c, and nanopb.

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[Luke Galea]

Amazing thank you.

Perhaps a stupid question, but would you still recommend them since they are not officially supported by Google? (Google released C++ etc. but not C)

[Adam Cozzette]

Actually upb is supported by Google, though we have not mentioned it very prominently in our docs. We have mostly used upb as the underlying implementation for other languages like PHP and Ruby, but you could also use it in a plain C codebase.

[Luke Galea]

Hi Adam,

Great to hear. I didn't see it mentioned in the home webpage for protobuf and made a wrong assumption.

Regards

Luke

[Luke Galea]

Hi Adam, I am using Segger Embedded Studio for my embedded implementation. Which files can I use instead of including upb as a git repository?

Thank you

Luke

[Adam Cozzette]

I'm not sure of the answer to that because I have not worked with upb much myself. You might have to experiment and see which files you need.

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