Hello, I am interesting in handling errors when using the sockets layer functions of LWIP.
I have already read the pdf documentation where it is said that the BSD socket library provides no such error handling due to the fact that it is a simple reference implementation. But I have also seen in the code that there is an error table already defined: Can these error codes be directly used with the provided BSD sockets layer? Or I should look for another implementation which returned these error codes? I have had a look in the code and I understand that in the provided socket implementation only a few error codes are returned. Actually, I vas making a comparison with the win32 socket implementation, and I would like to achieve a function similar to that WSAGetLastError in win32 for those who are familiar to the platform. I have also seen that in the socket structure below (lwip_socket), there are sometimes used some of these codes (in err), and I think that this structure might should be read to make a proper error handling. I would thank any recommendation from you dealing with the problem. Thank you very much.
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