[riot-notifications] [RIOT-OS/RIOT] sys/posix/socket: implement MSG_PEEK for recvfrom (#16850)

Hendrik van Essen notifications at github.com
Mon Sep 20 17:13:22 CEST 2021


So using a read cursor sounds like a good idea if we can remove the additional buffer with it. If everything is based on `gnrc` (correct me if I'm wrong please) then this mechanism would we available from `gnrc` through `lwip` to `posix` in the end, right? I think I should let you folks figure this one out as I'm not a network developer and quite frankly I have no intention of becoming one. I won't be able to see the implications of implementing such a cursor (I don't even know where to start...). In the end I just had to touch some network stuff to get my work done.

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