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

Martine Lenders notifications at github.com
Mon Sep 20 17:22:36 CEST 2021

> But it might be a good idea to look how in lwIP they implemented `MSG_PEEK` for their POSIX socket implementation to get a hint on that. We could extend `sock_tcp` in that direction. Since the `gnrc` port for that is currently WIP, integrating that later would be easy(er?).

See https://git.savannah.nongnu.org/cgit/lwip.git/tree/src/api/sockets.c?h=STABLE-2_1_x#n932 ff

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