[lwip-devel] [patch #5822] Handle unused arguments

[Frédéric Bernon]

Follow-up Comment #7, patch #5822 (project lwip):

About remove any unsed arguments, it will not be possible always. By example,
in api_msg.c, in recv_udp, the prototype is defined by udp_recv, so, you can't
change it without breaking the api.

Why not about arch.h? It already give default define for PACK_STRUCT_BEGIN
and others, and it also include cc.h. So, if this default is not good for
your compiler, you can provide your own define in your cc.h (in fact, it's
more compiler than port dependant).

This default is good for me, if it's good for gcc.

#ifndef LWIP_UNUSED_ARG
#define LWIP_UNUSED_ARG(x)      (void)x
#endif  /* LWIP_UNUSED_ARG */

I think your can integrate that...


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