[lwip-users] [PATCH] cleanup and simplify contrib/ports/unix/proj/minimal/

[wk]

Hello,

Those patches cleanup and simplify the example from 
contrib/ports/unix/proj/minimal/.
I considered these changes useful while learning about lwip by reading the 
example program.

1/3: tmr_intervals.patch
Use the lwip constants ARP_TMR_INTERVAL and IP_TMR_INTERVAL instead of 
hardcoded values. The program already uses the constants TCP_FAST_INTERVAL and
TCP_SLOW_INTERVAL. This also changes the ARP timer value from hardcoded 20s 
to the lwip default of 5s.

2/3: ethernet_input.patch
The program has own code that does just what ethernet_input() does. 
Use ethernet_input() instead.

3/3: pbuf_cat.patch
The program uses pbuf_chain() where pbuf_cat() would be more appropriate. 
This makes freeing the buffer (chain) unnecessarily complicated.
Use pbuf_cat() and simplify freeing.

I would be pleased if someone with CVS write access could tell me if those 
patches are suitable for inclusion and do so if appropriate.

Bye,
Wolfgang Koebler

tmr_intervals.patch
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ethernet_input.patch
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pbuf_cat.patch
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