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From: | address@hidden |
Subject: | Re: [lwip-users] SOLVED! Re: invalid recvmbox in UDP recv() function |
Date: | Fri, 12 May 2017 20:09:11 +0200 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
gussabina wrote:
The problem was there was not default value for DEFAULT_UDP_RECVMBOX_SIZE in the options, so I had to add an extra line. Just in case someone else goes though the same problem, they need to add last line in lwipopts.h file;
Ehrm, no, that line does *not* have to be added. Instead, as I assumed, your port is broken: 0 is of course not a valid size but a hint that this is the default config option and that the size is port-dependent. Your port should either handle this (and replace 0 by default size) or assert (or throw or whatever is needed to tell the developer that this doesn't work).
Nice to see this was the only problem though :-) Simon
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