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Re: [lwip-devel] LWIP_DEBUGF in update_arp_entry

From: Jonathan Larmour
Subject: Re: [lwip-devel] LWIP_DEBUGF in update_arp_entry
Date: Wed, 01 Oct 2008 20:20:27 +0100
User-agent: Mozilla Thunderbird 1.0.8-1.1.fc3.4.legacy (X11/20060515)

bill wrote:

In the code below, why is there an ‘ | 3 ’ in the first LWIP_DEBUF?

If you do a grep through the stack for use of LWIP_DBG_TRACE you'll see it's used a lot. It's in order to adjust trace verbosity.

Look at the use of LWIP_DBG_LEVEL_* in src/include/lwip/debug.h

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