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Date: Fri, 18 Apr 1997 16:01:49 -0700 (PDT)
From: Tom Samplonius <tom@sdf.com>
To: Mike Tancsa <mike@sentex.net>
cc: ports@freebsd.org
Subject: Re: ucd-snmp
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On Fri, 18 Apr 1997, Mike Tancsa wrote:

> At 11:00 AM 4/18/97 -0700, Tom Samplonius wrote:
> >
> >  The ucd-snmp from current or 2.2 doesn't compile on a 2.2.1 system.
> >Anyone know how to fix this?
> >
> >
> >cc -I../.. -I../../snmplib -O -Dfreebsd2 -c extensible.c
> >extensible.c: In function `var_extensible_mem':
> >extensible.c:474: `VM_METER' undeclared (first use this function)
> >extensible.c:474: (Each undeclared identifier is reported only once
> >extensible.c:474: for each function it appears in.)
> >extensible.c:474: initializer element for `mib[1]' is not constant
> >*** Error code 1
> 
> 
> I was able to compile the package directly from 
> ftp://ftp.ece.ucdavis.edu/pub/snmp/ucd-snmp.tar.gz
> 
> However, when using the resulting binaries, I some errors/warnings...e.g.
> on the snmpwalk I get stuff like
> 
> sand# snmpwalk -v 1 host.to.be.walked.com public
> 
> system.sysDescr.0 = "Livingston PortMaster PM-3 ComOS 3.5c6"
> snmpwalk in free(): warning: chunk is already free.
> system.sysObjectID.0 = OID: enterprises.307.1.1
> snmpwalk in free(): warning: chunk is already free.
> 
> i.e. after each print, I get the warning message to standard error... I
> havent had time to look at it in great detail.  
> 
> Anyone have any ideas ?

  Yes, free() is being called twice for the same block.  The new malloc
lib complains to stderr when this happens, as it is a sign of bad memory
managment by the application.

> 	---Mike
> **********************************************************************
> Mike Tancsa  (mike@sentex.net)           * To do is to be  -- Nietzsche
> Sentex Communications Corp,              * To be is to do  -- Sartre 
> Cambridge, Ontario                       * Do be do be do  -- Sinatra
> (http://www.sentex.net/~mdtancsa)        *
> 
> 

Tom