[Devel] item access is not consistent

[Klaus Darilion]

Bogdan-Andrei Iancu wrote:
> Juha Heinanen wrote:
>> i started to wonder why i got into syslog an error
>>
>> May 14 18:05:07 tutpro /usr/sbin/sems_openser[8432]: xl_get_authattr: 
>> Error while parsing headers
>>
>> when i referred to $au in my script.
>>
>> since Proxy-Authorization header is by no means mandatory in every sip
>> request, imo no error should be reported, but a null result should be
>> returned instead.
>>
>> then i started to read item.c code and found that in some cases an error
>> is reported when a non-existent item is referred to and -1 is returned.
>> in some other cases, an error message is issued and a null value is
>> returned, and in some cases a debug message is issued and a null value
>> is returned.  there are even cases where an empty value is returned
>> instead of a null value.
>>
>> handling of non-existent items needs to be consistent. i propose that
>> when a non-existent sip message item is referred to, a debug message is
>> issued and a null value is always returned.
>>
>> other proposals?    
> I second this!

me too - my logs are full of the above messages ...