[SR-Users] avp_delete problem [kamailio 1.5]

[Daniel-Constantin Mierla]

On 2/22/12 10:26 AM, Sven Knoblich wrote:
> Ah, ok. thanks. This explains the behaviour. But it isn't explicit 
> mentioned in the documentation what /g stands for.
>
> But next time, i will also have a further look at the sources.
But now you can enhance the docs, just commit some more details there 
about this case :-)

Thanks,
Daniel

>
> Bye Sven
>
> Am 22.02.2012 09:26, schrieb Marius Zbihlei:
>> On 02/22/2012 09:45 AM, Sven Knoblich wrote:
>>> Hello all,
>>> i am currently confused by using the avpops function avp_delete. When i
>>> run avp_delete without the flag-value \g only the last value will be
>>> unset (like an undo). Is this the wanted behaviour?
>> Hello Sven,
>>
>> After looking thru the code it seems that this is the wanted 
>> behaviour (something like sed with /g switch) even in 3.x (master).
>>
>> From the fixup function of avp_delete :
>> <code>
>>                 case 'g':
>>                 case 'G':
>>                     ap->ops|=AVPOPS_FLAG_ALL;
>> </code>
>>
>> This flag is sent as the /all /parameter in destroy_avps in usr_avp.c 
>> method. (The avp's are inserted in memory in reversed order so it's a 
>> Last In First Out type structure)
>>
>> Cheers
>> Marius
>>> EXAMPLE:
>>>
>>> $avp(test) = "test"
>>> if( $avp(test)){xlog("L_NOTICE","result1:$avp(test)\n");}
>>>
>>> $avp(test) = "nooo";
>>> if( $avp(test)){xlog("L_NOTICE","result2:$avp(test)\n");}
>>>
>>> avp_delete("$avp(test)");
>>> if( $avp(test)){xlog("L_NOTICE","result3:$avp(test)\n");}
>>>
>>>
>>> RESULT:
>>>
>>> result1:test
>>> result2:nooo
>>> result3:test
>>>
>>> Could anybody helps me to understand that?
>>>
>>> thanks in advance,
>>> Sven
>>>
>>>
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>>
>>
>> -- 
>> Zbihlei Marius
>>
>> Head of
>> Linux Development Services Romania
>>
>> 1&1 Internet Development srl    Tel KA: 754-9152
>> Str Mircea Eliade 18            Tel RO: +40-31-223-9152
>> Sect 1, Bucuresti               mailto:marius.zbihlei at 1and1.ro
>> 71295, Romania
>
>
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-- 
Daniel-Constantin Mierla -- http://www.asipto.com
http://linkedin.com/in/miconda -- http://twitter.com/miconda

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