Ben Greear wrote:
> On 05/19/2010 03:34 AM, Daniel Stenberg wrote:
>> On Tue, 18 May 2010, Ben Greear wrote:
>>
>>> We do a lot of work on multi-homed machines, and I'd like to be able
>>> to specify the source IP address for outgoing DNS requests generated
>>> by libcurl logic.
>>>
>>> It appears that this will not be too hard to add to c-ares, probably
>>> in the configure_socket() method in ares_process.c
>>>
>>> Before I start making changes, I just want to make sure that no one is
>>> currently working on this.
>>
>> It should be fairly easy, yes, and I think it would be a welcomed
>> addition.
>>
>> In case of need, I'm sure you can find inspiration to the actual code
>> from the curl source code.
>
> I've yet to actually integrate and run this code, but does this
> look like a valid approach for c-ares?
Just a thought: In my glibc, I find the definitions
extern const struct in6_addr in6addr_any; /* :: */
#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
and according to
http://www.opengroup.org/onlinepubs/000095399/basedefs/netinet/in.h.html
they are in POSIX.
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