[Bug network/14967] getaddrinfo(NULL) with AI_PASSIVE returns 0.0.0.0 and :: (in this order)

["me at ruff dot mobi" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14967

--- Comment #11 from Ruslan N. Marchenko <me at ruff dot mobi> 2013-02-26 20:09:23 UTC ---
Ok, here is the test script:

Native GLIBC - wrong result (0.0.0.0,::)
>> 
glibc-build$ ../b 1234
socket(2, 2, 17)
socket: Success
bind/connect: Success
getsockname: AF=2; LEN=16
 [0.0.0.0:1234] ---> [(null):1234]
Len: 16, 16
socket(10, 2, 17)
socket: Success
bind/connect: Success
getsockname: AF=10; LEN=28
 [:::1234] ---> [(null):1234]
Len: 28, 28
<<<
Patched GLIBC - correct result (::,0.0.0.0)
>>>
glibc-build$ /opt/jack/lib/ld-linux-x86-64.so.2 --library-path /opt/jack/lib
../b 1234
socket(10, 2, 17)
socket: Success
bind/connect: Success
getsockname: AF=10; LEN=28
 [:::1234] ---> [(null):1234]
Len: 28, 28
socket(2, 2, 17)
socket: Success
bind/connect: Success
getsockname: AF=2; LEN=16
 [0.0.0.0:1234] ---> [(null):1234]
Len: 16, 16
<<<
Native GLIBC+GAI V4Mapped lo workaround - correct result (::,0.0.0.0)
>>>
glibc-build$ sudo bash -c "echo 'label ::ffff:0f00:1/128 8' >> /etc/gai.conf"
[sudo] password for ruff: 
glibc-build$ ../b 1234
socket(10, 2, 17)
socket: Success
bind/connect: Success
getsockname: AF=10; LEN=28
 [:::1234] ---> [(null):1234]
Len: 28, 28
socket(2, 2, 17)
socket: Success
bind/connect: Success
getsockname: AF=2; LEN=16
 [0.0.0.0:1234] ---> [(null):1234]
Len: 16, 16
glibc-build$ 
>>>

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