461543 - Add a function that returns the IP addresses of the local host

Status: NEW

(NSPR :: NSPR, enhancement)

Description

[Wan-Teh Chang]

Many people have asked in the NSPR newsgroup how to get the IP
addresses (note the plural) of the local host.  We should add a
function that returns this information.

Without this function, they have to resort to calling PR_GetSystemInfo
to get the local hostname, and then calling PR_GetHostByName to
get the IP addresses of the local hostname.

The proper way is to call the BSD function getifaddrs or its equivalent
on other platforms.  There is some code along that line in prnetdb.c:
http://mxr.mozilla.org/nspr/source/nsprpub/pr/src/misc/prnetdb.c#201

This function should have flags to filter out adddresses
that are not useful in some scenarios, such as the loopback
addresses and the IPv6 link local addresses.

Comment 1

[Nelson Bolyard (seldom reads bugmail)]

If this method is to be added to NSPR, it should work on all supported
NSPR platforms, and it should return all the IP addresses (plural).