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Tom Spindler <dogcow@xxxxxxxxxxxx> writes:
>> The real incompatible change is in -current but not 4, and -current has
>> binary compat with the old ioctl of smaller size. Binary compatibility
>> with the old version of SIOCGIFCONF in currrent, with the larger size
>> and the bizarre size-dependent behavior doesn't make sense, and would
>> cause the other half of the programs to fail (well, right now we have
>> dhcp vs racoon and I don't know about others).
>
> If this is the case, shouldn't the SIOCGIFCONF ioctl number be bumped?
It was bumped when sockaddr_storage was added, so it's different in 4
and current. Before 1.200, SIOCGIFCONF was broken in current. (Dhcpd
was and still is broken, but now the latent bug is causing trouble - but
I realize that this is overly harsh because the interface was never well
defined.)
Are you suggesting that we have binary compat among versions of current,
even for bugfixes that cause trouble?
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