Re: setsockopt(SOL_SOCKET, SO_SNDBUF) broken on 2.4.18?

[Raphael Manfredi]

Quoting Alan Cox <[e-mail]> from ml.linux.kernel:
:> If I can't use the returned value from getsockopt(SO_SNDBUF) to do a
:> setsockopt(SO_SNDBUF), then it's broken!  You'll have a hard time convincing
:> me otherwise.
:
:I'd like to see a standards document cite for that. The behaviour we follow
:is not atypical for a lot of ioctls and syscalls were you ask for one size
:and the kernel gives you its preferred variant. In the other cases I can
:think of the kernel also does not lie about its preferred variant

Practical experience shows that the test program I sent "works" (i.e.
returns the least surprising results) on OpenBSD, HP-UX 11.x. I'm having
a friend testing it for me on Solaris, but my guess is that it will work
there as well.

Raphael