[Bug 20714] build fails on OpenSolaris: ifenum.c:322: error: structure has no member named `ifr_hwaddr'

wine-bugs at winehq.org wine-bugs at winehq.org
Sun Mar 14 20:09:19 CDT 2010


--- Comment #22 from Matt Lewandowsky <matt at greenviolet.net>  2010-03-14 20:09:18 ---
(In reply to comment #21)
> > Also, what's wrong with using SIOCGARP on Linux?
> Don't know, but that's not the point of this bug.  If you don't like it, patch
> away.

Well, it kinda is... After all, if SIOCGARP can be used on Linux, there's no
need for SIOCGIFHWADDR there, either, for getting the MAC address. And I am
99.999% positive that BSD still supports getting the MAC address via SIOCGARP
too. Being well documented by Stevens, it's probably the best choice of
least-common-denominator. Then one could work around its absence on specific

The benefit? Simpler code, consistent behavior cross-platform (as they'd all be
using the same interface), and I'm pretty sure lots of people use Stevens's
approach, as it's been around at least 20 years. So you get the benefit of
consistency with other codebases in other projects.

I have a copy of UNP 3rd Edition lying around here, so I'll be able to compare
Wine's SIOCGARP stuff against it. I'll add it to tomorrow's todo list to
investigate ifenum.c and see about patching it up to be simpler and more
cross-platform with fewer special cases.

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