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Re: [PATCH] Fix strict-aliasing warning in resolv/res_hconf.c
- From: Andreas Schwab <schwab at suse dot de>
- To: Florian Weimer <fweimer at redhat dot com>
- Cc: Roland McGrath <roland at hack dot frob dot com>, sellcey at imgtec dot com, Paul Eggert <eggert at cs dot ucla dot edu>, libc-alpha at sourceware dot org
- Date: Wed, 20 May 2015 10:23:44 +0200
- Subject: Re: [PATCH] Fix strict-aliasing warning in resolv/res_hconf.c
- Authentication-results: sourceware.org; auth=none
- References: <5bfa6373-3817-4d31-a5ee-a8676e79b723 at BAMAIL02 dot ba dot imgtec dot org> <555BB55E dot 3050304 at cs dot ucla dot edu> <1432075989 dot 16668 dot 62 dot camel at ubuntu-sellcey> <555BC19B dot 90001 at cs dot ucla dot edu> <1432077972 dot 16668 dot 65 dot camel at ubuntu-sellcey> <20150519235817 dot 9516F2C3A73 at topped-with-meat dot com> <555C3E0B dot 2040404 at redhat dot com>
Florian Weimer <fweimer@redhat.com> writes:
> Looking at struct ifreq, it is rather mysterious to me how this is
> supposed to work at all. I mean, struct sockaddr has just 14 bytes
> storage for address information, but IPv6 addresses need 16 bytes, and
> socket addresses contain even more information than a raw address.
This ioctl is only defined for IPv4.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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