On Tue, 16 Oct 2012, Chris Packham wrote:
On Tue, 16 Oct 2012, Ian Kent wrote:
On Tue, 2012-10-16 at 16:24 +1300, Chris Packham wrote:
<snip>
modules/replicated: use sin6_addr.s6_addr32
Umm ... it must be there, I must have seen it and it must compile
because, well, I compile it all the time. Perhaps this is another
glibc'ism. I'm happy to change as long as autofs compiles everywhere we
want it to.
Found it in /usr/include/netinet/in.h. uclibc 0.9.30.1 defines the union
without the leading underscores. Looking at the upstream uclibc that has been
fixed. All versions of that definition I found provide the s6_addr32 macro so
using that should be safe. I assume the s6_addr is some kind of standard but
I can't find a reference to back that up.
OK found a reference in POSIX [1]. "The <netinet/in.h> header shall define
the in6_addr structure, which shall include at least the following member:
uint8_t s6_addr[16]"
So s6_addr should exist and it's reasonable to assume that s6_addr32
exists.
--
[1] - http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html
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