[libvirt] [PATCH] virSocketAddrIsWildcard: Drop IN6_IS_ADDR_UNSPECIFIED
Michele Paolino
m.paolino at virtualopensystems.com
Mon Jun 10 11:51:31 UTC 2013
Hi Michal,
The IN6_IS_ADDR_UNSPECIFIED() function needs a struct in6_addr as argument.
So changing the line in this way:
- return
IN6_IS_ADDR_UNSPECIFIED(&addr->data.inet6.sin6_addr.s6_addr);
+ return IN6_IS_ADDR_UNSPECIFIED(&addr->data.inet6.sin6_addr);
it should work.
Regards,
On Mon, Jun 10, 2013 at 12:31 PM, Michal Privoznik <mprivozn at redhat.com>wrote:
> There's this macro IN6_IS_ADDR_UNSPECIFIED which seems to be portable,
> but it is not. On other architectures many errors are produced, e.g. on
> my ARM box I get:
>
> CC libvirt_util_la-virsocketaddr.lo
> util/virsocketaddr.c: In function 'virSocketAddrIsWildcard':
> util/virsocketaddr.c:244:16: error: cast increases required alignment of
> target type [-Werror=cast-align]
> util/virsocketaddr.c: At top level:
> cc1: error: unrecognized command line option
> "-Wno-unused-command-line-argument" [-Werror]
> cc1: all warnings being treated as errors
>
> Hence, we should drop its usage and move to memcmp instead.
> ---
> src/util/virsocketaddr.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/src/util/virsocketaddr.c b/src/util/virsocketaddr.c
> index e84c58e..1cefda7 100644
> --- a/src/util/virsocketaddr.c
> +++ b/src/util/virsocketaddr.c
> @@ -241,7 +241,8 @@ virSocketAddrIsWildcard(const virSocketAddrPtr addr)
> return memcmp(&addr->data.inet4.sin_addr.s_addr, &tmp,
> sizeof(addr->data.inet4.sin_addr.s_addr)) == 0;
> case AF_INET6:
> - return
> IN6_IS_ADDR_UNSPECIFIED(&addr->data.inet6.sin6_addr.s6_addr);
> + return memcmp(addr->data.inet6.sin6_addr.s6_addr, &in6addr_any,
> + sizeof(addr->data.inet6.sin6_addr.s6_addr)) == 0;
> }
> return false;
> }
> --
> 1.8.1.5
>
> --
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> libvir-list at redhat.com
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>
--
*Michele Paolino **
*Virtual Open Systems*
**Open Source KVM Virtualization Developments
Multicore Systems Virtualization Porting Services
*Web*:* *www.virtualopensystems.com*
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