On Fri, Nov 21, 2014 at 10:03:12AM +0200, Vlad Khorsun wrote:
> 19.11.2014 16:08, Michal Kubecek пишет:
>
> > Could you check if first getaddrinfo() call returns EAI_FAMILY on
> > Windows XP without IPv6 support? The way I read the manual page it
> > should but I would rather make sure.
>
> On W2K3 without IPv6 i see that getaddrinfo() returns 0 and gai_result
> contains one entry with ai_family == AF_INET6. But later, call to socket()
> returns error 10047 (WSAEAFNOSUPPORT). Note, EAI_* codes is just an aliases
> for WSA* codes. In this case WSAEAFNOSUPPORT is an real error code for
> EAI_FAMILY.
That's unfortunate... I suppose the easiest way out of this would be
adding something like
#ifdef WIN_NT
if (!host_str && /* Windows version < Vista */)
gai_hints.ai_family = AF_INET;
#endif
This should also take care of XP/2003 with IPv6 support (making the
server listen on 0.0.0.0 by default).
> BTW, always write OS error code with custom error message !
You mean the number in addition to its text representation?
Michal Kubecek
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