On Fri, Apr 11, 2008 at 05:48:19PM +0000, Robert Edmonds wrote: > Why is exim using gethost* calls? If you look in the > exim-4.69/src/host.c file, you'll see implementation details like: > > #if HAVE_GETIPNODEBYNAME > hostdata = getipnodebyname(CS host->name, af, 0, &error_num); > #else > hostdata = gethostbyname2(CS host->name, af); > error_num = h_errno; > #endif [...] > glibc has had these new getipnode* calls for quite some time; there's no > reason not to use them. Why doesn't exim-4.69/OS/os.h-Linux define > these feature macros?
From the getipnodebyname(3) manpage:
NOTES
These functions were present in glibc 2.1.91-95, but were removed
again. Several Unix-like systems support them, but all call them
deprecated.
The best way is to use getaddrinfo() and getnameinfo().
> Yes, there is a much better way: do not perform name resolution to
> determine the host's FQDN. It is wrong.
I agree.
--
Met vriendelijke groet / with kind regards,
Guus Sliepen <[EMAIL PROTECTED]>
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