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[svn] Specify AI_ADDRCONFIG only when the address family is not explicitly

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requested.
This commit is contained in:
hniksic 2003-11-14 18:18:41 -08:00
parent 98349dee6f
commit dcc890b007
2 changed files with 14 additions and 4 deletions
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7
src/ChangeLog
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@ -1,3 +1,10 @@
2003-11-15 Hrvoje Niksic <hniksic@xemacs.org>
* host.c (lookup_host): Use AI_ADDRCONFIG only if the family is
unspecified. This ensures that specifying `--no-inet4' on systems
where IPv6 resolves, but doesn't work behaves the same regardless
of the availability of AI_ADDRCONFIG.
2003-11-15 Hrvoje Niksic <hniksic@xemacs.org>
* host.c: Don't refer to the now-removed function

11
src/host.c
View File

@ -575,16 +575,19 @@ lookup_host (const char *host, int flags)
xzero (hints);
hints.ai_socktype = SOCK_STREAM;
hints.ai_family = AF_UNSPEC;
if (opt.ipv4_only && !opt.ipv6_only)
hints.ai_family = AF_INET;
else if (opt.ipv6_only && !opt.ipv4_only)
hints.ai_family = AF_INET6;
else
{
hints.ai_family = AF_UNSPEC;
#ifdef HAVE_GETADDRINFO_AI_ADDRCONFIG
/* Use AI_ADDRCONFIG where available. See init.c:defaults(). */
hints.ai_flags |= AI_ADDRCONFIG;
/* Use AI_ADDRCONFIG if available and if specific family isn't
explicitly requested. See init.c:defaults(). */
hints.ai_flags |= AI_ADDRCONFIG;
#endif
}
if (flags & LH_BIND)
hints.ai_flags |= AI_PASSIVE;