diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 3650b0554c..3b0ac9351e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2008-11-26 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/posix/getaddrinfo.c (getaddrinfo): If the system has + neither IPv4 nor IPv6 addresses defined, don't do anything. + 2008-11-26 Roland McGrath <roland@redhat.com> * sysdeps/unix/sysv/linux/alpha/ipc_priv.h: Renamed to ... diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 97f3af9938..b52c371c81 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -2110,6 +2110,11 @@ getaddrinfo (const char *name, const char *service, narrow down the search. */ if (! seen_ipv4 || ! seen_ipv6) { + if (! seen_ipv4 && ! seen_ipv6) + /* Neither IPv4 nor IPv6 interfaces exist, nothing to + return. */ + goto err_noname; + local_hints = *hints; local_hints.ai_family = seen_ipv4 ? PF_INET : PF_INET6; hints = &local_hints; @@ -2119,6 +2124,7 @@ getaddrinfo (const char *name, const char *service, || (hints->ai_family == PF_INET6 && ! seen_ipv6)) { /* We cannot possibly return a valid answer. */ + err_noname: free (in6ai); return EAI_NONAME; } |