diff options
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index f9d0bf42fe..b3f9f4f9b0 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -775,8 +775,13 @@ gaih_inet (const char *name, const struct gaih_service *service, while (!no_more) { - nss_gethostbyname3_r fct - = __nss_lookup_function (nip, "gethostbyname3_r"); + nss_gethostbyname3_r fct = NULL; + if (req->ai_flags & AI_CANONNAME) + /* No need to use this function if we do not look for + the canonical name. The function does not exist in + all NSS modules and therefore the lookup would + often fail. */ + fct = __nss_lookup_function (nip, "gethostbyname3_r"); if (fct == NULL) /* We are cheating here. The gethostbyname2_r function does not have the same interface as gethostbyname3_r but the |