diff options
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 9bf2537235..c8cb752b18 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -289,11 +289,12 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp, int herrno; \ struct hostent th; \ struct hostent *h; \ + char *localcanon = NULL; \ no_data = 0; \ while (1) { \ rc = 0; \ status = DL_CALL_FCT (fct, (name, _family, &th, tmpbuf, \ - tmpbuflen, &rc, &herrno)); \ + tmpbuflen, &rc, &herrno, NULL, &localcanon)); \ if (rc != ERANGE || herrno != NETDB_INTERNAL) \ break; \ tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \ @@ -342,16 +343,19 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp, pat = &((*pat)->next); \ } \ \ + if (localcanon != NULL) \ + canon = strdupa (localcanon); \ + \ if (_family == AF_INET6 && i > 0) \ got_ipv6 = true; \ } \ } -typedef enum nss_status (*nss_gethostbyname2_r) +typedef enum nss_status (*nss_gethostbyname3_r) (const char *name, int af, struct hostent *host, char *buffer, size_t buflen, int *errnop, - int *h_errnop); + int *h_errnop, int32_t *ttlp, char **canonp); typedef enum nss_status (*nss_getcanonname_r) (const char *name, char *buffer, size_t buflen, char **result, int *errnop, int *h_errnop); @@ -771,8 +775,14 @@ gaih_inet (const char *name, const struct gaih_service *service, while (!no_more) { - nss_gethostbyname2_r fct - = __nss_lookup_function (nip, "gethostbyname2_r"); + nss_gethostbyname3_r 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 + extra arguments the latter takes are added at the end. + So the gethostbyname2_r code will just ignore them. */ + fct = __nss_lookup_function (nip, "gethostbyname2_r"); if (fct != NULL) { @@ -805,7 +815,7 @@ gaih_inet (const char *name, const struct gaih_service *service, if (inet6_status == NSS_STATUS_SUCCESS || status == NSS_STATUS_SUCCESS) { - if ((req->ai_flags & AI_CANONNAME) != 0) + if ((req->ai_flags & AI_CANONNAME) != 0 && canon == NULL) { /* If we need the canonical name, get it from the same service as the result. */ |