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authorUlrich Drepper <drepper@redhat.com>2004-09-17 23:47:50 +0000
committerUlrich Drepper <drepper@redhat.com>2004-09-17 23:47:50 +0000
commitf04b1e1f0f86cce932ede5b5a088c0ec4712ce34 (patch)
treed92265f86e08f4d68637bb94fff8395f96c41980 /sysdeps/posix
parentf731666f48ff8545cda808739630bd474f024ce8 (diff)
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[BZ #390]
Update. 2004-09-18 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/nscd_setup_thread.c (setup_thread): Do nothing if __NR_set_tid_address is not defined. [BZ #390] 2004-09-17 Ulrich Drepper <drepper@redhat.com> * sysdeps/posix/getaddrinfo.c: Use gethostbyname3_r NSS function in case it is available.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/getaddrinfo.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 9bf2537..c8cb752 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. */