diff options
Diffstat (limited to 'resolv/nss_dns/dns-host.c')
| -rw-r--r-- | resolv/nss_dns/dns-host.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c index fafe3435c0..c7bfc13aab 100644 --- a/resolv/nss_dns/dns-host.c +++ b/resolv/nss_dns/dns-host.c @@ -137,6 +137,7 @@ _nss_dns_gethostbyname2_r (const char *name, int af, struct hostent *result, int size, type, n; const char *cp; int map = 0; + int olderr = errno; if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1) return NSS_STATUS_UNAVAIL; @@ -175,7 +176,10 @@ _nss_dns_gethostbyname2_r (const char *name, int af, struct hostent *result, enum nss_status status = (errno == ECONNREFUSED ? NSS_STATUS_UNAVAIL : NSS_STATUS_NOTFOUND); *h_errnop = h_errno; - *errnop = h_errno == TRY_AGAIN ? EAGAIN : ENOENT; + if (h_errno == TRY_AGAIN) + *errnop = EAGAIN; + else + __set_errno (olderr); /* If we are looking for a IPv6 address and mapping is enabled by having the RES_USE_INET6 bit in _res.options set, we try @@ -236,6 +240,7 @@ _nss_dns_gethostbyaddr_r (const void *addr, socklen_t len, int af, char qbuf[MAXDNAME+1], *qp = NULL; size_t size; int n, status; + int olderr = errno; if ((_res.options & RES_INIT) == 0 && __res_ninit (&_res) == -1) return NSS_STATUS_UNAVAIL; @@ -300,7 +305,7 @@ _nss_dns_gethostbyaddr_r (const void *addr, socklen_t len, int af, if (n < 0) { *h_errnop = h_errno; - *errnop = errno; + __set_errno (olderr); return errno == ECONNREFUSED ? NSS_STATUS_UNAVAIL : NSS_STATUS_NOTFOUND; } @@ -443,7 +448,6 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype, if (__builtin_expect (qdcount, 1) != 1) { *h_errnop = NO_RECOVERY; - *errnop = ENOENT; return NSS_STATUS_UNAVAIL; } if (sizeof (struct host_data) + (ancount + 1) * sizeof (char *) >= buflen) |