From ae81730fad7e41f2eb348c62a778d10136073791 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 18 Jul 1999 17:31:43 +0000 Subject: Update. 1999-07-18 Ulrich Drepper * inet/gethstbyad_r.c (PREPROCESS): Test for unspecified IPv6 address and return an error in this case. * nss/getXXbyYY_r.c: Allow PREPROCESS be defined and use it if available. --- inet/gethstbyad_r.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'inet/gethstbyad_r.c') diff --git a/inet/gethstbyad_r.c b/inet/gethstbyad_r.c index 366cd55f17..137bdf9323 100644 --- a/inet/gethstbyad_r.c +++ b/inet/gethstbyad_r.c @@ -18,6 +18,7 @@ Boston, MA 02111-1307, USA. */ #include +#include #define LOOKUP_TYPE struct hostent @@ -28,6 +29,17 @@ #define NEED_H_ERRNO 1 #define NEED__RES 1 #define NEED__RES_HCONF 1 +/* If the addr parameter is the IPv6 unspecified address no query must + be performed. */ +#define PREPROCESS \ + if (__builtin_expect (len == sizeof (struct in6_addr) \ + && memcmp (&in6addr_any, addr, \ + sizeof (struct in6_addr)) == 0, 0)) \ + { \ + *h_errnop = HOST_NOT_FOUND; \ + *result = NULL; \ + return ENOENT; \ + } #define POSTPROCESS \ if (status == NSS_STATUS_SUCCESS) \ { \ -- cgit v1.2.3