mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 13:30:06 +00:00
ae81730fad
1999-07-18 Ulrich Drepper <drepper@cygnus.com> * 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.
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <netdb.h>
|
|
#include <string.h>
|
|
|
|
|
|
#define LOOKUP_TYPE struct hostent
|
|
#define FUNCTION_NAME gethostbyaddr
|
|
#define DATABASE_NAME hosts
|
|
#define ADD_PARAMS const char *addr, size_t len, int type
|
|
#define ADD_VARIABLES addr, len, type
|
|
#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) \
|
|
{ \
|
|
_res_hconf_reorder_addrs (resbuf); \
|
|
_res_hconf_trim_domains (resbuf); \
|
|
}
|
|
|
|
#include "../nss/getXXbyYY_r.c"
|