diff options
Diffstat (limited to 'nss/gethstbyad_r.c')
| -rw-r--r-- | nss/gethstbyad_r.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/nss/gethstbyad_r.c b/nss/gethstbyad_r.c new file mode 100644 index 0000000..ee1b1d1 --- /dev/null +++ b/nss/gethstbyad_r.c @@ -0,0 +1,50 @@ +/* Copyright (C) 1996-2023 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <netdb.h> +#include <string.h> +#include <resolv/res_hconf.h> + +#define LOOKUP_TYPE struct hostent +#define FUNCTION_NAME gethostbyaddr +#define DATABASE_NAME hosts +#define ADD_PARAMS const void *addr, socklen_t len, int type +#define ADD_VARIABLES addr, len, type +#define NEED_H_ERRNO 1 +#define NEED__RES 1 +/* If the addr parameter is the IPv6 unspecified address no query must + be performed. */ +#define PREPROCESS \ + if (len == sizeof (struct in6_addr) \ + && __builtin_expect (memcmp (&__in6addr_any, addr, \ + sizeof (struct in6_addr)), 1) == 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); \ + } + +/* Special name for the lookup function. */ +#define DB_LOOKUP_FCT __nss_hosts_lookup2 + +#include "../nss/getXXbyYY_r.c" |