1  /* Copyright (C) 1996-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     This program is free software; you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published
       6     by the Free Software Foundation; version 2 of the License, or
       7     (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program; if not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <ctype.h>
      18  #include <errno.h>
      19  #include <netdb.h>
      20  #include <string.h>
      21  #include <arpa/inet.h>
      22  #include <netinet/in.h>
      23  
      24  
      25  #define LOOKUP_TYPE	struct hostent
      26  #define FUNCTION_NAME	gethostbyname3
      27  #define FUNCTION2_NAME	gethostbyname2
      28  #define DATABASE_NAME	hosts
      29  #define ADD_PARAMS	const char *name, int af
      30  #define EXTRA_PARAMS	, int32_t *ttlp, char **canonp
      31  #define ADD_VARIABLES	name, af
      32  #define EXTRA_VARIABLES	, ttlp, canonp
      33  #define NEED_H_ERRNO	1
      34  #define NEED__RES       1
      35  
      36  #define HANDLE_DIGITS_DOTS	1
      37  #define HAVE_LOOKUP_BUFFER	1
      38  #define HAVE_AF			1
      39  
      40  /* We are nscd, so we don't want to be talking to ourselves.  */
      41  #undef	USE_NSCD
      42  
      43  #include "../nss/getXXbyYY_r.c"
      44  
      45  
      46  int
      47  __gethostbyname2_r (const char *name, int af, struct hostent *ret, char *buf,
      48  		    size_t buflen, struct hostent **result, int *h_errnop)
      49  {
      50    return __gethostbyname3_r (name, af, ret, buf, buflen, result, h_errnop,
      51  			     NULL, NULL);
      52  }