1  /* Copyright (C) 1997, 2001-2002, 2004-2006, 2008-2023 Free Software
       2     Foundation, Inc.
       3     This file is part of the GNU C Library.
       4     Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997.
       5  
       6     This file is free software: you can redistribute it and/or modify
       7     it under the terms of the GNU Lesser General Public License as
       8     published by the Free Software Foundation; either version 2.1 of the
       9     License, or (at your option) any later version.
      10  
      11     This file is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14     GNU Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public License
      17     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _LIBC
      20  # include <config.h>
      21  #endif
      22  
      23  #include <stdio.h>
      24  #include <netdb.h>
      25  
      26  #ifdef _LIBC
      27  # include <libintl.h>
      28  #else
      29  # include "gettext.h"
      30  # define _(String) gettext (String)
      31  # define N_(String) String
      32  #endif
      33  
      34  #if HAVE_DECL_GAI_STRERROR
      35  
      36  # include <sys/socket.h>
      37  # undef gai_strerror
      38  # if HAVE_DECL_GAI_STRERRORA
      39  #  define gai_strerror gai_strerrorA
      40  # endif
      41  
      42  const char *
      43  rpl_gai_strerror (int code)
      44  {
      45    return gai_strerror (code);
      46  }
      47  
      48  #else /* !HAVE_DECL_GAI_STRERROR */
      49  
      50  static struct
      51    {
      52      int code;
      53      const char *msg;
      54    }
      55  values[] =
      56    {
      57      { EAI_ADDRFAMILY, N_("Address family for hostname not supported") },
      58      { EAI_AGAIN, N_("Temporary failure in name resolution") },
      59      { EAI_BADFLAGS, N_("Bad value for ai_flags") },
      60      { EAI_FAIL, N_("Non-recoverable failure in name resolution") },
      61      { EAI_FAMILY, N_("ai_family not supported") },
      62      { EAI_MEMORY, N_("Memory allocation failure") },
      63      { EAI_NODATA, N_("No address associated with hostname") },
      64      { EAI_NONAME, N_("Name or service not known") },
      65      { EAI_SERVICE, N_("Servname not supported for ai_socktype") },
      66      { EAI_SOCKTYPE, N_("ai_socktype not supported") },
      67      { EAI_SYSTEM, N_("System error") },
      68      { EAI_OVERFLOW, N_("Argument buffer too small") },
      69  #ifdef EAI_INPROGRESS
      70      { EAI_INPROGRESS, N_("Processing request in progress") },
      71      { EAI_CANCELED, N_("Request canceled") },
      72      { EAI_NOTCANCELED, N_("Request not canceled") },
      73      { EAI_ALLDONE, N_("All requests done") },
      74      { EAI_INTR, N_("Interrupted by a signal") },
      75      { EAI_IDN_ENCODE, N_("Parameter string not correctly encoded") }
      76  #endif
      77    };
      78  
      79  const char *
      80  gai_strerror (int code)
      81  {
      82    size_t i;
      83    for (i = 0; i < sizeof (values) / sizeof (values[0]); ++i)
      84      if (values[i].code == code)
      85        return _(values[i].msg);
      86  
      87    return _("Unknown error");
      88  }
      89  # ifdef _LIBC
      90  libc_hidden_def (gai_strerror)
      91  # endif
      92  #endif /* !HAVE_DECL_GAI_STRERROR */