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/* Copyright (C) 1997, 2001-2002, 2004-2006, 2008-2025 Free Software
   Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997.

   This file 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.

   This file 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 this program.  If not, see <https://www.gnu.org/licenses/>.  */

#ifndef _LIBC
# include <config.h>
#endif

#include <stdio.h>
#include <netdb.h>

#ifdef _LIBC
# include <libintl.h>
#else
# include "gettext.h"
# define _(msgid) dgettext (GNULIB_TEXT_DOMAIN, msgid)
# define N_(msgid) msgid
#endif

#if HAVE_DECL_GAI_STRERROR

# include <sys/socket.h>
# undef gai_strerror
# if HAVE_DECL_GAI_STRERRORA
#  define gai_strerror gai_strerrorA
# endif

const char *
rpl_gai_strerror (int code)
{
  return gai_strerror (code);
}

#else /* !HAVE_DECL_GAI_STRERROR */

static struct
  {
    int code;
    const char *msg;
  }
values[] =
  {
    { EAI_ADDRFAMILY, N_("Address family for hostname not supported") },
    { EAI_AGAIN, N_("Temporary failure in name resolution") },
    { EAI_BADFLAGS, N_("Bad value for ai_flags") },
    { EAI_FAIL, N_("Non-recoverable failure in name resolution") },
    { EAI_FAMILY, N_("ai_family not supported") },
    { EAI_MEMORY, N_("Memory allocation failure") },
    { EAI_NODATA, N_("No address associated with hostname") },
    { EAI_NONAME, N_("Name or service not known") },
    { EAI_SERVICE, N_("Servname not supported for ai_socktype") },
    { EAI_SOCKTYPE, N_("ai_socktype not supported") },
    { EAI_SYSTEM, N_("System error") },
    { EAI_OVERFLOW, N_("Argument buffer too small") },
#ifdef EAI_INPROGRESS
    { EAI_INPROGRESS, N_("Processing request in progress") },
    { EAI_CANCELED, N_("Request canceled") },
    { EAI_NOTCANCELED, N_("Request not canceled") },
    { EAI_ALLDONE, N_("All requests done") },
    { EAI_INTR, N_("Interrupted by a signal") },
    { EAI_IDN_ENCODE, N_("Parameter string not correctly encoded") }
#endif
  };

const char *
gai_strerror (int code)
{
  size_t i;
  for (i = 0; i < sizeof (values) / sizeof (values[0]); ++i)
    if (values[i].code == code)
      return _(values[i].msg);

  return _("Unknown error");
}
# ifdef _LIBC
libc_hidden_def (gai_strerror)
# endif
#endif /* !HAVE_DECL_GAI_STRERROR */
kc3-lang/gnulib/lib/gai_strerror.c

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lib/gai_strerror.c
