Blame sysdeps/posix/gai_strerror.c

Packit Service 82fcde
/* Copyright (C) 1997-2018 Free Software Foundation, Inc.
Packit Service 82fcde
   This file is part of the GNU C Library.
Packit Service 82fcde
   Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997.
Packit Service 82fcde
Packit Service 82fcde
   The GNU C Library is free software; you can redistribute it and/or
Packit Service 82fcde
   modify it under the terms of the GNU Lesser General Public
Packit Service 82fcde
   License as published by the Free Software Foundation; either
Packit Service 82fcde
   version 2.1 of the License, or (at your option) any later version.
Packit Service 82fcde
Packit Service 82fcde
   The GNU C Library is distributed in the hope that it will be useful,
Packit Service 82fcde
   but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit Service 82fcde
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Packit Service 82fcde
   Lesser General Public License for more details.
Packit Service 82fcde
Packit Service 82fcde
   You should have received a copy of the GNU Lesser General Public
Packit Service 82fcde
   License along with the GNU C Library; if not, see
Packit Service 82fcde
   <http://www.gnu.org/licenses/>.  */
Packit Service 82fcde
Packit Service 82fcde
#include <libintl.h>
Packit Service 82fcde
#include <netdb.h>
Packit Service 82fcde
#include <stdint.h>
Packit Service 82fcde
#include <stdio.h>
Packit Service 82fcde
Packit Service 82fcde
Packit Service 82fcde
#define MSGSTRFIELD(line) MSGSTRFIELD1 (line)
Packit Service 82fcde
#define MSGSTRFIELD1(line) str##line
Packit Service 82fcde
static const union msgstr_t
Packit Service 82fcde
{
Packit Service 82fcde
  struct
Packit Service 82fcde
  {
Packit Service 82fcde
#define _S(n, s) char MSGSTRFIELD(__LINE__)[sizeof (s)];
Packit Service 82fcde
#include "gai_strerror-strs.h"
Packit Service 82fcde
#undef _S
Packit Service 82fcde
  };
Packit Service 82fcde
  char str[0];
Packit Service 82fcde
} msgstr =
Packit Service 82fcde
  {
Packit Service 82fcde
    {
Packit Service 82fcde
#define _S(n, s) s,
Packit Service 82fcde
#include "gai_strerror-strs.h"
Packit Service 82fcde
#undef _S
Packit Service 82fcde
    }
Packit Service 82fcde
  };
Packit Service 82fcde
static const struct
Packit Service 82fcde
{
Packit Service 82fcde
  int16_t code;
Packit Service 82fcde
  uint16_t idx;
Packit Service 82fcde
} msgidx[] =
Packit Service 82fcde
  {
Packit Service 82fcde
#define _S(n, s) { n, offsetof (union msgstr_t, MSGSTRFIELD (__LINE__)) },
Packit Service 82fcde
#include "gai_strerror-strs.h"
Packit Service 82fcde
#undef _S
Packit Service 82fcde
  };
Packit Service 82fcde
Packit Service 82fcde
Packit Service 82fcde
const char *
Packit Service 82fcde
gai_strerror (int code)
Packit Service 82fcde
{
Packit Service 82fcde
  const char *result = "Unknown error";
Packit Service 82fcde
  for (size_t i = 0; i < sizeof (msgidx) / sizeof (msgidx[0]); ++i)
Packit Service 82fcde
    if (msgidx[i].code == code)
Packit Service 82fcde
      {
Packit Service 82fcde
	result = msgstr.str + msgidx[i].idx;
Packit Service 82fcde
	break;
Packit Service 82fcde
      }
Packit Service 82fcde
Packit Service 82fcde
  return _(result);
Packit Service 82fcde
}
Packit Service 82fcde
libc_hidden_def (gai_strerror)