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/* Host support routines for MinGW, for GDB, the GNU debugger.

   Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include "defs.h"

#include "gdb_string.h"

#include "gdb_select.h"

/* The strerror() function can return NULL for errno values that are

   out of range.  Provide a "safe" version that always returns a

   printable string. */

char *

safe_strerror (int errnum)

{

  char *msg;

  msg = strerror (errnum);

  if (msg == NULL)

    {

      static char buf[32];

      xsnprintf (buf, sizeof buf, "(undocumented errno %d)", errnum);

      msg = buf;

    }

  return (msg);

}

/* Wrapper for select.  Nothing special needed on POSIX platforms.  */

int

gdb_select (int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,

            struct timeval *timeout)

{

  return select (n, readfds, writefds, exceptfds, timeout);

}