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/* Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.

   The GNU C Library 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.

   The GNU C Library 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 the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

/* Modified for newlib by Jeff Johnston, June 10/2002 */

#include <sys/types.h>

#include <sys/ipc.h>

#include <sys/stat.h>

#if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 2

#define STAT stat64

#else

#define STAT stat

#endif

key_t

ftok (pathname, proj_id)

     const char *pathname;

     int proj_id;

{

  struct STAT st;

  key_t key;

  if (STAT (pathname, &st) < 0)

    return (key_t) -1;

  key = ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16)

         | ((proj_id & 0xff) << 24));

  return key;

}