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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [ftok.c] - Blame information for rev 258

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Line No. Rev Author Line
1 207 jeremybenn
/* Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, write to the Free
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   02111-1307 USA.  */
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/* Modified for newlib by Jeff Johnston, June 10/2002 */
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/stat.h>
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#if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 2
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#define STAT stat64
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#else
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#define STAT stat
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#endif
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key_t
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ftok (pathname, proj_id)
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     const char *pathname;
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     int proj_id;
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{
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  struct STAT st;
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  key_t key;
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  if (STAT (pathname, &st) < 0)
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    return (key_t) -1;
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  key = ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16)
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         | ((proj_id & 0xff) << 24));
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  return key;
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}

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