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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* 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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#include <sys/ipc.h>
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#include <sys/stat.h>
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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 stat64 st;
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key_t key;
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if (__xstat64 (_STAT_VER, 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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