mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-24 13:33:08 +03:00
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <sys/ipc.h>
|
|
#include <sys/stat.h>
|
|
|
|
key_t
|
|
ftok (pathname, proj_id)
|
|
const char *pathname;
|
|
int proj_id;
|
|
{
|
|
struct stat64 st;
|
|
key_t key;
|
|
|
|
if (__xstat64 (_STAT_VER, pathname, &st) < 0)
|
|
return (key_t) -1;
|
|
|
|
key = ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16)
|
|
| ((proj_id & 0xff) << 24));
|
|
|
|
return key;
|
|
}
|