From 91a034c61a32ebd6601fb8b894127d43b817f5fc Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Mon, 19 Mar 2001 21:51:29 +0000 Subject: Add in the sysvipc patch from Michael Shmulevich --- libc/misc/sysvipc/ftok.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 libc/misc/sysvipc/ftok.c (limited to 'libc/misc/sysvipc/ftok.c') diff --git a/libc/misc/sysvipc/ftok.c b/libc/misc/sysvipc/ftok.c new file mode 100644 index 000000000..06843edda --- /dev/null +++ b/libc/misc/sysvipc/ftok.c @@ -0,0 +1,38 @@ +/* Copyright (C) 1995, 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include + +key_t +ftok (pathname, proj_id) + const char *pathname; + int proj_id; +{ + struct stat st; + key_t key; + + if (_xstat (_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; +} -- cgit v1.2.3