mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 20:51:11 +00:00
31 lines
1.3 KiB
C
31 lines
1.3 KiB
C
/* Definitions of macros to access `dev_t' values.
|
|
Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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/>. */
|
|
|
|
#ifndef _SYS_SYSMACROS_H
|
|
#define _SYS_SYSMACROS_H 1
|
|
|
|
/* For compatibility we provide alternative names.
|
|
|
|
The problem here is that compilers other than GCC probably don't
|
|
have the `long long' type and so `dev_t' is actually an array. */
|
|
#define major(dev) ((int)(((unsigned int) (dev) >> 8) & 0xff))
|
|
#define minor(dev) ((int)((dev) & 0xff))
|
|
#define makedev(major, minor) (((major) << 8) | (minor))
|
|
|
|
#endif /* sys/sysmacros.h */
|