43 lines
911 B
C
43 lines
911 B
C
/* sys/sysmacros.h
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Copyright 1998, 2000, 2001, 2002, 2010, 2011, 2012 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _SYS_SYSMACROS_H
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#define _SYS_SYSMACROS_H
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#include <sys/types.h>
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_ELIDABLE_INLINE int gnu_dev_major(dev_t);
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_ELIDABLE_INLINE int gnu_dev_minor(dev_t);
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_ELIDABLE_INLINE dev_t gnu_dev_makedev(int, int);
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_ELIDABLE_INLINE int
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gnu_dev_major(dev_t dev)
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{
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return (int)(((dev) >> 16) & 0xffff);
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}
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_ELIDABLE_INLINE int
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gnu_dev_minor(dev_t dev)
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{
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return (int)((dev) & 0xffff);
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}
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_ELIDABLE_INLINE dev_t
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gnu_dev_makedev(int maj, int min)
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{
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return (((maj) << 16) | ((min) & 0xffff));
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}
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#define major(dev) gnu_dev_major(dev)
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#define minor(dev) gnu_dev_minor(dev)
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#define makedev(maj, min) gnu_dev_makedev(maj, min)
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#endif /* _SYS_SYSMACROS_H */
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