2012-06-16 01:52:53 +00:00
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#ifndef _SYS_SYSMACROS_H
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#define _SYS_SYSMACROS_H
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2011-02-12 05:22:29 +00:00
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2013-05-15 20:15:50 +00:00
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#define major(x) \
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((unsigned)( (((x)>>32) & 0xfffff000) | (((x)>>8) & 0x00000fff) ))
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#define minor(x) \
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((unsigned)( (((x)>>12) & 0xffffff00) | ((x) & 0x000000ff) ))
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#define makedev(x,y) ( \
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(((x)&0xfffff000ULL) << 32) | \
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(((x)&0x00000fffULL) << 8) | \
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(((y)&0xffffff00ULL) << 12) | \
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(((y)&0x000000ffULL)) )
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2011-02-12 05:22:29 +00:00
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#endif
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