203e13d97d
I made a mistake caught by code review earlier, so let's try to be safer by default. This patch also moves all our "forwarding" headers to the guardless just-include-the-other-thing style that we usually use. (Where we have a comment explaining where the header comes from, I've kept that.) Change-Id: I37342cf5e2563c6a269b2ba61a697069b1c7913b
46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYS_SYSMACROS_H_
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#define _SYS_SYSMACROS_H_
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#include <sys/cdefs.h>
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#define makedev(__major, __minor) \
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( \
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(((__major) & 0xfffff000ULL) << 32) | (((__major) & 0xfffULL) << 8) | \
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(((__minor) & 0xffffff00ULL) << 12) | (((__minor) & 0xffULL)) \
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)
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#define major(__dev) \
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((unsigned) ((((unsigned long long) (__dev) >> 32) & 0xfffff000) | (((__dev) >> 8) & 0xfff)))
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#define minor(__dev) \
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((unsigned) ((((__dev) >> 12) & 0xffffff00) | ((__dev) & 0xff)))
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#endif /* _SYS_SYSMACROS_H_ */
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