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-rw-r--r--lzo/src/lzo_ptr.c95
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diff --git a/lzo/src/lzo_ptr.c b/lzo/src/lzo_ptr.c
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-/* lzo_ptr.c -- low-level pointer constructs
-
- This file is part of the LZO real-time data compression library.
-
- Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
- All Rights Reserved.
-
- The LZO library is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
-
- The LZO 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with the LZO library; see the file COPYING.
- If not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
- Markus F.X.J. Oberhumer
- <markus@oberhumer.com>
- http://www.oberhumer.com/opensource/lzo/
- */
-
-
-#include "lzo_conf.h"
-
-
-/***********************************************************************
-//
-************************************************************************/
-
-LZO_PUBLIC(lzo_uintptr_t)
-__lzo_ptr_linear(const lzo_voidp ptr)
-{
- lzo_uintptr_t p;
-
-#if (LZO_ARCH_I086)
- p = (((lzo_uintptr_t)(ACC_PTR_FP_SEG(ptr))) << (16 - ACC_MM_AHSHIFT)) + (ACC_PTR_FP_OFF(ptr));
-#elif (LZO_MM_PVP)
- p = (lzo_uintptr_t) (ptr);
- p = (p << 3) | (p >> 61);
-#else
- p = (lzo_uintptr_t) PTR_LINEAR(ptr);
-#endif
-
- return p;
-}
-
-
-/***********************************************************************
-//
-************************************************************************/
-
-LZO_PUBLIC(unsigned)
-__lzo_align_gap(const lzo_voidp ptr, lzo_uint size)
-{
-#if defined(__LZO_UINTPTR_T_IS_POINTER)
- size_t n = (size_t) ptr;
- n = (((n + size - 1) / size) * size) - n;
-#else
- lzo_uintptr_t p, n;
- p = __lzo_ptr_linear(ptr);
- n = (((p + size - 1) / size) * size) - p;
-#endif
-
- assert(size > 0);
- assert((long)n >= 0);
- assert(n <= size);
- return (unsigned)n;
-}
-
-
-
-/*
-vi:ts=4:et
-*/