diff options
Diffstat (limited to 'lzo/src/lzo_ptr.h')
| -rw-r--r-- | lzo/src/lzo_ptr.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/lzo/src/lzo_ptr.h b/lzo/src/lzo_ptr.h deleted file mode 100644 index 6aa1fc84..00000000 --- a/lzo/src/lzo_ptr.h +++ /dev/null @@ -1,161 +0,0 @@ -/* lzo_ptr.h -- 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/ - */ - - -/* WARNING: this file should *not* be used by applications. It is - part of the implementation of the library and is subject - to change. - */ - - -#ifndef __LZO_PTR_H -#define __LZO_PTR_H 1 - -#ifdef __cplusplus -extern "C" { -#endif - - -/*********************************************************************** -// Integral types -************************************************************************/ - -#if !defined(lzo_uintptr_t) -# if (__LZO_MMODEL_HUGE) -# define lzo_uintptr_t unsigned long -# else -# define lzo_uintptr_t acc_uintptr_t -# ifdef __ACC_INTPTR_T_IS_POINTER -# define __LZO_UINTPTR_T_IS_POINTER 1 -# endif -# endif -#endif - - -/*********************************************************************** -// -************************************************************************/ - -/* Always use the safe (=integral) version for pointer-comparisons. - * The compiler should optimize away the additional casts anyway. - * - * Note that this only works if the representation and ordering - * of the pointer and the integral is the same (at bit level). - * - * Most 16-bit compilers have their own view about pointers - - * fortunately they don't care about comparing pointers - * that are pointing to Nirvana. - */ - -#if (LZO_ARCH_I086) -#define PTR(a) ((lzo_bytep) (a)) -/* only need the low bits of the pointer -> offset is ok */ -#define PTR_ALIGNED_4(a) ((ACC_PTR_FP_OFF(a) & 3) == 0) -#define PTR_ALIGNED2_4(a,b) (((ACC_PTR_FP_OFF(a) | ACC_PTR_FP_OFF(b)) & 3) == 0) -#elif (LZO_MM_PVP) -#define PTR(a) ((lzo_bytep) (a)) -#define PTR_ALIGNED_8(a) ((((lzo_uintptr_t)(a)) >> 61) == 0) -#define PTR_ALIGNED2_8(a,b) ((((lzo_uintptr_t)(a)|(lzo_uintptr_t)(b)) >> 61) == 0) -#else -#define PTR(a) ((lzo_uintptr_t) (a)) -#define PTR_LINEAR(a) PTR(a) -#define PTR_ALIGNED_4(a) ((PTR_LINEAR(a) & 3) == 0) -#define PTR_ALIGNED_8(a) ((PTR_LINEAR(a) & 7) == 0) -#define PTR_ALIGNED2_4(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 3) == 0) -#define PTR_ALIGNED2_8(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 7) == 0) -#endif - -#define PTR_LT(a,b) (PTR(a) < PTR(b)) -#define PTR_GE(a,b) (PTR(a) >= PTR(b)) -#define PTR_DIFF(a,b) (PTR(a) - PTR(b)) -#define pd(a,b) ((lzo_uint) ((a)-(b))) - - -LZO_EXTERN(lzo_uintptr_t) -__lzo_ptr_linear(const lzo_voidp ptr); - - -typedef union -{ - char a_char; - unsigned char a_uchar; - short a_short; - unsigned short a_ushort; - int a_int; - unsigned int a_uint; - long a_long; - unsigned long a_ulong; - lzo_int a_lzo_int; - lzo_uint a_lzo_uint; - lzo_int32 a_lzo_int32; - lzo_uint32 a_lzo_uint32; -#if defined(LZO_UINT64_MAX) - lzo_int64 a_lzo_int64; - lzo_uint64 a_lzo_uint64; -#endif - ptrdiff_t a_ptrdiff_t; - lzo_uintptr_t a_lzo_uintptr_t; - lzo_voidp a_lzo_voidp; - void * a_void_p; - lzo_bytep a_lzo_bytep; - lzo_bytepp a_lzo_bytepp; - lzo_uintp a_lzo_uintp; - lzo_uint * a_lzo_uint_p; - lzo_uint32p a_lzo_uint32p; - lzo_uint32 * a_lzo_uint32_p; - unsigned char * a_uchar_p; - char * a_char_p; -} -lzo_full_align_t; - - - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif /* already included */ - -/* -vi:ts=4:et -*/ - |