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loizides |
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/* lzo_conf.h -- main internal configuration file for the the LZO library
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This file is part of the LZO real-time data compression library.
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Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
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All Rights Reserved.
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The LZO library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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The LZO library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the LZO library; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Markus F.X.J. Oberhumer
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<markus@oberhumer.com>
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http://www.oberhumer.com/opensource/lzo/
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*/
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/* WARNING: this file should *not* be used by applications. It is
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part of the implementation of the library and is subject
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to change.
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*/
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#ifndef __LZO_CONF_H
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#define __LZO_CONF_H
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#if !defined(__LZO_IN_MINILZO)
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#if defined(LZO_CFG_FREESTANDING)
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# define LZO_LIBC_FREESTANDING 1
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# define LZO_OS_FREESTANDING 1
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# define ACC_LIBC_FREESTANDING 1
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# define ACC_OS_FREESTANDING 1
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#endif
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#if defined(LZO_CFG_NO_UNALIGNED)
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# define ACC_CFG_NO_UNALIGNED 1
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#endif
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#if defined(LZO_ARCH_GENERIC)
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# define ACC_ARCH_GENERIC 1
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#endif
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#if defined(LZO_ABI_NEUTRAL_ENDIAN)
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# define ACC_ABI_NEUTRAL_ENDIAN 1
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#endif
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#if defined(LZO_HAVE_CONFIG_H)
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# define ACC_CONFIG_NO_HEADER 1
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#endif
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#if defined(LZO_CFG_EXTRA_CONFIG_HEADER)
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# include LZO_CFG_EXTRA_CONFIG_HEADER
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#endif
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#if defined(__LZOCONF_H) || defined(__LZOCONF_H_INCLUDED)
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# error "include this file first"
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#endif
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#include "lzo/lzoconf.h"
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#endif
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#if (LZO_VERSION < 0x02000) || !defined(__LZOCONF_H_INCLUDED)
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# error "version mismatch"
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#endif
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/***********************************************************************
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// pragmas
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************************************************************************/
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#if (LZO_CC_BORLANDC && LZO_ARCH_I086)
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# pragma option -h /* enable fast huge pointers */
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#endif
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#if (LZO_CC_MSC && (_MSC_VER >= 1000))
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# pragma warning(disable: 4127 4701)
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#endif
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#if (LZO_CC_MSC && (_MSC_VER >= 1300))
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/* avoid `-Wall' warnings in system header files */
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# pragma warning(disable: 4820)
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/* avoid warnings about inlining */
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# pragma warning(disable: 4514 4710 4711)
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#endif
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#if (LZO_CC_SUNPROC)
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# pragma error_messages(off,E_END_OF_LOOP_CODE_NOT_REACHED)
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# pragma error_messages(off,E_LOOP_NOT_ENTERED_AT_TOP)
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#endif
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/***********************************************************************
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//
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************************************************************************/
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#if defined(__LZO_MMODEL_HUGE) && (!LZO_HAVE_MM_HUGE_PTR)
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# error "this should not happen - check defines for __huge"
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#endif
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#if defined(__LZO_IN_MINILZO) || defined(LZO_CFG_FREESTANDING)
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#elif (LZO_OS_DOS16 || LZO_OS_OS216 || LZO_OS_WIN16)
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# define ACC_WANT_ACC_INCD_H 1
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# define ACC_WANT_ACC_INCE_H 1
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# define ACC_WANT_ACC_INCI_H 1
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#elif 1
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# include <string.h>
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#else
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# define ACC_WANT_ACC_INCD_H 1
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#endif
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#include "miniacc.h"
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#if defined(LZO_CFG_FREESTANDING)
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# undef HAVE_MEMCMP
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# undef HAVE_MEMCPY
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# undef HAVE_MEMMOVE
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# undef HAVE_MEMSET
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#endif
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#if !defined(HAVE_MEMCMP)
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# undef memcmp
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# define memcmp(a,b,c) lzo_memcmp(a,b,c)
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#elif !defined(__LZO_MMODEL_HUGE)
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# define lzo_memcmp(a,b,c) memcmp(a,b,c)
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#endif
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#if !defined(HAVE_MEMCPY)
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# undef memcpy
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# define memcpy(a,b,c) lzo_memcpy(a,b,c)
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#elif !defined(__LZO_MMODEL_HUGE)
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# define lzo_memcpy(a,b,c) memcpy(a,b,c)
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#endif
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#if !defined(HAVE_MEMMOVE)
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# undef memmove
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# define memmove(a,b,c) lzo_memmove(a,b,c)
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#elif !defined(__LZO_MMODEL_HUGE)
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# define lzo_memmove(a,b,c) memmove(a,b,c)
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#endif
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#if !defined(HAVE_MEMSET)
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# undef memset
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# define memset(a,b,c) lzo_memset(a,b,c)
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#elif !defined(__LZO_MMODEL_HUGE)
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# define lzo_memset(a,b,c) memset(a,b,c)
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#endif
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#undef NDEBUG
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#if defined(LZO_CFG_FREESTANDING)
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# undef LZO_DEBUG
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# define NDEBUG 1
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# undef assert
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# define assert(e) ((void)0)
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#else
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# if !defined(LZO_DEBUG)
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# define NDEBUG 1
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# endif
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# include <assert.h>
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#endif
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#if 0 && defined(__BOUNDS_CHECKING_ON)
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# include <unchecked.h>
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#else
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# define BOUNDS_CHECKING_OFF_DURING(stmt) stmt
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# define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr)
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#endif
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#if !defined(__lzo_inline)
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# define __lzo_inline
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#endif
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#if !defined(__lzo_forceinline)
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# define __lzo_forceinline
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#endif
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#if !defined(__lzo_noinline)
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# define __lzo_noinline
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#endif
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/***********************************************************************
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//
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************************************************************************/
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#if 1
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# define LZO_BYTE(x) ((unsigned char) (x))
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#else
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# define LZO_BYTE(x) ((unsigned char) ((x) & 0xff))
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#endif
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#define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b))
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#define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b))
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#define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c))
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#define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c))
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#define lzo_sizeof(type) ((lzo_uint) (sizeof(type)))
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#define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array))))
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/* this always fits into 16 bits */
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#define LZO_SIZE(bits) (1u << (bits))
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#define LZO_MASK(bits) (LZO_SIZE(bits) - 1)
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#define LZO_LSIZE(bits) (1ul << (bits))
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#define LZO_LMASK(bits) (LZO_LSIZE(bits) - 1)
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#define LZO_USIZE(bits) ((lzo_uint) 1 << (bits))
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#define LZO_UMASK(bits) (LZO_USIZE(bits) - 1)
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#if !defined(DMUL)
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#if 0
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/* 32*32 multiplies may be faster than 64*64 on some 64-bit machines,
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* but then we need extra casts from unsigned<->size_t */
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# define DMUL(a,b) ((lzo_xint) ((lzo_uint32)(a) * (lzo_uint32)(b)))
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#else
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# define DMUL(a,b) ((lzo_xint) ((a) * (b)))
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#endif
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#endif
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/***********************************************************************
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// compiler and architecture specific stuff
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************************************************************************/
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/* Some defines that indicate if memory can be accessed at unaligned
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* memory addresses. You should also test that this is actually faster
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* even if it is allowed by your system.
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*/
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#if 1 && !defined(LZO_CFG_NO_UNALIGNED)
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#if 1 && (LZO_ARCH_AMD64 || LZO_ARCH_I386)
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# if (LZO_SIZEOF_SHORT == 2)
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# define LZO_UNALIGNED_OK_2
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# endif
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# if (LZO_SIZEOF_INT == 4)
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# define LZO_UNALIGNED_OK_4
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# endif
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#endif
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#endif
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#if defined(LZO_UNALIGNED_OK_2)
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LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(short) == 2)
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#endif
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#if defined(LZO_UNALIGNED_OK_4)
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LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint32) == 4)
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#elif defined(LZO_ALIGNED_OK_4)
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LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint32) == 4)
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#endif
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/* Fast memcpy that copies multiples of 8 byte chunks.
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* len is the number of bytes.
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* note: all parameters must be lvalues, len >= 8
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* dest and src advance, len is undefined afterwards
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*/
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#define MEMCPY8_DS(dest,src,len) \
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lzo_memcpy(dest,src,len); dest += len; src += len
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#define BZERO8_PTR(s,l,n) \
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lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n))
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#define MEMCPY_DS(dest,src,len) \
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do *dest++ = *src++; while (--len > 0)
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/***********************************************************************
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// some globals
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************************************************************************/
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__LZO_EXTERN_C int __lzo_init_done;
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__LZO_EXTERN_C const char __lzo_copyright[];
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LZO_EXTERN(const lzo_bytep) lzo_copyright(void);
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/***********************************************************************
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//
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************************************************************************/
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#include "lzo_ptr.h"
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/* Generate compressed data in a deterministic way.
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* This is fully portable, and compression can be faster as well.
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* A reason NOT to be deterministic is when the block size is
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* very small (e.g. 8kB) or the dictionary is big, because
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* then the initialization of the dictionary becomes a relevant
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* magnitude for compression speed.
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*/
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#define LZO_DETERMINISTIC
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#define LZO_DICT_USE_PTR
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#if 0 && (LZO_ARCH_I086)
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# undef LZO_DICT_USE_PTR
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#endif
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#if defined(LZO_DICT_USE_PTR)
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# define lzo_dict_t const lzo_bytep
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# define lzo_dict_p lzo_dict_t __LZO_MMODEL *
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#else
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# define lzo_dict_t lzo_uint
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# define lzo_dict_p lzo_dict_t __LZO_MMODEL *
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#endif
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#endif /* already included */
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/*
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vi:ts=4:et
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*/
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