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Message-ID: <20060827003426.GB5204@martell.zuzino.mipt.ru>
Date: Sun, 27 Aug 2006 04:34:26 +0400
From: Alexey Dobriyan <adobriyan@...il.com>
To: reiserfs-list@...esys.com
Cc: linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>
Subject: Reiser4 und LZO compression
Reiser4 developers, Andrew,
The patch below is so-called reiser4 LZO compression plugin as extracted
from 2.6.18-rc4-mm3.
I think it is an unauditable piece of shit and thus should not enter
mainline.
--- /dev/null 2006-06-20 03:34:40.298038750 -0700
+++ devel/fs/reiser4/plugin/compress/lzoconf.h 2006-08-26 15:39:12.000000000 -0700
@@ -0,0 +1,420 @@
+/* lzoconf.h -- configuration for the LZO real-time data compression library
+ adopted for reiser4 compression transform plugin.
+
+ This file is part of the LZO real-time data compression library
+ and not included in any proprietary licenses of reiser4.
+
+ 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.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ Markus F.X.J. Oberhumer
+ <markus@...rhumer.com>
+ http://www.oberhumer.com/opensource/lzo/
+ */
+
+#include <linux/kernel.h> /* for UINT_MAX, ULONG_MAX - edward */
+
+#ifndef __LZOCONF_H
+#define __LZOCONF_H
+
+#define LZO_VERSION 0x1080
+#define LZO_VERSION_STRING "1.08"
+#define LZO_VERSION_DATE "Jul 12 2002"
+
+/* internal Autoconf configuration file - only used when building LZO */
+#if defined(LZO_HAVE_CONFIG_H)
+# include <config.h>
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/***********************************************************************
+// LZO requires a conforming <limits.h>
+************************************************************************/
+
+#define CHAR_BIT 8
+#define USHRT_MAX 0xffff
+
+/* workaround a cpp bug under hpux 10.20 */
+#define LZO_0xffffffffL 4294967295ul
+
+/***********************************************************************
+// architecture defines
+************************************************************************/
+
+#if !defined(__LZO_WIN) && !defined(__LZO_DOS) && !defined(__LZO_OS2)
+# if defined(__WINDOWS__) || defined(_WINDOWS) || defined(_Windows)
+# define __LZO_WIN
+# elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32)
+# define __LZO_WIN
+# elif defined(__NT__) || defined(__NT_DLL__) || defined(__WINDOWS_386__)
+# define __LZO_WIN
+# elif defined(__DOS__) || defined(__MSDOS__) || defined(MSDOS)
+# define __LZO_DOS
+# elif defined(__OS2__) || defined(__OS2V2__) || defined(OS2)
+# define __LZO_OS2
+# elif defined(__palmos__)
+# define __LZO_PALMOS
+# elif defined(__TOS__) || defined(__atarist__)
+# define __LZO_TOS
+# endif
+#endif
+
+#if (UINT_MAX < LZO_0xffffffffL)
+# if defined(__LZO_WIN)
+# define __LZO_WIN16
+# elif defined(__LZO_DOS)
+# define __LZO_DOS16
+# elif defined(__LZO_PALMOS)
+# define __LZO_PALMOS16
+# elif defined(__LZO_TOS)
+# define __LZO_TOS16
+# elif defined(__C166__)
+# else
+ /* porting hint: for pure 16-bit architectures try compiling
+ * everything with -D__LZO_STRICT_16BIT */
+# error "16-bit target not supported - contact me for porting hints"
+# endif
+#endif
+
+#if !defined(__LZO_i386)
+# if defined(__LZO_DOS) || defined(__LZO_WIN16)
+# define __LZO_i386
+# elif defined(__i386__) || defined(__386__) || defined(_M_IX86)
+# define __LZO_i386
+# endif
+#endif
+
+#if defined(__LZO_STRICT_16BIT)
+# if (UINT_MAX < LZO_0xffffffffL)
+# include <lzo16bit.h>
+# endif
+#endif
+
+/* memory checkers */
+#if !defined(__LZO_CHECKER)
+# if defined(__BOUNDS_CHECKING_ON)
+# define __LZO_CHECKER
+# elif defined(__CHECKER__)
+# define __LZO_CHECKER
+# elif defined(__INSURE__)
+# define __LZO_CHECKER
+# elif defined(__PURIFY__)
+# define __LZO_CHECKER
+# endif
+#endif
+
+/***********************************************************************
+// integral and pointer types
+************************************************************************/
+
+/* Integral types with 32 bits or more */
+#if !defined(LZO_UINT32_MAX)
+# if (UINT_MAX >= LZO_0xffffffffL)
+ typedef unsigned int lzo_uint32;
+ typedef int lzo_int32;
+# define LZO_UINT32_MAX UINT_MAX
+# define LZO_INT32_MAX INT_MAX
+# define LZO_INT32_MIN INT_MIN
+# elif (ULONG_MAX >= LZO_0xffffffffL)
+ typedef unsigned long lzo_uint32;
+ typedef long lzo_int32;
+# define LZO_UINT32_MAX ULONG_MAX
+# define LZO_INT32_MAX LONG_MAX
+# define LZO_INT32_MIN LONG_MIN
+# else
+# error "lzo_uint32"
+# endif
+#endif
+
+/* lzo_uint is used like size_t */
+#if !defined(LZO_UINT_MAX)
+# if (UINT_MAX >= LZO_0xffffffffL)
+ typedef unsigned int lzo_uint;
+ typedef int lzo_int;
+# define LZO_UINT_MAX UINT_MAX
+# define LZO_INT_MAX INT_MAX
+# define LZO_INT_MIN INT_MIN
+# elif (ULONG_MAX >= LZO_0xffffffffL)
+ typedef unsigned long lzo_uint;
+ typedef long lzo_int;
+# define LZO_UINT_MAX ULONG_MAX
+# define LZO_INT_MAX LONG_MAX
+# define LZO_INT_MIN LONG_MIN
+# else
+# error "lzo_uint"
+# endif
+#endif
+
+ typedef int lzo_bool;
+
+/***********************************************************************
+// memory models
+************************************************************************/
+
+/* Memory model for the public code segment. */
+#if !defined(__LZO_CMODEL)
+# if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+# define __LZO_CMODEL __far
+# elif defined(__LZO_i386) && defined(__WATCOMC__)
+# define __LZO_CMODEL __near
+# else
+# define __LZO_CMODEL
+# endif
+#endif
+
+/* Memory model for the public data segment. */
+#if !defined(__LZO_DMODEL)
+# if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+# define __LZO_DMODEL __far
+# elif defined(__LZO_i386) && defined(__WATCOMC__)
+# define __LZO_DMODEL __near
+# else
+# define __LZO_DMODEL
+# endif
+#endif
+
+/* Memory model that allows to access memory at offsets of lzo_uint. */
+#if !defined(__LZO_MMODEL)
+# if (LZO_UINT_MAX <= UINT_MAX)
+# define __LZO_MMODEL
+# elif defined(__LZO_DOS16) || defined(__LZO_WIN16)
+# define __LZO_MMODEL __huge
+# define LZO_999_UNSUPPORTED
+# elif defined(__LZO_PALMOS16) || defined(__LZO_TOS16)
+# define __LZO_MMODEL
+# else
+# error "__LZO_MMODEL"
+# endif
+#endif
+
+/* no typedef here because of const-pointer issues */
+#define lzo_byte unsigned char __LZO_MMODEL
+#define lzo_bytep unsigned char __LZO_MMODEL *
+#define lzo_charp char __LZO_MMODEL *
+#define lzo_voidp void __LZO_MMODEL *
+#define lzo_shortp short __LZO_MMODEL *
+#define lzo_ushortp unsigned short __LZO_MMODEL *
+#define lzo_uint32p lzo_uint32 __LZO_MMODEL *
+#define lzo_int32p lzo_int32 __LZO_MMODEL *
+#define lzo_uintp lzo_uint __LZO_MMODEL *
+#define lzo_intp lzo_int __LZO_MMODEL *
+#define lzo_voidpp lzo_voidp __LZO_MMODEL *
+#define lzo_bytepp lzo_bytep __LZO_MMODEL *
+
+#ifndef lzo_sizeof_dict_t
+# define lzo_sizeof_dict_t sizeof(lzo_bytep)
+#endif
+
+/***********************************************************************
+// calling conventions and function types
+************************************************************************/
+
+/* linkage */
+#if !defined(__LZO_EXTERN_C)
+# ifdef __cplusplus
+# define __LZO_EXTERN_C extern "C"
+# else
+# define __LZO_EXTERN_C extern
+# endif
+#endif
+
+/* calling convention */
+#if !defined(__LZO_CDECL)
+# if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+# define __LZO_CDECL __LZO_CMODEL __cdecl
+# elif defined(__LZO_i386) && defined(_MSC_VER)
+# define __LZO_CDECL __LZO_CMODEL __cdecl
+# elif defined(__LZO_i386) && defined(__WATCOMC__)
+# define __LZO_CDECL __LZO_CMODEL __cdecl
+# else
+# define __LZO_CDECL __LZO_CMODEL
+# endif
+#endif
+#if !defined(__LZO_ENTRY)
+# define __LZO_ENTRY __LZO_CDECL
+#endif
+
+/* C++ exception specification for extern "C" function types */
+#if !defined(__cplusplus)
+# undef LZO_NOTHROW
+# define LZO_NOTHROW
+#elif !defined(LZO_NOTHROW)
+# define LZO_NOTHROW
+#endif
+
+ typedef int
+ (__LZO_ENTRY * lzo_compress_t) (const lzo_byte * src, lzo_uint src_len,
+ lzo_byte * dst, lzo_uintp dst_len,
+ lzo_voidp wrkmem);
+
+ typedef int
+ (__LZO_ENTRY * lzo_decompress_t) (const lzo_byte * src,
+ lzo_uint src_len, lzo_byte * dst,
+ lzo_uintp dst_len, lzo_voidp wrkmem);
+
+ typedef int
+ (__LZO_ENTRY * lzo_optimize_t) (lzo_byte * src, lzo_uint src_len,
+ lzo_byte * dst, lzo_uintp dst_len,
+ lzo_voidp wrkmem);
+
+ typedef int
+ (__LZO_ENTRY * lzo_compress_dict_t) (const lzo_byte * src,
+ lzo_uint src_len, lzo_byte * dst,
+ lzo_uintp dst_len,
+ lzo_voidp wrkmem,
+ const lzo_byte * dict,
+ lzo_uint dict_len);
+
+ typedef int
+ (__LZO_ENTRY * lzo_decompress_dict_t) (const lzo_byte * src,
+ lzo_uint src_len,
+ lzo_byte * dst,
+ lzo_uintp dst_len,
+ lzo_voidp wrkmem,
+ const lzo_byte * dict,
+ lzo_uint dict_len);
+
+/* assembler versions always use __cdecl */
+ typedef int
+ (__LZO_CDECL * lzo_compress_asm_t) (const lzo_byte * src,
+ lzo_uint src_len, lzo_byte * dst,
+ lzo_uintp dst_len,
+ lzo_voidp wrkmem);
+
+ typedef int
+ (__LZO_CDECL * lzo_decompress_asm_t) (const lzo_byte * src,
+ lzo_uint src_len, lzo_byte * dst,
+ lzo_uintp dst_len,
+ lzo_voidp wrkmem);
+
+/* a progress indicator callback function */
+ typedef void (__LZO_ENTRY * lzo_progress_callback_t) (lzo_uint,
+ lzo_uint);
+
+/***********************************************************************
+// export information
+************************************************************************/
+
+/* DLL export information */
+#if !defined(__LZO_EXPORT1)
+# define __LZO_EXPORT1
+#endif
+#if !defined(__LZO_EXPORT2)
+# define __LZO_EXPORT2
+#endif
+
+/* exported calling convention for C functions */
+#if !defined(LZO_PUBLIC)
+# define LZO_PUBLIC(_rettype) \
+ __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_ENTRY
+#endif
+#if !defined(LZO_EXTERN)
+# define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype)
+#endif
+#if !defined(LZO_PRIVATE)
+# define LZO_PRIVATE(_rettype) static _rettype __LZO_ENTRY
+#endif
+
+/* exported __cdecl calling convention for assembler functions */
+#if !defined(LZO_PUBLIC_CDECL)
+# define LZO_PUBLIC_CDECL(_rettype) \
+ __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL
+#endif
+#if !defined(LZO_EXTERN_CDECL)
+# define LZO_EXTERN_CDECL(_rettype) __LZO_EXTERN_C LZO_PUBLIC_CDECL(_rettype)
+#endif
+
+/* exported global variables (LZO currently uses no static variables and
+ * is fully thread safe) */
+#if !defined(LZO_PUBLIC_VAR)
+# define LZO_PUBLIC_VAR(_type) \
+ __LZO_EXPORT1 _type __LZO_EXPORT2 __LZO_DMODEL
+#endif
+#if !defined(LZO_EXTERN_VAR)
+# define LZO_EXTERN_VAR(_type) extern LZO_PUBLIC_VAR(_type)
+#endif
+
+/***********************************************************************
+// error codes and prototypes
+************************************************************************/
+
+/* Error codes for the compression/decompression functions. Negative
+ * values are errors, positive values will be used for special but
+ * normal events.
+ */
+#define LZO_E_OK 0
+#define LZO_E_ERROR (-1)
+#define LZO_E_OUT_OF_MEMORY (-2) /* not used right now */
+#define LZO_E_NOT_COMPRESSIBLE (-3) /* not used right now */
+#define LZO_E_INPUT_OVERRUN (-4)
+#define LZO_E_OUTPUT_OVERRUN (-5)
+#define LZO_E_LOOKBEHIND_OVERRUN (-6)
+#define LZO_E_EOF_NOT_FOUND (-7)
+#define LZO_E_INPUT_NOT_CONSUMED (-8)
+
+/* lzo_init() should be the first function you call.
+ * Check the return code !
+ *
+ * lzo_init() is a macro to allow checking that the library and the
+ * compiler's view of various types are consistent.
+ */
+#define lzo_init() __lzo_init2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\
+ (int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\
+ (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\
+ (int)sizeof(lzo_compress_t))
+ LZO_EXTERN(int) __lzo_init2(unsigned, int, int, int, int, int, int,
+ int, int, int);
+
+/* checksum functions */
+ LZO_EXTERN(lzo_uint32)
+ lzo_crc32(lzo_uint32 _c, const lzo_byte * _buf, lzo_uint _len);
+
+/* misc. */
+ typedef union {
+ lzo_bytep p;
+ lzo_uint u;
+ } __lzo_pu_u;
+ typedef union {
+ lzo_bytep p;
+ lzo_uint32 u32;
+ } __lzo_pu32_u;
+ typedef union {
+ void *vp;
+ lzo_bytep bp;
+ lzo_uint32 u32;
+ long l;
+ } lzo_align_t;
+
+#define LZO_PTR_ALIGN_UP(_ptr,_size) \
+ ((_ptr) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(_ptr),(lzo_uint)(_size)))
+
+/* deprecated - only for backward compatibility */
+#define LZO_ALIGN(_ptr,_size) LZO_PTR_ALIGN_UP(_ptr,_size)
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+#endif /* already included */
--- /dev/null 2006-06-20 03:34:40.298038750 -0700
+++ devel/fs/reiser4/plugin/compress/minilzo.c 2006-08-26 15:39:12.000000000 -0700
@@ -0,0 +1,2155 @@
+/* minilzo.c -- mini subset of the LZO real-time data compression library
+ adopted for reiser4 compression transform plugin.
+
+ This file is part of the LZO real-time data compression library
+ and not included in any proprietary licenses of reiser4.
+
+ 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.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ Markus F.X.J. Oberhumer
+ <markus@...rhumer.com>
+ http://www.oberhumer.com/opensource/lzo/
+ */
+
+/*
+ * NOTE:
+ * the full LZO package can be found at
+ * http://www.oberhumer.com/opensource/lzo/
+ */
+
+#include "../../debug.h" /* for reiser4 assert macro -edward */
+
+#define __LZO_IN_MINILZO
+#define LZO_BUILD
+
+#ifdef MINILZO_HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#undef LZO_HAVE_CONFIG_H
+#include "minilzo.h"
+
+#if !defined(MINILZO_VERSION) || (MINILZO_VERSION != 0x1080)
+# error "version mismatch in miniLZO source files"
+#endif
+
+#ifdef MINILZO_HAVE_CONFIG_H
+# define LZO_HAVE_CONFIG_H
+#endif
+
+
+#ifndef __LZO_CONF_H
+#define __LZO_CONF_H
+
+#if !defined(__LZO_IN_MINILZO)
+# ifndef __LZOCONF_H
+# include <lzoconf.h>
+# endif
+#endif
+
+#if defined(__BOUNDS_CHECKING_ON)
+# include <unchecked.h>
+#else
+# define BOUNDS_CHECKING_OFF_DURING(stmt) stmt
+# define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr)
+#endif
+
+# define HAVE_MEMCMP
+# define HAVE_MEMCPY
+# define HAVE_MEMMOVE
+# define HAVE_MEMSET
+
+#if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+# define HAVE_MALLOC_H
+# define HAVE_HALLOC
+#endif
+
+#undef NDEBUG
+#if !defined(LZO_DEBUG)
+# define NDEBUG
+#endif
+#if defined(LZO_DEBUG) || !defined(NDEBUG)
+# if !defined(NO_STDIO_H)
+# include <stdio.h>
+# endif
+#endif
+# if 0 /* edward */
+#include <assert.h>
+#endif /* edward */
+
+#if !defined(LZO_COMPILE_TIME_ASSERT)
+# define LZO_COMPILE_TIME_ASSERT(expr) \
+ { typedef int __lzo_compile_time_assert_fail[1 - 2 * !(expr)]; }
+#endif
+
+#if !defined(LZO_UNUSED)
+# if 1
+# define LZO_UNUSED(var) ((void)&var)
+# elif 0
+# define LZO_UNUSED(var) { typedef int __lzo_unused[sizeof(var) ? 2 : 1]; }
+# else
+# define LZO_UNUSED(parm) (parm = parm)
+# endif
+#endif
+
+#if !defined(__inline__) && !defined(__GNUC__)
+# if defined(__cplusplus)
+# define __inline__ inline
+# else
+# define __inline__
+# endif
+#endif
+
+#if defined(NO_MEMCMP)
+# undef HAVE_MEMCMP
+#endif
+
+#if !defined(HAVE_MEMSET)
+# undef memset
+# define memset lzo_memset
+#endif
+
+# define LZO_BYTE(x) ((unsigned char) ((x) & 0xff))
+
+#define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b))
+#define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b))
+#define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c))
+#define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c))
+
+#define lzo_sizeof(type) ((lzo_uint) (sizeof(type)))
+
+#define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array))))
+
+#define LZO_SIZE(bits) (1u << (bits))
+#define LZO_MASK(bits) (LZO_SIZE(bits) - 1)
+
+#define LZO_LSIZE(bits) (1ul << (bits))
+#define LZO_LMASK(bits) (LZO_LSIZE(bits) - 1)
+
+#define LZO_USIZE(bits) ((lzo_uint) 1 << (bits))
+#define LZO_UMASK(bits) (LZO_USIZE(bits) - 1)
+
+#define LZO_STYPE_MAX(b) (((1l << (8*(b)-2)) - 1l) + (1l << (8*(b)-2)))
+#define LZO_UTYPE_MAX(b) (((1ul << (8*(b)-1)) - 1ul) + (1ul << (8*(b)-1)))
+
+#if !defined(SIZEOF_UNSIGNED)
+# if (UINT_MAX == 0xffff)
+# define SIZEOF_UNSIGNED 2
+# elif (UINT_MAX == LZO_0xffffffffL)
+# define SIZEOF_UNSIGNED 4
+# elif (UINT_MAX >= LZO_0xffffffffL)
+# define SIZEOF_UNSIGNED 8
+# else
+# error "SIZEOF_UNSIGNED"
+# endif
+#endif
+
+#if !defined(SIZEOF_UNSIGNED_LONG)
+# if (ULONG_MAX == LZO_0xffffffffL)
+# define SIZEOF_UNSIGNED_LONG 4
+# elif (ULONG_MAX >= LZO_0xffffffffL)
+# define SIZEOF_UNSIGNED_LONG 8
+# else
+# error "SIZEOF_UNSIGNED_LONG"
+# endif
+#endif
+
+#if !defined(SIZEOF_SIZE_T)
+# define SIZEOF_SIZE_T SIZEOF_UNSIGNED
+#endif
+#if !defined(SIZE_T_MAX)
+# define SIZE_T_MAX LZO_UTYPE_MAX(SIZEOF_SIZE_T)
+#endif
+
+#if 1 && defined(__LZO_i386) && (UINT_MAX == LZO_0xffffffffL)
+# if !defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX == 0xffff)
+# define LZO_UNALIGNED_OK_2
+# endif
+# if !defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX == LZO_0xffffffffL)
+# define LZO_UNALIGNED_OK_4
+# endif
+#endif
+
+#if defined(LZO_UNALIGNED_OK_2) || defined(LZO_UNALIGNED_OK_4)
+# if !defined(LZO_UNALIGNED_OK)
+# define LZO_UNALIGNED_OK
+# endif
+#endif
+
+#if defined(__LZO_NO_UNALIGNED)
+# undef LZO_UNALIGNED_OK
+# undef LZO_UNALIGNED_OK_2
+# undef LZO_UNALIGNED_OK_4
+#endif
+
+#if defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX != 0xffff)
+# error "LZO_UNALIGNED_OK_2 must not be defined on this system"
+#endif
+#if defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL)
+# error "LZO_UNALIGNED_OK_4 must not be defined on this system"
+#endif
+
+#if defined(__LZO_NO_ALIGNED)
+# undef LZO_ALIGNED_OK_4
+#endif
+
+#if defined(LZO_ALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL)
+# error "LZO_ALIGNED_OK_4 must not be defined on this system"
+#endif
+
+#define LZO_LITTLE_ENDIAN 1234
+#define LZO_BIG_ENDIAN 4321
+#define LZO_PDP_ENDIAN 3412
+
+#if !defined(LZO_BYTE_ORDER)
+# if defined(MFX_BYTE_ORDER)
+# define LZO_BYTE_ORDER MFX_BYTE_ORDER
+# elif defined(__LZO_i386)
+# define LZO_BYTE_ORDER LZO_LITTLE_ENDIAN
+# elif defined(BYTE_ORDER)
+# define LZO_BYTE_ORDER BYTE_ORDER
+# elif defined(__BYTE_ORDER)
+# define LZO_BYTE_ORDER __BYTE_ORDER
+# endif
+#endif
+
+#if defined(LZO_BYTE_ORDER)
+# if (LZO_BYTE_ORDER != LZO_LITTLE_ENDIAN) && \
+ (LZO_BYTE_ORDER != LZO_BIG_ENDIAN)
+# error "invalid LZO_BYTE_ORDER"
+# endif
+#endif
+
+#if defined(LZO_UNALIGNED_OK) && !defined(LZO_BYTE_ORDER)
+# error "LZO_BYTE_ORDER is not defined"
+#endif
+
+#define LZO_OPTIMIZE_GNUC_i386_IS_BUGGY
+
+#if defined(NDEBUG) && !defined(LZO_DEBUG) && !defined(__LZO_CHECKER)
+# if defined(__GNUC__) && defined(__i386__)
+# if !defined(LZO_OPTIMIZE_GNUC_i386_IS_BUGGY)
+# define LZO_OPTIMIZE_GNUC_i386
+# endif
+# endif
+#endif
+
+__LZO_EXTERN_C const lzo_uint32 _lzo_crc32_table[256];
+
+#define _LZO_STRINGIZE(x) #x
+#define _LZO_MEXPAND(x) _LZO_STRINGIZE(x)
+
+#define _LZO_CONCAT2(a,b) a ## b
+#define _LZO_CONCAT3(a,b,c) a ## b ## c
+#define _LZO_CONCAT4(a,b,c,d) a ## b ## c ## d
+#define _LZO_CONCAT5(a,b,c,d,e) a ## b ## c ## d ## e
+
+#define _LZO_ECONCAT2(a,b) _LZO_CONCAT2(a,b)
+#define _LZO_ECONCAT3(a,b,c) _LZO_CONCAT3(a,b,c)
+#define _LZO_ECONCAT4(a,b,c,d) _LZO_CONCAT4(a,b,c,d)
+#define _LZO_ECONCAT5(a,b,c,d,e) _LZO_CONCAT5(a,b,c,d,e)
+
+#ifndef __LZO_PTR_H
+#define __LZO_PTR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+# include <dos.h>
+# if 1 && defined(__WATCOMC__)
+# include <i86.h>
+ __LZO_EXTERN_C unsigned char _HShift;
+# define __LZO_HShift _HShift
+# elif 1 && defined(_MSC_VER)
+ __LZO_EXTERN_C unsigned short __near _AHSHIFT;
+# define __LZO_HShift ((unsigned) &_AHSHIFT)
+# elif defined(__LZO_WIN16)
+# define __LZO_HShift 3
+# else
+# define __LZO_HShift 12
+# endif
+# if !defined(_FP_SEG) && defined(FP_SEG)
+# define _FP_SEG FP_SEG
+# endif
+# if !defined(_FP_OFF) && defined(FP_OFF)
+# define _FP_OFF FP_OFF
+# endif
+#endif
+
+#if !defined(lzo_ptrdiff_t)
+# if (UINT_MAX >= LZO_0xffffffffL)
+ typedef ptrdiff_t lzo_ptrdiff_t;
+# else
+ typedef long lzo_ptrdiff_t;
+# endif
+#endif
+
+#if !defined(__LZO_HAVE_PTR_T)
+# if defined(lzo_ptr_t)
+# define __LZO_HAVE_PTR_T
+# endif
+#endif
+#if !defined(__LZO_HAVE_PTR_T)
+# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_LONG)
+# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_LONG)
+ typedef unsigned long lzo_ptr_t;
+ typedef long lzo_sptr_t;
+# define __LZO_HAVE_PTR_T
+# endif
+# endif
+#endif
+#if !defined(__LZO_HAVE_PTR_T)
+# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED)
+# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED)
+ typedef unsigned int lzo_ptr_t;
+ typedef int lzo_sptr_t;
+# define __LZO_HAVE_PTR_T
+# endif
+# endif
+#endif
+#if !defined(__LZO_HAVE_PTR_T)
+# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_SHORT)
+# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_SHORT)
+ typedef unsigned short lzo_ptr_t;
+ typedef short lzo_sptr_t;
+# define __LZO_HAVE_PTR_T
+# endif
+# endif
+#endif
+#if !defined(__LZO_HAVE_PTR_T)
+# if defined(LZO_HAVE_CONFIG_H) || defined(SIZEOF_CHAR_P)
+# error "no suitable type for lzo_ptr_t"
+# else
+ typedef unsigned long lzo_ptr_t;
+ typedef long lzo_sptr_t;
+# define __LZO_HAVE_PTR_T
+# endif
+#endif
+
+#if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+#define PTR(a) ((lzo_bytep) (a))
+#define PTR_ALIGNED_4(a) ((_FP_OFF(a) & 3) == 0)
+#define PTR_ALIGNED2_4(a,b) (((_FP_OFF(a) | _FP_OFF(b)) & 3) == 0)
+#else
+#define PTR(a) ((lzo_ptr_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) ((lzo_ptrdiff_t) (PTR(a) - PTR(b)))
+#define pd(a,b) ((lzo_uint) ((a)-(b)))
+
+ 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;
+ ptrdiff_t a_ptrdiff_t;
+ lzo_ptrdiff_t a_lzo_ptrdiff_t;
+ lzo_ptr_t a_lzo_ptr_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
+}
+#endif
+#endif
+#define LZO_DETERMINISTIC
+#define LZO_DICT_USE_PTR
+#if defined(__LZO_DOS16) || defined(__LZO_WIN16) || defined(__LZO_STRICT_16BIT)
+# undef LZO_DICT_USE_PTR
+#endif
+#if defined(LZO_DICT_USE_PTR)
+# define lzo_dict_t const lzo_bytep
+# define lzo_dict_p lzo_dict_t __LZO_MMODEL *
+#else
+# define lzo_dict_t lzo_uint
+# define lzo_dict_p lzo_dict_t __LZO_MMODEL *
+#endif
+#if !defined(lzo_moff_t)
+#define lzo_moff_t lzo_uint
+#endif
+#endif
+static lzo_ptr_t __lzo_ptr_linear(const lzo_voidp ptr)
+{
+ lzo_ptr_t p;
+
+#if defined(__LZO_DOS16) || defined(__LZO_WIN16)
+ p = (((lzo_ptr_t) (_FP_SEG(ptr))) << (16 - __LZO_HShift)) +
+ (_FP_OFF(ptr));
+#else
+ p = PTR_LINEAR(ptr);
+#endif
+
+ return p;
+}
+
+static unsigned __lzo_align_gap(const lzo_voidp ptr, lzo_uint size)
+{
+ lzo_ptr_t p, s, n;
+
+ assert("lzo-01", size > 0);
+
+ p = __lzo_ptr_linear(ptr);
+ s = (lzo_ptr_t) (size - 1);
+ n = (((p + s) / size) * size) - p;
+
+ assert("lzo-02", (long)n >= 0);
+ assert("lzo-03", n <= s);
+
+ return (unsigned)n;
+}
+
+#ifndef __LZO_UTIL_H
+#define __LZO_UTIL_H
+
+#ifndef __LZO_CONF_H
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if 1 && defined(HAVE_MEMCPY)
+#if !defined(__LZO_DOS16) && !defined(__LZO_WIN16)
+
+#define MEMCPY8_DS(dest,src,len) \
+ memcpy(dest,src,len); \
+ dest += len; \
+ src += len
+
+#endif
+#endif
+
+#if !defined(MEMCPY8_DS)
+
+#define MEMCPY8_DS(dest,src,len) \
+ { register lzo_uint __l = (len) / 8; \
+ do { \
+ *dest++ = *src++; \
+ *dest++ = *src++; \
+ *dest++ = *src++; \
+ *dest++ = *src++; \
+ *dest++ = *src++; \
+ *dest++ = *src++; \
+ *dest++ = *src++; \
+ *dest++ = *src++; \
+ } while (--__l > 0); }
+
+#endif
+
+#define MEMCPY_DS(dest,src,len) \
+ do *dest++ = *src++; \
+ while (--len > 0)
+
+#define MEMMOVE_DS(dest,src,len) \
+ do *dest++ = *src++; \
+ while (--len > 0)
+
+
+#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET)
+
+#define BZERO8_PTR(s,l,n) memset((s),0,(lzo_uint)(l)*(n))
+
+#else
+
+#define BZERO8_PTR(s,l,n) \
+ lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n))
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/* If you use the LZO library in a product, you *must* keep this
+ * copyright string in the executable of your product.
+ */
+
+static const lzo_byte __lzo_copyright[] =
+#if !defined(__LZO_IN_MINLZO)
+ LZO_VERSION_STRING;
+#else
+ "\n\n\n"
+ "LZO real-time data compression library.\n"
+ "Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer\n"
+ "<markus.oberhumer@...uni-linz.ac.at>\n"
+ "http://www.oberhumer.com/opensource/lzo/\n"
+ "\n"
+ "LZO version: v" LZO_VERSION_STRING ", " LZO_VERSION_DATE "\n"
+ "LZO build date: " __DATE__ " " __TIME__ "\n\n"
+ "LZO special compilation options:\n"
+#ifdef __cplusplus
+ " __cplusplus\n"
+#endif
+#if defined(__PIC__)
+ " __PIC__\n"
+#elif defined(__pic__)
+ " __pic__\n"
+#endif
+#if (UINT_MAX < LZO_0xffffffffL)
+ " 16BIT\n"
+#endif
+#if defined(__LZO_STRICT_16BIT)
+ " __LZO_STRICT_16BIT\n"
+#endif
+#if (UINT_MAX > LZO_0xffffffffL)
+ " UINT_MAX=" _LZO_MEXPAND(UINT_MAX) "\n"
+#endif
+#if (ULONG_MAX > LZO_0xffffffffL)
+ " ULONG_MAX=" _LZO_MEXPAND(ULONG_MAX) "\n"
+#endif
+#if defined(LZO_BYTE_ORDER)
+ " LZO_BYTE_ORDER=" _LZO_MEXPAND(LZO_BYTE_ORDER) "\n"
+#endif
+#if defined(LZO_UNALIGNED_OK_2)
+ " LZO_UNALIGNED_OK_2\n"
+#endif
+#if defined(LZO_UNALIGNED_OK_4)
+ " LZO_UNALIGNED_OK_4\n"
+#endif
+#if defined(LZO_ALIGNED_OK_4)
+ " LZO_ALIGNED_OK_4\n"
+#endif
+#if defined(LZO_DICT_USE_PTR)
+ " LZO_DICT_USE_PTR\n"
+#endif
+#if defined(__LZO_QUERY_COMPRESS)
+ " __LZO_QUERY_COMPRESS\n"
+#endif
+#if defined(__LZO_QUERY_DECOMPRESS)
+ " __LZO_QUERY_DECOMPRESS\n"
+#endif
+#if defined(__LZO_IN_MINILZO)
+ " __LZO_IN_MINILZO\n"
+#endif
+ "\n\n" "$Id: LZO " LZO_VERSION_STRING " built " __DATE__ " " __TIME__
+#if defined(__GNUC__) && defined(__VERSION__)
+ " by gcc " __VERSION__
+#elif defined(__BORLANDC__)
+ " by Borland C " _LZO_MEXPAND(__BORLANDC__)
+#elif defined(_MSC_VER)
+ " by Microsoft C " _LZO_MEXPAND(_MSC_VER)
+#elif defined(__PUREC__)
+ " by Pure C " _LZO_MEXPAND(__PUREC__)
+#elif defined(__SC__)
+ " by Symantec C " _LZO_MEXPAND(__SC__)
+#elif defined(__TURBOC__)
+ " by Turbo C " _LZO_MEXPAND(__TURBOC__)
+#elif defined(__WATCOMC__)
+ " by Watcom C " _LZO_MEXPAND(__WATCOMC__)
+#endif
+ " $\n"
+ "$Copyright: LZO (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer $\n";
+#endif
+
+#define LZO_BASE 65521u
+#define LZO_NMAX 5552
+
+#define LZO_DO1(buf,i) {s1 += buf[i]; s2 += s1;}
+#define LZO_DO2(buf,i) LZO_DO1(buf,i); LZO_DO1(buf,i+1);
+#define LZO_DO4(buf,i) LZO_DO2(buf,i); LZO_DO2(buf,i+2);
+#define LZO_DO8(buf,i) LZO_DO4(buf,i); LZO_DO4(buf,i+4);
+#define LZO_DO16(buf,i) LZO_DO8(buf,i); LZO_DO8(buf,i+8);
+
+# define IS_SIGNED(type) (((type) (-1)) < ((type) 0))
+# define IS_UNSIGNED(type) (((type) (-1)) > ((type) 0))
+
+#define IS_POWER_OF_2(x) (((x) & ((x) - 1)) == 0)
+
+static lzo_bool schedule_insns_bug(void);
+static lzo_bool strength_reduce_bug(int *);
+
+# define __lzo_assert(x) ((x) ? 1 : 0)
+
+#undef COMPILE_TIME_ASSERT
+
+# define COMPILE_TIME_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr)
+
+static lzo_bool basic_integral_check(void)
+{
+ lzo_bool r = 1;
+
+ COMPILE_TIME_ASSERT(CHAR_BIT == 8);
+ COMPILE_TIME_ASSERT(sizeof(char) == 1);
+ COMPILE_TIME_ASSERT(sizeof(short) >= 2);
+ COMPILE_TIME_ASSERT(sizeof(long) >= 4);
+ COMPILE_TIME_ASSERT(sizeof(int) >= sizeof(short));
+ COMPILE_TIME_ASSERT(sizeof(long) >= sizeof(int));
+
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint) == sizeof(lzo_int));
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == sizeof(lzo_int32));
+
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= 4);
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= sizeof(unsigned));
+#if defined(__LZO_STRICT_16BIT)
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint) == 2);
+#else
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= 4);
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= sizeof(unsigned));
+#endif
+
+#if (USHRT_MAX == 65535u)
+ COMPILE_TIME_ASSERT(sizeof(short) == 2);
+#elif (USHRT_MAX == LZO_0xffffffffL)
+ COMPILE_TIME_ASSERT(sizeof(short) == 4);
+#elif (USHRT_MAX >= LZO_0xffffffffL)
+ COMPILE_TIME_ASSERT(sizeof(short) > 4);
+#endif
+#if 0 /* to make gcc happy -edward */
+#if (UINT_MAX == 65535u)
+ COMPILE_TIME_ASSERT(sizeof(int) == 2);
+#elif (UINT_MAX == LZO_0xffffffffL)
+ COMPILE_TIME_ASSERT(sizeof(int) == 4);
+#elif (UINT_MAX >= LZO_0xffffffffL)
+ COMPILE_TIME_ASSERT(sizeof(int) > 4);
+#endif
+#if (ULONG_MAX == 65535ul)
+ COMPILE_TIME_ASSERT(sizeof(long) == 2);
+#elif (ULONG_MAX == LZO_0xffffffffL)
+ COMPILE_TIME_ASSERT(sizeof(long) == 4);
+#elif (ULONG_MAX >= LZO_0xffffffffL)
+ COMPILE_TIME_ASSERT(sizeof(long) > 4);
+#endif
+#if defined(SIZEOF_UNSIGNED)
+ COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED == sizeof(unsigned));
+#endif
+#if defined(SIZEOF_UNSIGNED_LONG)
+ COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_LONG == sizeof(unsigned long));
+#endif
+#if defined(SIZEOF_UNSIGNED_SHORT)
+ COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_SHORT == sizeof(unsigned short));
+#endif
+#if !defined(__LZO_IN_MINILZO)
+#if defined(SIZEOF_SIZE_T)
+ COMPILE_TIME_ASSERT(SIZEOF_SIZE_T == sizeof(size_t));
+#endif
+#endif
+#endif /* -edward */
+
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned char));
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned short));
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned));
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned long));
+ COMPILE_TIME_ASSERT(IS_SIGNED(short));
+ COMPILE_TIME_ASSERT(IS_SIGNED(int));
+ COMPILE_TIME_ASSERT(IS_SIGNED(long));
+
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint32));
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint));
+ COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int32));
+ COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int));
+
+ COMPILE_TIME_ASSERT(INT_MAX == LZO_STYPE_MAX(sizeof(int)));
+ COMPILE_TIME_ASSERT(UINT_MAX == LZO_UTYPE_MAX(sizeof(unsigned)));
+ COMPILE_TIME_ASSERT(LONG_MAX == LZO_STYPE_MAX(sizeof(long)));
+ COMPILE_TIME_ASSERT(ULONG_MAX == LZO_UTYPE_MAX(sizeof(unsigned long)));
+ // COMPILE_TIME_ASSERT(SHRT_MAX == LZO_STYPE_MAX(sizeof(short))); /* edward */
+ COMPILE_TIME_ASSERT(USHRT_MAX == LZO_UTYPE_MAX(sizeof(unsigned short)));
+ COMPILE_TIME_ASSERT(LZO_UINT32_MAX ==
+ LZO_UTYPE_MAX(sizeof(lzo_uint32)));
+ COMPILE_TIME_ASSERT(LZO_UINT_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint)));
+#if !defined(__LZO_IN_MINILZO)
+ COMPILE_TIME_ASSERT(SIZE_T_MAX == LZO_UTYPE_MAX(sizeof(size_t)));
+#endif
+
+ r &= __lzo_assert(LZO_BYTE(257) == 1);
+
+ return r;
+}
+
+static lzo_bool basic_ptr_check(void)
+{
+ lzo_bool r = 1;
+
+ COMPILE_TIME_ASSERT(sizeof(char *) >= sizeof(int));
+ COMPILE_TIME_ASSERT(sizeof(lzo_byte *) >= sizeof(char *));
+
+ COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_byte *));
+ COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_voidpp));
+ COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_bytepp));
+ COMPILE_TIME_ASSERT(sizeof(lzo_voidp) >= sizeof(lzo_uint));
+
+ COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_voidp));
+ COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_sptr_t));
+ COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) >= sizeof(lzo_uint));
+
+ COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= 4);
+ COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(ptrdiff_t));
+
+ COMPILE_TIME_ASSERT(sizeof(ptrdiff_t) >= sizeof(size_t));
+ COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(lzo_uint));
+
+#if defined(SIZEOF_CHAR_P)
+ COMPILE_TIME_ASSERT(SIZEOF_CHAR_P == sizeof(char *));
+#endif
+#if defined(SIZEOF_PTRDIFF_T)
+ COMPILE_TIME_ASSERT(SIZEOF_PTRDIFF_T == sizeof(ptrdiff_t));
+#endif
+
+ COMPILE_TIME_ASSERT(IS_SIGNED(ptrdiff_t));
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(size_t));
+ COMPILE_TIME_ASSERT(IS_SIGNED(lzo_ptrdiff_t));
+ COMPILE_TIME_ASSERT(IS_SIGNED(lzo_sptr_t));
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_ptr_t));
+ COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_moff_t));
+
+ return r;
+}
+
+static lzo_bool ptr_check(void)
+{
+ lzo_bool r = 1;
+ int i;
+ char _wrkmem[10 * sizeof(lzo_byte *) + sizeof(lzo_full_align_t)];
+ lzo_bytep wrkmem;
+ lzo_bytepp dict;
+ unsigned char x[4 * sizeof(lzo_full_align_t)];
+ long d;
+ lzo_full_align_t a;
+ lzo_full_align_t u;
+
+ for (i = 0; i < (int)sizeof(x); i++)
+ x[i] = LZO_BYTE(i);
+
+ wrkmem =
+ LZO_PTR_ALIGN_UP((lzo_byte *) _wrkmem, sizeof(lzo_full_align_t));
+
+ u.a_lzo_bytep = wrkmem;
+ dict = u.a_lzo_bytepp;
+
+ d = (long)((const lzo_bytep)dict - (const lzo_bytep)_wrkmem);
+ r &= __lzo_assert(d >= 0);
+ r &= __lzo_assert(d < (long)sizeof(lzo_full_align_t));
+
+ memset(&a, 0, sizeof(a));
+ r &= __lzo_assert(a.a_lzo_voidp == NULL);
+
+ memset(&a, 0xff, sizeof(a));
+ r &= __lzo_assert(a.a_ushort == USHRT_MAX);
+ r &= __lzo_assert(a.a_uint == UINT_MAX);
+ r &= __lzo_assert(a.a_ulong == ULONG_MAX);
+ r &= __lzo_assert(a.a_lzo_uint == LZO_UINT_MAX);
+ r &= __lzo_assert(a.a_lzo_uint32 == LZO_UINT32_MAX);
+
+ if (r == 1) {
+ for (i = 0; i < 8; i++)
+ r &= __lzo_assert((const lzo_voidp)(&dict[i]) ==
+ (const
+ lzo_voidp)(&wrkmem[i *
+ sizeof(lzo_byte
+ *)]));
+ }
+
+ memset(&a, 0, sizeof(a));
+ r &= __lzo_assert(a.a_char_p == NULL);
+ r &= __lzo_assert(a.a_lzo_bytep == NULL);
+ r &= __lzo_assert(NULL == (void *)0);
+ if (r == 1) {
+ for (i = 0; i < 10; i++)
+ dict[i] = wrkmem;
+ BZERO8_PTR(dict + 1, sizeof(dict[0]), 8);
+ r &= __lzo_assert(dict[0] == wrkmem);
+ for (i = 1; i < 9; i++)
+ r &= __lzo_assert(dict[i] == NULL);
+ r &= __lzo_assert(dict[9] == wrkmem);
+ }
+
+ if (r == 1) {
+ unsigned k = 1;
+ const unsigned n = (unsigned)sizeof(lzo_uint32);
+ lzo_byte *p0;
+ lzo_byte *p1;
+
+ k += __lzo_align_gap(&x[k], n);
+ p0 = (lzo_bytep) & x[k];
+#if defined(PTR_LINEAR)
+ r &= __lzo_assert((PTR_LINEAR(p0) & (n - 1)) == 0);
+#else
+ r &= __lzo_assert(n == 4);
+ r &= __lzo_assert(PTR_ALIGNED_4(p0));
+#endif
+
+ r &= __lzo_assert(k >= 1);
+ p1 = (lzo_bytep) & x[1];
+ r &= __lzo_assert(PTR_GE(p0, p1));
+
+ r &= __lzo_assert(k < 1 + n);
+ p1 = (lzo_bytep) & x[1 + n];
+ r &= __lzo_assert(PTR_LT(p0, p1));
+
+ if (r == 1) {
+ lzo_uint32 v0, v1;
+
+ u.a_uchar_p = &x[k];
+ v0 = *u.a_lzo_uint32_p;
+ u.a_uchar_p = &x[k + n];
+ v1 = *u.a_lzo_uint32_p;
+
+ r &= __lzo_assert(v0 > 0);
+ r &= __lzo_assert(v1 > 0);
+ }
+ }
+
+ return r;
+}
+
+static int _lzo_config_check(void)
+{
+ lzo_bool r = 1;
+ int i;
+ union {
+ lzo_uint32 a;
+ unsigned short b;
+ lzo_uint32 aa[4];
+ unsigned char x[4 * sizeof(lzo_full_align_t)];
+ }
+ u;
+
+ COMPILE_TIME_ASSERT((int)((unsigned char)((signed char)-1)) == 255);
+ COMPILE_TIME_ASSERT((((unsigned char)128) << (int)(8 * sizeof(int) - 8))
+ < 0);
+
+ r &= basic_integral_check();
+ r &= basic_ptr_check();
+ if (r != 1)
+ return LZO_E_ERROR;
+
+ u.a = 0;
+ u.b = 0;
+ for (i = 0; i < (int)sizeof(u.x); i++)
+ u.x[i] = LZO_BYTE(i);
+
+#if defined(LZO_BYTE_ORDER)
+ if (r == 1) {
+# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN)
+ lzo_uint32 a = (lzo_uint32) (u.a & LZO_0xffffffffL);
+ unsigned short b = (unsigned short)(u.b & 0xffff);
+ r &= __lzo_assert(a == 0x03020100L);
+ r &= __lzo_assert(b == 0x0100);
+# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN)
+ lzo_uint32 a = u.a >> (8 * sizeof(u.a) - 32);
+ unsigned short b = u.b >> (8 * sizeof(u.b) - 16);
+ r &= __lzo_assert(a == 0x00010203L);
+ r &= __lzo_assert(b == 0x0001);
+# else
+# error "invalid LZO_BYTE_ORDER"
+# endif
+ }
+#endif
+
+#if defined(LZO_UNALIGNED_OK_2)
+ COMPILE_TIME_ASSERT(sizeof(short) == 2);
+ if (r == 1) {
+ unsigned short b[4];
+
+ for (i = 0; i < 4; i++)
+ b[i] = *(const unsigned short *)&u.x[i];
+
+# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN)
+ r &= __lzo_assert(b[0] == 0x0100);
+ r &= __lzo_assert(b[1] == 0x0201);
+ r &= __lzo_assert(b[2] == 0x0302);
+ r &= __lzo_assert(b[3] == 0x0403);
+# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN)
+ r &= __lzo_assert(b[0] == 0x0001);
+ r &= __lzo_assert(b[1] == 0x0102);
+ r &= __lzo_assert(b[2] == 0x0203);
+ r &= __lzo_assert(b[3] == 0x0304);
+# endif
+ }
+#endif
+
+#if defined(LZO_UNALIGNED_OK_4)
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4);
+ if (r == 1) {
+ lzo_uint32 a[4];
+
+ for (i = 0; i < 4; i++)
+ a[i] = *(const lzo_uint32 *)&u.x[i];
+
+# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN)
+ r &= __lzo_assert(a[0] == 0x03020100L);
+ r &= __lzo_assert(a[1] == 0x04030201L);
+ r &= __lzo_assert(a[2] == 0x05040302L);
+ r &= __lzo_assert(a[3] == 0x06050403L);
+# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN)
+ r &= __lzo_assert(a[0] == 0x00010203L);
+ r &= __lzo_assert(a[1] == 0x01020304L);
+ r &= __lzo_assert(a[2] == 0x02030405L);
+ r &= __lzo_assert(a[3] == 0x03040506L);
+# endif
+ }
+#endif
+
+#if defined(LZO_ALIGNED_OK_4)
+ COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4);
+#endif
+
+ COMPILE_TIME_ASSERT(lzo_sizeof_dict_t == sizeof(lzo_dict_t));
+
+ if (r == 1) {
+ r &= __lzo_assert(!schedule_insns_bug());
+ }
+
+ if (r == 1) {
+ static int x[3];
+ static unsigned xn = 3;
+ register unsigned j;
+
+ for (j = 0; j < xn; j++)
+ x[j] = (int)j - 3;
+ r &= __lzo_assert(!strength_reduce_bug(x));
+ }
+
+ if (r == 1) {
+ r &= ptr_check();
+ }
+
+ return r == 1 ? LZO_E_OK : LZO_E_ERROR;
+}
+
+static lzo_bool schedule_insns_bug(void)
+{
+#if defined(__LZO_CHECKER)
+ return 0;
+#else
+ const int clone[] = { 1, 2, 0 };
+ const int *q;
+ q = clone;
+ return (*q) ? 0 : 1;
+#endif
+}
+
+static lzo_bool strength_reduce_bug(int *x)
+{
+ return x[0] != -3 || x[1] != -2 || x[2] != -1;
+}
+
+#undef COMPILE_TIME_ASSERT
+
+LZO_PUBLIC(int)
+ __lzo_init2(unsigned v, int s1, int s2, int s3, int s4, int s5,
+ int s6, int s7, int s8, int s9)
+{
+ int r;
+
+ if (v == 0)
+ return LZO_E_ERROR;
+
+ r = (s1 == -1 || s1 == (int)sizeof(short)) &&
+ (s2 == -1 || s2 == (int)sizeof(int)) &&
+ (s3 == -1 || s3 == (int)sizeof(long)) &&
+ (s4 == -1 || s4 == (int)sizeof(lzo_uint32)) &&
+ (s5 == -1 || s5 == (int)sizeof(lzo_uint)) &&
+ (s6 == -1 || s6 == (int)lzo_sizeof_dict_t) &&
+ (s7 == -1 || s7 == (int)sizeof(char *)) &&
+ (s8 == -1 || s8 == (int)sizeof(lzo_voidp)) &&
+ (s9 == -1 || s9 == (int)sizeof(lzo_compress_t));
+ if (!r)
+ return LZO_E_ERROR;
+
+ r = _lzo_config_check();
+ if (r != LZO_E_OK)
+ return r;
+
+ return r;
+}
+
+#if !defined(__LZO_IN_MINILZO)
+
+LZO_EXTERN(int)
+ __lzo_init(unsigned v, int s1, int s2, int s3, int s4, int s5, int s6, int s7);
+
+LZO_PUBLIC(int)
+__lzo_init(unsigned v, int s1, int s2, int s3, int s4, int s5, int s6, int s7)
+{
+ if (v == 0 || v > 0x1010)
+ return LZO_E_ERROR;
+ return __lzo_init2(v, s1, s2, s3, s4, s5, -1, -1, s6, s7);
+}
+
+#endif
+
+#define do_compress _lzo1x_1_do_compress
+
+#define LZO_NEED_DICT_H
+#define D_BITS 14
+#define D_INDEX1(d,p) d = DM((0x21*DX3(p,5,5,6)) >> 5)
+#define D_INDEX2(d,p) d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f)
+
+#ifndef __LZO_CONFIG1X_H
+#define __LZO_CONFIG1X_H
+
+#if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z)
+# define LZO1X
+#endif
+
+#if !defined(__LZO_IN_MINILZO)
+#include <lzo1x.h>
+#endif
+
+#define LZO_EOF_CODE
+#undef LZO_DETERMINISTIC
+
+#define M1_MAX_OFFSET 0x0400
+#ifndef M2_MAX_OFFSET
+#define M2_MAX_OFFSET 0x0800
+#endif
+#define M3_MAX_OFFSET 0x4000
+#define M4_MAX_OFFSET 0xbfff
+
+#define MX_MAX_OFFSET (M1_MAX_OFFSET + M2_MAX_OFFSET)
+
+#define M1_MIN_LEN 2
+#define M1_MAX_LEN 2
+#define M2_MIN_LEN 3
+#ifndef M2_MAX_LEN
+#define M2_MAX_LEN 8
+#endif
+#define M3_MIN_LEN 3
+#define M3_MAX_LEN 33
+#define M4_MIN_LEN 3
+#define M4_MAX_LEN 9
+
+#define M1_MARKER 0
+#define M2_MARKER 64
+#define M3_MARKER 32
+#define M4_MARKER 16
+
+#ifndef MIN_LOOKAHEAD
+#define MIN_LOOKAHEAD (M2_MAX_LEN + 1)
+#endif
+
+#if defined(LZO_NEED_DICT_H)
+
+#ifndef LZO_HASH
+#define LZO_HASH LZO_HASH_LZO_INCREMENTAL_B
+#endif
+#define DL_MIN_LEN M2_MIN_LEN
+
+#ifndef __LZO_DICT_H
+#define __LZO_DICT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(D_BITS) && defined(DBITS)
+# define D_BITS DBITS
+#endif
+#if !defined(D_BITS)
+# error "D_BITS is not defined"
+#endif
+#if (D_BITS < 16)
+# define D_SIZE LZO_SIZE(D_BITS)
+# define D_MASK LZO_MASK(D_BITS)
+#else
+# define D_SIZE LZO_USIZE(D_BITS)
+# define D_MASK LZO_UMASK(D_BITS)
+#endif
+#define D_HIGH ((D_MASK >> 1) + 1)
+
+#if !defined(DD_BITS)
+# define DD_BITS 0
+#endif
+#define DD_SIZE LZO_SIZE(DD_BITS)
+#define DD_MASK LZO_MASK(DD_BITS)
+
+#if !defined(DL_BITS)
+# define DL_BITS (D_BITS - DD_BITS)
+#endif
+#if (DL_BITS < 16)
+# define DL_SIZE LZO_SIZE(DL_BITS)
+# define DL_MASK LZO_MASK(DL_BITS)
+#else
+# define DL_SIZE LZO_USIZE(DL_BITS)
+# define DL_MASK LZO_UMASK(DL_BITS)
+#endif
+
+#if (D_BITS != DL_BITS + DD_BITS)
+# error "D_BITS does not match"
+#endif
+#if (D_BITS < 8 || D_BITS > 18)
+# error "invalid D_BITS"
+#endif
+#if (DL_BITS < 8 || DL_BITS > 20)
+# error "invalid DL_BITS"
+#endif
+#if (DD_BITS < 0 || DD_BITS > 6)
+# error "invalid DD_BITS"
+#endif
+
+#if !defined(DL_MIN_LEN)
+# define DL_MIN_LEN 3
+#endif
+#if !defined(DL_SHIFT)
+# define DL_SHIFT ((DL_BITS + (DL_MIN_LEN - 1)) / DL_MIN_LEN)
+#endif
+
+#define LZO_HASH_GZIP 1
+#define LZO_HASH_GZIP_INCREMENTAL 2
+#define LZO_HASH_LZO_INCREMENTAL_A 3
+#define LZO_HASH_LZO_INCREMENTAL_B 4
+
+#if !defined(LZO_HASH)
+# error "choose a hashing strategy"
+#endif
+
+#if (DL_MIN_LEN == 3)
+# define _DV2_A(p,shift1,shift2) \
+ (((( (lzo_uint32)((p)[0]) << shift1) ^ (p)[1]) << shift2) ^ (p)[2])
+# define _DV2_B(p,shift1,shift2) \
+ (((( (lzo_uint32)((p)[2]) << shift1) ^ (p)[1]) << shift2) ^ (p)[0])
+# define _DV3_B(p,shift1,shift2,shift3) \
+ ((_DV2_B((p)+1,shift1,shift2) << (shift3)) ^ (p)[0])
+#elif (DL_MIN_LEN == 2)
+# define _DV2_A(p,shift1,shift2) \
+ (( (lzo_uint32)(p[0]) << shift1) ^ p[1])
+# define _DV2_B(p,shift1,shift2) \
+ (( (lzo_uint32)(p[1]) << shift1) ^ p[2])
+#else
+# error "invalid DL_MIN_LEN"
+#endif
+#define _DV_A(p,shift) _DV2_A(p,shift,shift)
+#define _DV_B(p,shift) _DV2_B(p,shift,shift)
+#define DA2(p,s1,s2) \
+ (((((lzo_uint32)((p)[2]) << (s2)) + (p)[1]) << (s1)) + (p)[0])
+#define DS2(p,s1,s2) \
+ (((((lzo_uint32)((p)[2]) << (s2)) - (p)[1]) << (s1)) - (p)[0])
+#define DX2(p,s1,s2) \
+ (((((lzo_uint32)((p)[2]) << (s2)) ^ (p)[1]) << (s1)) ^ (p)[0])
+#define DA3(p,s1,s2,s3) ((DA2((p)+1,s2,s3) << (s1)) + (p)[0])
+#define DS3(p,s1,s2,s3) ((DS2((p)+1,s2,s3) << (s1)) - (p)[0])
+#define DX3(p,s1,s2,s3) ((DX2((p)+1,s2,s3) << (s1)) ^ (p)[0])
+#define DMS(v,s) ((lzo_uint) (((v) & (D_MASK >> (s))) << (s)))
+#define DM(v) DMS(v,0)
+
+#if (LZO_HASH == LZO_HASH_GZIP)
+# define _DINDEX(dv,p) (_DV_A((p),DL_SHIFT))
+
+#elif (LZO_HASH == LZO_HASH_GZIP_INCREMENTAL)
+# define __LZO_HASH_INCREMENTAL
+# define DVAL_FIRST(dv,p) dv = _DV_A((p),DL_SHIFT)
+# define DVAL_NEXT(dv,p) dv = (((dv) << DL_SHIFT) ^ p[2])
+# define _DINDEX(dv,p) (dv)
+# define DVAL_LOOKAHEAD DL_MIN_LEN
+
+#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_A)
+# define __LZO_HASH_INCREMENTAL
+# define DVAL_FIRST(dv,p) dv = _DV_A((p),5)
+# define DVAL_NEXT(dv,p) \
+ dv ^= (lzo_uint32)(p[-1]) << (2*5); dv = (((dv) << 5) ^ p[2])
+# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5)
+# define DVAL_LOOKAHEAD DL_MIN_LEN
+
+#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_B)
+# define __LZO_HASH_INCREMENTAL
+# define DVAL_FIRST(dv,p) dv = _DV_B((p),5)
+# define DVAL_NEXT(dv,p) \
+ dv ^= p[-1]; dv = (((dv) >> 5) ^ ((lzo_uint32)(p[2]) << (2*5)))
+# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5)
+# define DVAL_LOOKAHEAD DL_MIN_LEN
+
+#else
+# error "choose a hashing strategy"
+#endif
+
+#ifndef DINDEX
+#define DINDEX(dv,p) ((lzo_uint)((_DINDEX(dv,p)) & DL_MASK) << DD_BITS)
+#endif
+#if !defined(DINDEX1) && defined(D_INDEX1)
+#define DINDEX1 D_INDEX1
+#endif
+#if !defined(DINDEX2) && defined(D_INDEX2)
+#define DINDEX2 D_INDEX2
+#endif
+
+#if !defined(__LZO_HASH_INCREMENTAL)
+# define DVAL_FIRST(dv,p) ((void) 0)
+# define DVAL_NEXT(dv,p) ((void) 0)
+# define DVAL_LOOKAHEAD 0
+#endif
+
+#if !defined(DVAL_ASSERT)
+#if defined(__LZO_HASH_INCREMENTAL) && !defined(NDEBUG)
+ static void DVAL_ASSERT(lzo_uint32 dv, const lzo_byte * p) {
+ lzo_uint32 df;
+ DVAL_FIRST(df, (p));
+ assert(DINDEX(dv, p) == DINDEX(df, p));
+ }
+#else
+# define DVAL_ASSERT(dv,p) ((void) 0)
+#endif
+#endif
+
+#if defined(LZO_DICT_USE_PTR)
+# define DENTRY(p,in) (p)
+# define GINDEX(m_pos,m_off,dict,dindex,in) m_pos = dict[dindex]
+#else
+# define DENTRY(p,in) ((lzo_uint) ((p)-(in)))
+# define GINDEX(m_pos,m_off,dict,dindex,in) m_off = dict[dindex]
+#endif
+
+#if (DD_BITS == 0)
+
+# define UPDATE_D(dict,drun,dv,p,in) dict[ DINDEX(dv,p) ] = DENTRY(p,in)
+# define UPDATE_I(dict,drun,index,p,in) dict[index] = DENTRY(p,in)
+# define UPDATE_P(ptr,drun,p,in) (ptr)[0] = DENTRY(p,in)
+
+#else
+
+# define UPDATE_D(dict,drun,dv,p,in) \
+ dict[ DINDEX(dv,p) + drun++ ] = DENTRY(p,in); drun &= DD_MASK
+# define UPDATE_I(dict,drun,index,p,in) \
+ dict[ (index) + drun++ ] = DENTRY(p,in); drun &= DD_MASK
+# define UPDATE_P(ptr,drun,p,in) \
+ (ptr) [ drun++ ] = DENTRY(p,in); drun &= DD_MASK
+
+#endif
+
+#if defined(LZO_DICT_USE_PTR)
+
+#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \
+ (m_pos == NULL || (m_off = (lzo_moff_t) (ip - m_pos)) > max_offset)
+
+#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \
+ (BOUNDS_CHECKING_OFF_IN_EXPR( \
+ (PTR_LT(m_pos,in) || \
+ (m_off = (lzo_moff_t) PTR_DIFF(ip,m_pos)) <= 0 || \
+ m_off > max_offset) ))
+
+#else
+
+#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \
+ (m_off == 0 || \
+ ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \
+ (m_pos = (ip) - (m_off), 0) )
+
+#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \
+ ((lzo_moff_t) ((ip)-(in)) <= m_off || \
+ ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \
+ (m_pos = (ip) - (m_off), 0) )
+
+#endif
+
+#if defined(LZO_DETERMINISTIC)
+# define LZO_CHECK_MPOS LZO_CHECK_MPOS_DET
+#else
+# define LZO_CHECK_MPOS LZO_CHECK_MPOS_NON_DET
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+#endif
+#endif
+#define DO_COMPRESS lzo1x_1_compress
+static
+lzo_uint do_compress(const lzo_byte * in, lzo_uint in_len,
+ lzo_byte * out, lzo_uintp out_len, lzo_voidp wrkmem)
+{
+ register const lzo_byte *ip;
+ lzo_byte *op;
+ const lzo_byte *const in_end = in + in_len;
+ const lzo_byte *const ip_end = in + in_len - M2_MAX_LEN - 5;
+ const lzo_byte *ii;
+ lzo_dict_p const dict = (lzo_dict_p) wrkmem;
+
+ op = out;
+ ip = in;
+ ii = ip;
+
+ ip += 4;
+ for (;;) {
+ register const lzo_byte *m_pos;
+
+ lzo_moff_t m_off;
+ lzo_uint m_len;
+ lzo_uint dindex;
+
+ DINDEX1(dindex, ip);
+ GINDEX(m_pos, m_off, dict, dindex, in);
+ if (LZO_CHECK_MPOS_NON_DET(m_pos, m_off, in, ip, M4_MAX_OFFSET))
+ goto literal;
+#if 1
+ if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3])
+ goto try_match;
+ DINDEX2(dindex, ip);
+#endif
+ GINDEX(m_pos, m_off, dict, dindex, in);
+ if (LZO_CHECK_MPOS_NON_DET(m_pos, m_off, in, ip, M4_MAX_OFFSET))
+ goto literal;
+ if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3])
+ goto try_match;
+ goto literal;
+
+ try_match:
+#if 1 && defined(LZO_UNALIGNED_OK_2)
+ if (*(const lzo_ushortp)m_pos != *(const lzo_ushortp)ip) {
+#else
+ if (m_pos[0] != ip[0] || m_pos[1] != ip[1]) {
+#endif
+ ;
+ } else {
+ if (m_pos[2] == ip[2]) {
+ goto match;
+ } else {
+ ;
+ }
+ }
+
+ literal:
+ UPDATE_I(dict, 0, dindex, ip, in);
+ ++ip;
+ if (ip >= ip_end)
+ break;
+ continue;
+
+ match:
+ UPDATE_I(dict, 0, dindex, ip, in);
+ if (pd(ip, ii) > 0) {
+ register lzo_uint t = pd(ip, ii);
+
+ if (t <= 3) {
+ assert("lzo-04", op - 2 > out);
+ op[-2] |= LZO_BYTE(t);
+ } else if (t <= 18)
+ *op++ = LZO_BYTE(t - 3);
+ else {
+ register lzo_uint tt = t - 18;
+
+ *op++ = 0;
+ while (tt > 255) {
+ tt -= 255;
+ *op++ = 0;
+ }
+ assert("lzo-05", tt > 0);
+ *op++ = LZO_BYTE(tt);
+ }
+ do
+ *op++ = *ii++;
+ while (--t > 0);
+ }
+
+ assert("lzo-06", ii == ip);
+ ip += 3;
+ if (m_pos[3] != *ip++ || m_pos[4] != *ip++ || m_pos[5] != *ip++
+ || m_pos[6] != *ip++ || m_pos[7] != *ip++
+ || m_pos[8] != *ip++
+#ifdef LZO1Y
+ || m_pos[9] != *ip++ || m_pos[10] != *ip++
+ || m_pos[11] != *ip++ || m_pos[12] != *ip++
+ || m_pos[13] != *ip++ || m_pos[14] != *ip++
+#endif
+ ) {
+ --ip;
+ m_len = ip - ii;
+ assert("lzo-07", m_len >= 3);
+ assert("lzo-08", m_len <= M2_MAX_LEN);
+
+ if (m_off <= M2_MAX_OFFSET) {
+ m_off -= 1;
+#if defined(LZO1X)
+ *op++ =
+ LZO_BYTE(((m_len -
+ 1) << 5) | ((m_off & 7) << 2));
+ *op++ = LZO_BYTE(m_off >> 3);
+#elif defined(LZO1Y)
+ *op++ =
+ LZO_BYTE(((m_len +
+ 1) << 4) | ((m_off & 3) << 2));
+ *op++ = LZO_BYTE(m_off >> 2);
+#endif
+ } else if (m_off <= M3_MAX_OFFSET) {
+ m_off -= 1;
+ *op++ = LZO_BYTE(M3_MARKER | (m_len - 2));
+ goto m3_m4_offset;
+ } else
+#if defined(LZO1X)
+ {
+ m_off -= 0x4000;
+ assert("lzo-09", m_off > 0);
+ assert("lzo-10", m_off <= 0x7fff);
+ *op++ = LZO_BYTE(M4_MARKER |
+ ((m_off & 0x4000) >> 11) |
+ (m_len - 2));
+ goto m3_m4_offset;
+ }
+#elif defined(LZO1Y)
+ goto m4_match;
+#endif
+ } else {
+ {
+ const lzo_byte *end = in_end;
+ const lzo_byte *m = m_pos + M2_MAX_LEN + 1;
+ while (ip < end && *m == *ip)
+ m++, ip++;
+ m_len = (ip - ii);
+ }
+ assert("lzo-11", m_len > M2_MAX_LEN);
+
+ if (m_off <= M3_MAX_OFFSET) {
+ m_off -= 1;
+ if (m_len <= 33)
+ *op++ =
+ LZO_BYTE(M3_MARKER | (m_len - 2));
+ else {
+ m_len -= 33;
+ *op++ = M3_MARKER | 0;
+ goto m3_m4_len;
+ }
+ } else {
+#if defined(LZO1Y)
+ m4_match:
+#endif
+ m_off -= 0x4000;
+ assert("lzo-12", m_off > 0);
+ assert("lzo-13", m_off <= 0x7fff);
+ if (m_len <= M4_MAX_LEN)
+ *op++ = LZO_BYTE(M4_MARKER |
+ ((m_off & 0x4000) >>
+ 11) | (m_len - 2));
+ else {
+ m_len -= M4_MAX_LEN;
+ *op++ =
+ LZO_BYTE(M4_MARKER |
+ ((m_off & 0x4000) >> 11));
+ m3_m4_len:
+ while (m_len > 255) {
+ m_len -= 255;
+ *op++ = 0;
+ }
+ assert("lzo-14", m_len > 0);
+ *op++ = LZO_BYTE(m_len);
+ }
+ }
+
+ m3_m4_offset:
+ *op++ = LZO_BYTE((m_off & 63) << 2);
+ *op++ = LZO_BYTE(m_off >> 6);
+ }
+
+ ii = ip;
+ if (ip >= ip_end)
+ break;
+ }
+
+ *out_len = op - out;
+ return pd(in_end, ii);
+}
+
+LZO_PUBLIC(int)
+ DO_COMPRESS(const lzo_byte * in, lzo_uint in_len,
+ lzo_byte * out, lzo_uintp out_len, lzo_voidp wrkmem)
+{
+ lzo_byte *op = out;
+ lzo_uint t;
+
+#if defined(__LZO_QUERY_COMPRESS)
+ if (__LZO_IS_COMPRESS_QUERY(in, in_len, out, out_len, wrkmem))
+ return __LZO_QUERY_COMPRESS(in, in_len, out, out_len, wrkmem,
+ D_SIZE, lzo_sizeof(lzo_dict_t));
+#endif
+
+ if (in_len <= M2_MAX_LEN + 5)
+ t = in_len;
+ else {
+ t = do_compress(in, in_len, op, out_len, wrkmem);
+ op += *out_len;
+ }
+
+ if (t > 0) {
+ const lzo_byte *ii = in + in_len - t;
+
+ if (op == out && t <= 238)
+ *op++ = LZO_BYTE(17 + t);
+ else if (t <= 3)
+ op[-2] |= LZO_BYTE(t);
+ else if (t <= 18)
+ *op++ = LZO_BYTE(t - 3);
+ else {
+ lzo_uint tt = t - 18;
+
+ *op++ = 0;
+ while (tt > 255) {
+ tt -= 255;
+ *op++ = 0;
+ }
+ assert("lzo-15", tt > 0);
+ *op++ = LZO_BYTE(tt);
+ }
+ do
+ *op++ = *ii++;
+ while (--t > 0);
+ }
+
+ *op++ = M4_MARKER | 1;
+ *op++ = 0;
+ *op++ = 0;
+
+ *out_len = op - out;
+ return LZO_E_OK;
+}
+
+#undef do_compress
+#undef DO_COMPRESS
+#undef LZO_HASH
+
+#undef LZO_TEST_DECOMPRESS_OVERRUN
+#undef LZO_TEST_DECOMPRESS_OVERRUN_INPUT
+#undef LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT
+#undef LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND
+#undef DO_DECOMPRESS
+#define DO_DECOMPRESS lzo1x_decompress
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN)
+# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT)
+# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2
+# endif
+# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT)
+# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2
+# endif
+# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND)
+# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND
+# endif
+#endif
+
+#undef TEST_IP
+#undef TEST_OP
+#undef TEST_LOOKBEHIND
+#undef NEED_IP
+#undef NEED_OP
+#undef HAVE_TEST_IP
+#undef HAVE_TEST_OP
+#undef HAVE_NEED_IP
+#undef HAVE_NEED_OP
+#undef HAVE_ANY_IP
+#undef HAVE_ANY_OP
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT)
+# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1)
+# define TEST_IP (ip < ip_end)
+# endif
+# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2)
+# define NEED_IP(x) \
+ if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun
+# endif
+#endif
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT)
+# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1)
+# define TEST_OP (op <= op_end)
+# endif
+# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2)
+# undef TEST_OP
+# define NEED_OP(x) \
+ if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun
+# endif
+#endif
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND)
+# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun
+#else
+# define TEST_LOOKBEHIND(m_pos,op) ((void) 0)
+#endif
+
+#if !defined(LZO_EOF_CODE) && !defined(TEST_IP)
+# define TEST_IP (ip < ip_end)
+#endif
+
+#if defined(TEST_IP)
+# define HAVE_TEST_IP
+#else
+# define TEST_IP 1
+#endif
+#if defined(TEST_OP)
+# define HAVE_TEST_OP
+#else
+# define TEST_OP 1
+#endif
+
+#if defined(NEED_IP)
+# define HAVE_NEED_IP
+#else
+# define NEED_IP(x) ((void) 0)
+#endif
+#if defined(NEED_OP)
+# define HAVE_NEED_OP
+#else
+# define NEED_OP(x) ((void) 0)
+#endif
+
+#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP)
+# define HAVE_ANY_IP
+#endif
+#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP)
+# define HAVE_ANY_OP
+#endif
+
+#undef __COPY4
+#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src)
+
+#undef COPY4
+#if defined(LZO_UNALIGNED_OK_4)
+# define COPY4(dst,src) __COPY4(dst,src)
+#elif defined(LZO_ALIGNED_OK_4)
+# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src))
+#endif
+
+#if defined(DO_DECOMPRESS)
+LZO_PUBLIC(int)
+ DO_DECOMPRESS(const lzo_byte * in, lzo_uint in_len,
+ lzo_byte * out, lzo_uintp out_len, lzo_voidp wrkmem)
+#endif
+{
+ register lzo_byte *op;
+ register const lzo_byte *ip;
+ register lzo_uint t;
+#if defined(COPY_DICT)
+ lzo_uint m_off;
+ const lzo_byte *dict_end;
+#else
+ register const lzo_byte *m_pos;
+#endif
+
+ const lzo_byte *const ip_end = in + in_len;
+#if defined(HAVE_ANY_OP)
+ lzo_byte *const op_end = out + *out_len;
+#endif
+#if defined(LZO1Z)
+ lzo_uint last_m_off = 0;
+#endif
+
+ LZO_UNUSED(wrkmem);
+
+#if defined(__LZO_QUERY_DECOMPRESS)
+ if (__LZO_IS_DECOMPRESS_QUERY(in, in_len, out, out_len, wrkmem))
+ return __LZO_QUERY_DECOMPRESS(in, in_len, out, out_len, wrkmem,
+ 0, 0);
+#endif
+
+#if defined(COPY_DICT)
+ if (dict) {
+ if (dict_len > M4_MAX_OFFSET) {
+ dict += dict_len - M4_MAX_OFFSET;
+ dict_len = M4_MAX_OFFSET;
+ }
+ dict_end = dict + dict_len;
+ } else {
+ dict_len = 0;
+ dict_end = NULL;
+ }
+#endif
+
+ *out_len = 0;
+
+ op = out;
+ ip = in;
+
+ if (*ip > 17) {
+ t = *ip++ - 17;
+ if (t < 4)
+ goto match_next;
+ assert("lzo-16", t > 0);
+ NEED_OP(t);
+ NEED_IP(t + 1);
+ do
+ *op++ = *ip++;
+ while (--t > 0);
+ goto first_literal_run;
+ }
+
+ while (TEST_IP && TEST_OP) {
+ t = *ip++;
+ if (t >= 16)
+ goto match;
+ if (t == 0) {
+ NEED_IP(1);
+ while (*ip == 0) {
+ t += 255;
+ ip++;
+ NEED_IP(1);
+ }
+ t += 15 + *ip++;
+ }
+ assert("lzo-17", t > 0);
+ NEED_OP(t + 3);
+ NEED_IP(t + 4);
+#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4)
+#if !defined(LZO_UNALIGNED_OK_4)
+ if (PTR_ALIGNED2_4(op, ip)) {
+#endif
+ COPY4(op, ip);
+ op += 4;
+ ip += 4;
+ if (--t > 0) {
+ if (t >= 4) {
+ do {
+ COPY4(op, ip);
+ op += 4;
+ ip += 4;
+ t -= 4;
+ } while (t >= 4);
+ if (t > 0)
+ do
+ *op++ = *ip++;
+ while (--t > 0);
+ } else
+ do
+ *op++ = *ip++;
+ while (--t > 0);
+ }
+#if !defined(LZO_UNALIGNED_OK_4)
+ } else
+#endif
+#endif
+#if !defined(LZO_UNALIGNED_OK_4)
+ {
+ *op++ = *ip++;
+ *op++ = *ip++;
+ *op++ = *ip++;
+ do
+ *op++ = *ip++;
+ while (--t > 0);
+ }
+#endif
+
+ first_literal_run:
+
+ t = *ip++;
+ if (t >= 16)
+ goto match;
+#if defined(COPY_DICT)
+#if defined(LZO1Z)
+ m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2);
+ last_m_off = m_off;
+#else
+ m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2);
+#endif
+ NEED_OP(3);
+ t = 3;
+ COPY_DICT(t, m_off)
+#else
+#if defined(LZO1Z)
+ t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2);
+ m_pos = op - t;
+ last_m_off = t;
+#else
+ m_pos = op - (1 + M2_MAX_OFFSET);
+ m_pos -= t >> 2;
+ m_pos -= *ip++ << 2;
+#endif
+ TEST_LOOKBEHIND(m_pos, out);
+ NEED_OP(3);
+ *op++ = *m_pos++;
+ *op++ = *m_pos++;
+ *op++ = *m_pos;
+#endif
+ goto match_done;
+
+ while (TEST_IP && TEST_OP) {
+ match:
+ if (t >= 64) {
+#if defined(COPY_DICT)
+#if defined(LZO1X)
+ m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3);
+ t = (t >> 5) - 1;
+#elif defined(LZO1Y)
+ m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2);
+ t = (t >> 4) - 3;
+#elif defined(LZO1Z)
+ m_off = t & 0x1f;
+ if (m_off >= 0x1c)
+ m_off = last_m_off;
+ else {
+ m_off = 1 + (m_off << 6) + (*ip++ >> 2);
+ last_m_off = m_off;
+ }
+ t = (t >> 5) - 1;
+#endif
+#else
+#if defined(LZO1X)
+ m_pos = op - 1;
+ m_pos -= (t >> 2) & 7;
+ m_pos -= *ip++ << 3;
+ t = (t >> 5) - 1;
+#elif defined(LZO1Y)
+ m_pos = op - 1;
+ m_pos -= (t >> 2) & 3;
+ m_pos -= *ip++ << 2;
+ t = (t >> 4) - 3;
+#elif defined(LZO1Z)
+ {
+ lzo_uint off = t & 0x1f;
+ m_pos = op;
+ if (off >= 0x1c) {
+ assert(last_m_off > 0);
+ m_pos -= last_m_off;
+ } else {
+ off =
+ 1 + (off << 6) +
+ (*ip++ >> 2);
+ m_pos -= off;
+ last_m_off = off;
+ }
+ }
+ t = (t >> 5) - 1;
+#endif
+ TEST_LOOKBEHIND(m_pos, out);
+ assert("lzo-18", t > 0);
+ NEED_OP(t + 3 - 1);
+ goto copy_match;
+#endif
+ } else if (t >= 32) {
+ t &= 31;
+ if (t == 0) {
+ NEED_IP(1);
+ while (*ip == 0) {
+ t += 255;
+ ip++;
+ NEED_IP(1);
+ }
+ t += 31 + *ip++;
+ }
+#if defined(COPY_DICT)
+#if defined(LZO1Z)
+ m_off = 1 + (ip[0] << 6) + (ip[1] >> 2);
+ last_m_off = m_off;
+#else
+ m_off = 1 + (ip[0] >> 2) + (ip[1] << 6);
+#endif
+#else
+#if defined(LZO1Z)
+ {
+ lzo_uint off =
+ 1 + (ip[0] << 6) + (ip[1] >> 2);
+ m_pos = op - off;
+ last_m_off = off;
+ }
+#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN)
+ m_pos = op - 1;
+ m_pos -= (*(const lzo_ushortp)ip) >> 2;
+#else
+ m_pos = op - 1;
+ m_pos -= (ip[0] >> 2) + (ip[1] << 6);
+#endif
+#endif
+ ip += 2;
+ } else if (t >= 16) {
+#if defined(COPY_DICT)
+ m_off = (t & 8) << 11;
+#else
+ m_pos = op;
+ m_pos -= (t & 8) << 11;
+#endif
+ t &= 7;
+ if (t == 0) {
+ NEED_IP(1);
+ while (*ip == 0) {
+ t += 255;
+ ip++;
+ NEED_IP(1);
+ }
+ t += 7 + *ip++;
+ }
+#if defined(COPY_DICT)
+#if defined(LZO1Z)
+ m_off += (ip[0] << 6) + (ip[1] >> 2);
+#else
+ m_off += (ip[0] >> 2) + (ip[1] << 6);
+#endif
+ ip += 2;
+ if (m_off == 0)
+ goto eof_found;
+ m_off += 0x4000;
+#if defined(LZO1Z)
+ last_m_off = m_off;
+#endif
+#else
+#if defined(LZO1Z)
+ m_pos -= (ip[0] << 6) + (ip[1] >> 2);
+#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN)
+ m_pos -= (*(const lzo_ushortp)ip) >> 2;
+#else
+ m_pos -= (ip[0] >> 2) + (ip[1] << 6);
+#endif
+ ip += 2;
+ if (m_pos == op)
+ goto eof_found;
+ m_pos -= 0x4000;
+#if defined(LZO1Z)
+ last_m_off = op - m_pos;
+#endif
+#endif
+ } else {
+#if defined(COPY_DICT)
+#if defined(LZO1Z)
+ m_off = 1 + (t << 6) + (*ip++ >> 2);
+ last_m_off = m_off;
+#else
+ m_off = 1 + (t >> 2) + (*ip++ << 2);
+#endif
+ NEED_OP(2);
+ t = 2;
+ COPY_DICT(t, m_off)
+#else
+#if defined(LZO1Z)
+ t = 1 + (t << 6) + (*ip++ >> 2);
+ m_pos = op - t;
+ last_m_off = t;
+#else
+ m_pos = op - 1;
+ m_pos -= t >> 2;
+ m_pos -= *ip++ << 2;
+#endif
+ TEST_LOOKBEHIND(m_pos, out);
+ NEED_OP(2);
+ *op++ = *m_pos++;
+ *op++ = *m_pos;
+#endif
+ goto match_done;
+ }
+
+#if defined(COPY_DICT)
+
+ NEED_OP(t + 3 - 1);
+ t += 3 - 1;
+ COPY_DICT(t, m_off)
+#else
+
+ TEST_LOOKBEHIND(m_pos, out);
+ assert("lzo-19", t > 0);
+ NEED_OP(t + 3 - 1);
+#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4)
+#if !defined(LZO_UNALIGNED_OK_4)
+ if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op, m_pos)) {
+ assert((op - m_pos) >= 4);
+#else
+ if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) {
+#endif
+ COPY4(op, m_pos);
+ op += 4;
+ m_pos += 4;
+ t -= 4 - (3 - 1);
+ do {
+ COPY4(op, m_pos);
+ op += 4;
+ m_pos += 4;
+ t -= 4;
+ } while (t >= 4);
+ if (t > 0)
+ do
+ *op++ = *m_pos++;
+ while (--t > 0);
+ } else
+#endif
+ {
+ copy_match:
+ *op++ = *m_pos++;
+ *op++ = *m_pos++;
+ do
+ *op++ = *m_pos++;
+ while (--t > 0);
+ }
+
+#endif
+
+ match_done:
+#if defined(LZO1Z)
+ t = ip[-1] & 3;
+#else
+ t = ip[-2] & 3;
+#endif
+ if (t == 0)
+ break;
+
+ match_next:
+ assert("lzo-20", t > 0);
+ NEED_OP(t);
+ NEED_IP(t + 1);
+ do
+ *op++ = *ip++;
+ while (--t > 0);
+ t = *ip++;
+ }
+ }
+
+#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP)
+ *out_len = op - out;
+ return LZO_E_EOF_NOT_FOUND;
+#endif
+
+ eof_found:
+ assert("lzo-21", t == 1);
+ *out_len = op - out;
+ return (ip == ip_end ? LZO_E_OK :
+ (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN));
+
+#if defined(HAVE_NEED_IP)
+ input_overrun:
+ *out_len = op - out;
+ return LZO_E_INPUT_OVERRUN;
+#endif
+
+#if defined(HAVE_NEED_OP)
+ output_overrun:
+ *out_len = op - out;
+ return LZO_E_OUTPUT_OVERRUN;
+#endif
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND)
+ lookbehind_overrun:
+ *out_len = op - out;
+ return LZO_E_LOOKBEHIND_OVERRUN;
+#endif
+}
+
+#define LZO_TEST_DECOMPRESS_OVERRUN
+#undef DO_DECOMPRESS
+#define DO_DECOMPRESS lzo1x_decompress_safe
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN)
+# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT)
+# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2
+# endif
+# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT)
+# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2
+# endif
+# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND)
+# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND
+# endif
+#endif
+
+#undef TEST_IP
+#undef TEST_OP
+#undef TEST_LOOKBEHIND
+#undef NEED_IP
+#undef NEED_OP
+#undef HAVE_TEST_IP
+#undef HAVE_TEST_OP
+#undef HAVE_NEED_IP
+#undef HAVE_NEED_OP
+#undef HAVE_ANY_IP
+#undef HAVE_ANY_OP
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT)
+# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1)
+# define TEST_IP (ip < ip_end)
+# endif
+# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2)
+# define NEED_IP(x) \
+ if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun
+# endif
+#endif
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT)
+# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1)
+# define TEST_OP (op <= op_end)
+# endif
+# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2)
+# undef TEST_OP
+# define NEED_OP(x) \
+ if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun
+# endif
+#endif
+
+#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND)
+# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun
+#else
+# define TEST_LOOKBEHIND(m_pos,op) ((void) 0)
+#endif
+
+#if !defined(LZO_EOF_CODE) && !defined(TEST_IP)
+# define TEST_IP (ip < ip_end)
+#endif
+
+#if defined(TEST_IP)
+# define HAVE_TEST_IP
+#else
+# define TEST_IP 1
+#endif
+#if defined(TEST_OP)
+# define HAVE_TEST_OP
+#else
+# define TEST_OP 1
+#endif
+
+#if defined(NEED_IP)
+# define HAVE_NEED_IP
+#else
+# define NEED_IP(x) ((void) 0)
+#endif
+#if defined(NEED_OP)
+# define HAVE_NEED_OP
+#else
+# define NEED_OP(x) ((void) 0)
+#endif
+
+#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP)
+# define HAVE_ANY_IP
+#endif
+#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP)
+# define HAVE_ANY_OP
+#endif
+
+#undef __COPY4
+#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src)
+
+#undef COPY4
+#if defined(LZO_UNALIGNED_OK_4)
+# define COPY4(dst,src) __COPY4(dst,src)
+#elif defined(LZO_ALIGNED_OK_4)
+# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src))
+#endif
+
+/***** End of minilzo.c *****/
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