+++ /dev/null
-/* minilzo.c -- mini subset of the LZO real-time data compression library
-
- This file is part of the LZO real-time data compression library.
-
- 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@oberhumer.com>
- http://www.oberhumer.com/opensource/lzo/
- */
-
-/*
- * NOTE:
- * the full LZO package can be found at
- * http://www.oberhumer.com/opensource/lzo/
- */
-
-#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
-
-#if !defined(LZO_NO_SYS_TYPES_H)
-# include <sys/types.h>
-#endif
-#include <stdio.h>
-
-#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
-
-#if !defined(LZO_HAVE_CONFIG_H)
-# include <stddef.h>
-# include <string.h>
-# if !defined(NO_STDLIB_H)
-# include <stdlib.h>
-# endif
-# define HAVE_MEMCMP
-# define HAVE_MEMCPY
-# define HAVE_MEMMOVE
-# define HAVE_MEMSET
-#else
-# include <sys/types.h>
-# if defined(HAVE_STDDEF_H)
-# include <stddef.h>
-# endif
-# if defined(STDC_HEADERS)
-# include <string.h>
-# include <stdlib.h>
-# endif
-#endif
-
-#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
-#include <assert.h>
-
-#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_MEMCMP)
-# undef memcmp
-# define memcmp lzo_memcmp
-#endif
-#if !defined(HAVE_MEMCPY)
-# undef memcpy
-# define memcpy lzo_memcpy
-#endif
-#if !defined(HAVE_MEMMOVE)
-# undef memmove
-# define memmove lzo_memmove
-#endif
-#if !defined(HAVE_MEMSET)
-# undef memset
-# define memset lzo_memset
-#endif
-
-#if 0
-# define LZO_BYTE(x) ((unsigned char) (x))
-#else
-# define LZO_BYTE(x) ((unsigned char) ((x) & 0xff))
-#endif
-
-#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 int __lzo_init_done;
-__LZO_EXTERN_C const lzo_byte __lzo_copyright[];
-LZO_EXTERN(const lzo_byte *) lzo_copyright(void);
-__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)
-
-#if 0
-
-#define __LZO_IS_COMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w))
-#define __LZO_QUERY_COMPRESS(i,il,o,ol,w,n,s) \
- (*ol = (n)*(s), LZO_E_OK)
-
-#define __LZO_IS_DECOMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w))
-#define __LZO_QUERY_DECOMPRESS(i,il,o,ol,w,n,s) \
- (*ol = (n)*(s), LZO_E_OK)
-
-#define __LZO_IS_OPTIMIZE_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w))
-#define __LZO_QUERY_OPTIMIZE(i,il,o,ol,w,n,s) \
- (*ol = (n)*(s), LZO_E_OK)
-
-#endif
-
-#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)))
-
-LZO_EXTERN(lzo_ptr_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;
- 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
-
-LZO_PUBLIC(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;
-}
-
-LZO_PUBLIC(unsigned)
-__lzo_align_gap(const lzo_voidp ptr, lzo_uint size)
-{
- lzo_ptr_t p, s, n;
-
- assert(size > 0);
-
- p = __lzo_ptr_linear(ptr);
- s = (lzo_ptr_t) (size - 1);
-#if 0
- assert((size & (size - 1)) == 0);
- n = ((p + s) & ~s) - p;
-#else
- n = (((p + s) / size) * size) - p;
-#endif
-
- assert((long)n >= 0);
- assert(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 0 && !defined(MEMCPY8_DS)
-
-#define MEMCPY8_DS(dest,src,len) \
- { do { \
- *dest++ = *src++; \
- *dest++ = *src++; \
- *dest++ = *src++; \
- *dest++ = *src++; \
- *dest++ = *src++; \
- *dest++ = *src++; \
- *dest++ = *src++; \
- *dest++ = *src++; \
- len -= 8; \
- } while (len > 0); }
-
-#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 0 && defined(LZO_OPTIMIZE_GNUC_i386)
-
-#define BZERO8_PTR(s,l,n) \
-__asm__ __volatile__( \
- "movl %0,%%eax \n" \
- "movl %1,%%edi \n" \
- "movl %2,%%ecx \n" \
- "cld \n" \
- "rep \n" \
- "stosl %%eax,(%%edi) \n" \
- : \
- :"g" (0),"g" (s),"g" (n) \
- :"eax","edi","ecx", "memory", "cc" \
-)
-
-#elif (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET)
-
-#if 1
-#define BZERO8_PTR(s,l,n) memset((s),0,(lzo_uint)(l)*(n))
-#else
-#define BZERO8_PTR(s,l,n) memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n))
-#endif
-
-#else
-
-#define BZERO8_PTR(s,l,n) \
- lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n))
-
-#endif
-
-#if 0
-#if defined(__GNUC__) && defined(__i386__)
-
-unsigned char lzo_rotr8(unsigned char value, int shift);
-extern __inline__ unsigned char lzo_rotr8(unsigned char value, int shift)
-{
- unsigned char result;
-
- __asm__ __volatile__ ("movb %b1, %b0; rorb %b2, %b0"
- : "=a"(result) : "g"(value), "c"(shift));
- return result;
-}
-
-unsigned short lzo_rotr16(unsigned short value, int shift);
-extern __inline__ unsigned short lzo_rotr16(unsigned short value, int shift)
-{
- unsigned short result;
-
- __asm__ __volatile__ ("movw %b1, %b0; rorw %b2, %b0"
- : "=a"(result) : "g"(value), "c"(shift));
- return result;
-}
-
-#endif
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
-LZO_PUBLIC(lzo_bool)
-lzo_assert(int expr)
-{
- return (expr) ? 1 : 0;
-}
-
-/* If you use the LZO library in a product, you *must* keep this
- * copyright string in the executable of your product.
- */
-
-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@jk.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
-
-LZO_PUBLIC(const lzo_byte *)
-lzo_copyright(void)
-{
- return __lzo_copyright;
-}
-
-LZO_PUBLIC(unsigned)
-lzo_version(void)
-{
- return LZO_VERSION;
-}
-
-LZO_PUBLIC(const char *)
-lzo_version_string(void)
-{
- return LZO_VERSION_STRING;
-}
-
-LZO_PUBLIC(const char *)
-lzo_version_date(void)
-{
- return LZO_VERSION_DATE;
-}
-
-LZO_PUBLIC(const lzo_charp)
-_lzo_version_string(void)
-{
- return LZO_VERSION_STRING;
-}
-
-LZO_PUBLIC(const lzo_charp)
-_lzo_version_date(void)
-{
- return LZO_VERSION_DATE;
-}
-
-#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);
-
-LZO_PUBLIC(lzo_uint32)
-lzo_adler32(lzo_uint32 adler, const lzo_byte *buf, lzo_uint len)
-{
- lzo_uint32 s1 = adler & 0xffff;
- lzo_uint32 s2 = (adler >> 16) & 0xffff;
- int k;
-
- if (buf == NULL)
- return 1;
-
- while (len > 0)
- {
- k = len < LZO_NMAX ? (int) len : LZO_NMAX;
- len -= k;
- if (k >= 16) do
- {
- LZO_DO16(buf,0);
- buf += 16;
- k -= 16;
- } while (k >= 16);
- if (k != 0) do
- {
- s1 += *buf++;
- s2 += s1;
- } while (--k > 0);
- s1 %= LZO_BASE;
- s2 %= LZO_BASE;
- }
- return (s2 << 16) | s1;
-}
-
-LZO_PUBLIC(int)
-lzo_memcmp(const lzo_voidp s1, const lzo_voidp s2, lzo_uint len)
-{
-#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCMP)
- return memcmp(s1,s2,len);
-#else
- const lzo_byte *p1 = (const lzo_byte *) s1;
- const lzo_byte *p2 = (const lzo_byte *) s2;
- int d;
-
- if (len > 0) do
- {
- d = *p1 - *p2;
- if (d != 0)
- return d;
- p1++;
- p2++;
- }
- while (--len > 0);
- return 0;
-#endif
-}
-
-LZO_PUBLIC(lzo_voidp)
-lzo_memcpy(lzo_voidp dest, const lzo_voidp src, lzo_uint len)
-{
-#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCPY)
- return memcpy(dest,src,len);
-#else
- lzo_byte *p1 = (lzo_byte *) dest;
- const lzo_byte *p2 = (const lzo_byte *) src;
-
- if (len <= 0 || p1 == p2)
- return dest;
- do
- *p1++ = *p2++;
- while (--len > 0);
- return dest;
-#endif
-}
-
-LZO_PUBLIC(lzo_voidp)
-lzo_memmove(lzo_voidp dest, const lzo_voidp src, lzo_uint len)
-{
-#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMMOVE)
- return memmove(dest,src,len);
-#else
- lzo_byte *p1 = (lzo_byte *) dest;
- const lzo_byte *p2 = (const lzo_byte *) src;
-
- if (len <= 0 || p1 == p2)
- return dest;
-
- if (p1 < p2)
- {
- do
- *p1++ = *p2++;
- while (--len > 0);
- }
- else
- {
- p1 += len;
- p2 += len;
- do
- *--p1 = *--p2;
- while (--len > 0);
- }
- return dest;
-#endif
-}
-
-LZO_PUBLIC(lzo_voidp)
-lzo_memset(lzo_voidp s, int c, lzo_uint len)
-{
-#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET)
- return memset(s,c,len);
-#else
- lzo_byte *p = (lzo_byte *) s;
-
- if (len > 0) do
- *p++ = LZO_BYTE(c);
- while (--len > 0);
- return s;
-#endif
-}
-
-#if 0
-# define IS_SIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) < 0)
-# define IS_UNSIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) > 0)
-#else
-# define IS_SIGNED(type) (((type) (-1)) < ((type) 0))
-# define IS_UNSIGNED(type) (((type) (-1)) > ((type) 0))
-#endif
-
-#define IS_POWER_OF_2(x) (((x) & ((x) - 1)) == 0)
-
-static lzo_bool schedule_insns_bug(void);
-static lzo_bool strength_reduce_bug(int *);
-
-#if 0 || defined(LZO_DEBUG)
-#include <stdio.h>
-static lzo_bool __lzo_assert_fail(const char *s, unsigned line)
-{
-#if defined(__palmos__)
- printf("LZO assertion failed in line %u: '%s'\n",line,s);
-#else
- fprintf(stderr,"LZO assertion failed in line %u: '%s'\n",line,s);
-#endif
- return 0;
-}
-# define __lzo_assert(x) ((x) ? 1 : __lzo_assert_fail(#x,__LINE__))
-#else
-# define __lzo_assert(x) ((x) ? 1 : 0)
-#endif
-
-#undef COMPILE_TIME_ASSERT
-#if 0
-# define COMPILE_TIME_ASSERT(expr) r &= __lzo_assert(expr)
-#else
-# define COMPILE_TIME_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr)
-#endif
-
-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 (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
-
- 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)));
- 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));
-
-#if 0
- dict = (lzo_bytepp) wrkmem;
-#else
-
- u.a_lzo_bytep = wrkmem; dict = u.a_lzo_bytepp;
-#endif
-
- 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;
-#if 0
- v0 = * (lzo_uint32 *) &x[k];
- v1 = * (lzo_uint32 *) &x[k+n];
-#else
-
- 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;
-#endif
- r &= __lzo_assert(v0 > 0);
- r &= __lzo_assert(v1 > 0);
- }
- }
-
- return r;
-}
-
-LZO_PUBLIC(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);
-
-#if 0
- r &= __lzo_assert((const void *)&u == (const void *)&u.a);
- r &= __lzo_assert((const void *)&u == (const void *)&u.b);
- r &= __lzo_assert((const void *)&u == (const void *)&u.x[0]);
- r &= __lzo_assert((const void *)&u == (const void *)&u.aa[0]);
-#endif
-
- 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 defined(__LZO_IN_MINLZO)
- if (r == 1)
- {
- lzo_uint32 adler;
- adler = lzo_adler32(0, NULL, 0);
- adler = lzo_adler32(adler, lzo_copyright(), 200);
- r &= __lzo_assert(adler == 0xc76f1751L);
- }
-#endif
-
- 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
-
-int __lzo_init_done = 0;
-
-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;
-
- __lzo_init_done = 1;
-
- 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 )
-{
-#if 0 && defined(__GNUC__) && defined(__i386__)
- register const lzo_byte *ip __asm__("%esi");
-#else
- register const lzo_byte *ip;
-#endif
- 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 (;;)
- {
-#if 0 && defined(__GNUC__) && defined(__i386__)
- register const lzo_byte *m_pos __asm__("%edi");
-#else
- register const lzo_byte *m_pos;
-#endif
- 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])
- {
-#if 0
- if (m_off <= M2_MAX_OFFSET)
- goto match;
- if (lit <= 3)
- goto match;
- if (lit == 3)
- {
- assert(op - 2 > out); op[-2] |= LZO_BYTE(3);
- *op++ = *ii++; *op++ = *ii++; *op++ = *ii++;
- goto code_match;
- }
- if (m_pos[3] == ip[3])
-#endif
- goto match;
- }
- else
- {
-#if 0
-#if 0
- if (m_off <= M1_MAX_OFFSET && lit > 0 && lit <= 3)
-#else
- if (m_off <= M1_MAX_OFFSET && lit == 3)
-#endif
- {
- register lzo_uint t;
-
- t = lit;
- assert(op - 2 > out); op[-2] |= LZO_BYTE(t);
- do *op++ = *ii++; while (--t > 0);
- assert(ii == ip);
- m_off -= 1;
- *op++ = LZO_BYTE(M1_MARKER | ((m_off & 3) << 2));
- *op++ = LZO_BYTE(m_off >> 2);
- ip += 2;
- goto match_done;
- }
-#endif
- }
- }
-
-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(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(tt > 0);
- *op++ = LZO_BYTE(tt);
- }
- do *op++ = *ii++; while (--t > 0);
- }
-
- assert(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(m_len >= 3); assert(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(m_off > 0); assert(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(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(m_off > 0); assert(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(m_len > 0);
- *op++ = LZO_BYTE(m_len);
- }
- }
-
-m3_m4_offset:
- *op++ = LZO_BYTE((m_off & 63) << 2);
- *op++ = LZO_BYTE(m_off >> 6);
- }
-
-#if 0
-match_done:
-#endif
- 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(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(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(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(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(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(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(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
-
-#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(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(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(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(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(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(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
-}
-
-/***** End of minilzo.c *****/
-
projects / presencevnc / blobdiff