#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;
}
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
}