lzodefs.h

开源的压缩算法 lzo 源码 ,open VPN 就是用这个算法

#      define LZO_OS_POSIX_SOLARIS  1
#      define LZO_INFO_OS_POSIX     "solaris"
#    else
#      define LZO_OS_POSIX_SUNOS    1
#      define LZO_INFO_OS_POSIX     "sunos"
#    endif
#  elif defined(__ultrix__) || defined(__ultrix)
#    define LZO_OS_POSIX_ULTRIX     1
#    define LZO_INFO_OS_POSIX       "ultrix"
#  else
#    define LZO_OS_POSIX_UNKNOWN    1
#    define LZO_INFO_OS_POSIX       "unknown"
#  endif
#endif
#endif
#if (LZO_OS_DOS16 || LZO_OS_OS216 || LZO_OS_WIN16)
#  if (UINT_MAX != LZO_0xffffL)
#    error "this should not happen"
#  endif
#  if (ULONG_MAX != LZO_0xffffffffL)
#    error "this should not happen"
#  endif
#endif
#if (LZO_OS_DOS32 || LZO_OS_OS2 || LZO_OS_WIN32 || LZO_OS_WIN64)
#  if (UINT_MAX != LZO_0xffffffffL)
#    error "this should not happen"
#  endif
#  if (ULONG_MAX != LZO_0xffffffffL)
#    error "this should not happen"
#  endif
#endif
#if defined(CIL) && defined(_GNUCC) && defined(__GNUC__)
#  define LZO_CC_CILLY          1
#  define LZO_INFO_CC           "Cilly"
#  if defined(__CILLY__)
#    define LZO_INFO_CCVER      LZO_CPP_MACRO_EXPAND(__CILLY__)
#  else
#    define LZO_INFO_CCVER      "unknown"
#  endif
#elif 0 && defined(SDCC) && defined(__VERSION__) && !defined(__GNUC__)
#  define LZO_CC_SDCC           1
#  define LZO_INFO_CC           "sdcc"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(SDCC)
#elif defined(__PATHSCALE__) && defined(__PATHCC_PATCHLEVEL__)
#  define LZO_CC_PATHSCALE      (__PATHCC__ * 0x10000L + __PATHCC_MINOR__ * 0x100 + __PATHCC_PATCHLEVEL__)
#  define LZO_INFO_CC           "Pathscale C"
#  define LZO_INFO_CCVER        __PATHSCALE__
#elif defined(__INTEL_COMPILER)
#  define LZO_CC_INTELC         1
#  define LZO_INFO_CC           "Intel C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__INTEL_COMPILER)
#elif defined(__POCC__) && defined(_WIN32)
#  define LZO_CC_PELLESC        1
#  define LZO_INFO_CC           "Pelles C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__POCC__)
#elif defined(__llvm__) && defined(__GNUC__) && defined(__VERSION__)
#  define LZO_CC_LLVM           1
#  define LZO_INFO_CC           "llvm-gcc"
#  define LZO_INFO_CCVER        __VERSION__
#elif defined(__GNUC__) && defined(__VERSION__)
#  if defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
#    define LZO_CC_GNUC         (__GNUC__ * 0x10000L + __GNUC_MINOR__ * 0x100 + __GNUC_PATCHLEVEL__)
#  elif defined(__GNUC_MINOR__)
#    define LZO_CC_GNUC         (__GNUC__ * 0x10000L + __GNUC_MINOR__ * 0x100)
#  else
#    define LZO_CC_GNUC         (__GNUC__ * 0x10000L)
#  endif
#  define LZO_INFO_CC           "gcc"
#  define LZO_INFO_CCVER        __VERSION__
#elif defined(__AZTEC_C__)
#  define LZO_CC_AZTECC         1
#  define LZO_INFO_CC           "Aztec C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__AZTEC_C__)
#elif defined(__BORLANDC__)
#  define LZO_CC_BORLANDC       1
#  define LZO_INFO_CC           "Borland C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__BORLANDC__)
#elif defined(__DMC__) && defined(__SC__)
#  define LZO_CC_DMC            1
#  define LZO_INFO_CC           "Digital Mars C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__DMC__)
#elif defined(__DECC)
#  define LZO_CC_DECC           1
#  define LZO_INFO_CC           "DEC C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__DECC)
#elif defined(__HIGHC__)
#  define LZO_CC_HIGHC          1
#  define LZO_INFO_CC           "MetaWare High C"
#  define LZO_INFO_CCVER        "unknown"
#elif defined(__IBMC__)
#  define LZO_CC_IBMC           1
#  define LZO_INFO_CC           "IBM C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__IBMC__)
#elif defined(__KEIL__) && defined(__C166__)
#  define LZO_CC_KEILC          1
#  define LZO_INFO_CC           "Keil C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__C166__)
#elif defined(__LCC__) && defined(_WIN32) && defined(__LCCOPTIMLEVEL)
#  define LZO_CC_LCCWIN32       1
#  define LZO_INFO_CC           "lcc-win32"
#  define LZO_INFO_CCVER        "unknown"
#elif defined(__LCC__)
#  define LZO_CC_LCC            1
#  define LZO_INFO_CC           "lcc"
#  if defined(__LCC_VERSION__)
#    define LZO_INFO_CCVER      LZO_CPP_MACRO_EXPAND(__LCC_VERSION__)
#  else
#    define LZO_INFO_CCVER      "unknown"
#  endif
#elif defined(_MSC_VER)
#  define LZO_CC_MSC            1
#  define LZO_INFO_CC           "Microsoft C"
#  if defined(_MSC_FULL_VER)
#    define LZO_INFO_CCVER      LZO_CPP_MACRO_EXPAND(_MSC_VER) "." LZO_CPP_MACRO_EXPAND(_MSC_FULL_VER)
#  else
#    define LZO_INFO_CCVER      LZO_CPP_MACRO_EXPAND(_MSC_VER)
#  endif
#elif defined(__MWERKS__)
#  define LZO_CC_MWERKS         1
#  define LZO_INFO_CC           "Metrowerks C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__MWERKS__)
#elif (defined(__NDPC__) || defined(__NDPX__)) && defined(__i386)
#  define LZO_CC_NDPC           1
#  define LZO_INFO_CC           "Microway NDP C"
#  define LZO_INFO_CCVER        "unknown"
#elif defined(__PACIFIC__)
#  define LZO_CC_PACIFICC       1
#  define LZO_INFO_CC           "Pacific C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__PACIFIC__)
#elif defined(__PGI) && (defined(__linux__) || defined(__WIN32__))
#  define LZO_CC_PGI            1
#  define LZO_INFO_CC           "Portland Group PGI C"
#  define LZO_INFO_CCVER        "unknown"
#elif defined(__PUREC__) && defined(__TOS__)
#  define LZO_CC_PUREC          1
#  define LZO_INFO_CC           "Pure C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__PUREC__)
#elif defined(__SC__) && defined(__ZTC__)
#  define LZO_CC_SYMANTECC      1
#  define LZO_INFO_CC           "Symantec C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__SC__)
#elif defined(__SUNPRO_C)
#  define LZO_CC_SUNPROC        1
#  define LZO_INFO_CC           "Sun C"
#  define LZO_INFO_CCVER        "unknown"
#elif defined(__TINYC__)
#  define LZO_CC_TINYC          1
#  define LZO_INFO_CC           "Tiny C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__TINYC__)
#elif defined(__TSC__)
#  define LZO_CC_TOPSPEEDC      1
#  define LZO_INFO_CC           "TopSpeed C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__TSC__)
#elif defined(__WATCOMC__)
#  define LZO_CC_WATCOMC        1
#  define LZO_INFO_CC           "Watcom C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__WATCOMC__)
#elif defined(__TURBOC__)
#  define LZO_CC_TURBOC         1
#  define LZO_INFO_CC           "Turbo C"
#  define LZO_INFO_CCVER        LZO_CPP_MACRO_EXPAND(__TURBOC__)
#elif defined(__ZTC__)
#  define LZO_CC_ZORTECHC       1
#  define LZO_INFO_CC           "Zortech C"
#  if (__ZTC__ == 0x310)
#    define LZO_INFO_CCVER      "0x310"
#  else
#    define LZO_INFO_CCVER      LZO_CPP_MACRO_EXPAND(__ZTC__)
#  endif
#else
#  define LZO_CC_UNKNOWN        1
#  define LZO_INFO_CC           "unknown"
#  define LZO_INFO_CCVER        "unknown"
#endif
#if 0 && (LZO_CC_MSC && (_MSC_VER >= 1200)) && !defined(_MSC_FULL_VER)
#  error "LZO_CC_MSC: _MSC_FULL_VER is not defined"
#endif
#if !defined(__LZO_ARCH_OVERRIDE)
#if defined(LZO_ARCH_GENERIC)
#  define LZO_INFO_ARCH             "generic"
#elif (LZO_OS_DOS16 || LZO_OS_OS216 || LZO_OS_WIN16)
#  define LZO_ARCH_I086             1
#  define LZO_ARCH_IA16             1
#  define LZO_INFO_ARCH             "i086"
#elif defined(__alpha__) || defined(__alpha) || defined(_M_ALPHA)
#  define LZO_ARCH_ALPHA            1
#  define LZO_INFO_ARCH             "alpha"
#elif defined(__amd64__) || defined(__x86_64__) || defined(_M_AMD64)
#  define LZO_ARCH_AMD64            1
#  define LZO_INFO_ARCH             "amd64"
#elif defined(__thumb__) || (defined(_M_ARM) && defined(_M_THUMB))
#  define LZO_ARCH_ARM              1
#  define LZO_ARCH_ARM_THUMB        1
#  define LZO_INFO_ARCH             "arm_thumb"
#elif defined(__arm__) || defined(_M_ARM)
#  define LZO_ARCH_ARM              1
#  define LZO_INFO_ARCH             "arm"
#elif (UINT_MAX <= LZO_0xffffL) && defined(__AVR__)
#  define LZO_ARCH_AVR              1
#  define LZO_INFO_ARCH             "avr"
#elif defined(__bfin__)
#  define LZO_ARCH_BLACKFIN         1
#  define LZO_INFO_ARCH             "blackfin"
#elif (UINT_MAX == LZO_0xffffL) && defined(__C166__)
#  define LZO_ARCH_C166             1
#  define LZO_INFO_ARCH             "c166"
#elif defined(__cris__)
#  define LZO_ARCH_CRIS             1
#  define LZO_INFO_ARCH             "cris"
#elif defined(__H8300__) || defined(__H8300H__) || defined(__H8300S__) || defined(__H8300SX__)
#  define LZO_ARCH_H8300            1
#  define LZO_INFO_ARCH             "h8300"
#elif defined(__hppa__) || defined(__hppa)
#  define LZO_ARCH_HPPA             1
#  define LZO_INFO_ARCH             "hppa"
#elif defined(__386__) || defined(__i386__) || defined(__i386) || defined(_M_IX86) || defined(_M_I386)
#  define LZO_ARCH_I386             1
#  define LZO_ARCH_IA32             1
#  define LZO_INFO_ARCH             "i386"
#elif (LZO_CC_ZORTECHC && defined(__I86__))
#  define LZO_ARCH_I386             1
#  define LZO_ARCH_IA32             1
#  define LZO_INFO_ARCH             "i386"
#elif (LZO_OS_DOS32 && LZO_CC_HIGHC) && defined(_I386)
#  define LZO_ARCH_I386             1
#  define LZO_ARCH_IA32             1
#  define LZO_INFO_ARCH             "i386"
#elif defined(__ia64__) || defined(__ia64) || defined(_M_IA64)
#  define LZO_ARCH_IA64             1
#  define LZO_INFO_ARCH             "ia64"
#elif (UINT_MAX == LZO_0xffffL) && defined(__m32c__)
#  define LZO_ARCH_M16C             1
#  define LZO_INFO_ARCH             "m16c"
#elif defined(__m32r__)
#  define LZO_ARCH_M32R             1
#  define LZO_INFO_ARCH             "m32r"
#elif (LZO_OS_TOS) || defined(__m68k__) || defined(__m68000__) || defined(__mc68000__) || defined(_M_M68K)
#  define LZO_ARCH_M68K             1
#  define LZO_INFO_ARCH             "m68k"
#elif (UINT_MAX == LZO_0xffffL) && defined(__C251__)
#  define LZO_ARCH_MCS251           1
#  define LZO_INFO_ARCH             "mcs251"
#elif (UINT_MAX == LZO_0xffffL) && defined(__C51__)
#  define LZO_ARCH_MCS51            1
#  define LZO_INFO_ARCH             "mcs51"
#elif defined(__mips__) || defined(__mips) || defined(_MIPS_ARCH) || defined(_M_MRX000)
#  define LZO_ARCH_MIPS             1
#  define LZO_INFO_ARCH             "mips"
#elif (UINT_MAX == LZO_0xffffL) && defined(__MSP430__)
#  define LZO_ARCH_MSP430           1
#  define LZO_INFO_ARCH             "msp430"
#elif defined(__powerpc__) || defined(__powerpc) || defined(__ppc__) || defined(__PPC__) || defined(_M_PPC)
#  define LZO_ARCH_POWERPC          1
#  define LZO_INFO_ARCH             "powerpc"
#elif defined(__s390__) || defined(__s390) || defined(__s390x__) || defined(__s390x)
#  define LZO_ARCH_S390             1
#  define LZO_INFO_ARCH             "s390"
#elif defined(__sh__) || defined(_M_SH)
#  define LZO_ARCH_SH               1
#  define LZO_INFO_ARCH             "sh"
#elif defined(__sparc__) || defined(__sparc) || defined(__sparcv8)
#  define LZO_ARCH_SPARC            1
#  define LZO_INFO_ARCH             "sparc"
#elif (UINT_MAX == LZO_0xffffL) && defined(__z80)
#  define LZO_ARCH_Z80              1
#  define LZO_INFO_ARCH             "z80"
#else
#  define LZO_ARCH_UNKNOWN          1
#  define LZO_INFO_ARCH             "unknown"
#endif
#endif
#if 1 && (LZO_ARCH_UNKNOWN) && (LZO_OS_DOS32 || LZO_OS_OS2)
#  error "FIXME - missing define for CPU architecture"
#endif
#if 1 && (LZO_ARCH_UNKNOWN) && (LZO_OS_WIN32)
#  error "FIXME - missing WIN32 define for CPU architecture"
#endif
#if 1 && (LZO_ARCH_UNKNOWN) && (LZO_OS_WIN64)
#  error "FIXME - missing WIN64 define for CPU architecture"
#endif
#if (LZO_OS_OS216 || LZO_OS_WIN16)
#  define LZO_ARCH_I086PM           1
#  define LZO_ARCH_IA16PM           1
#elif 1 && (LZO_OS_DOS16 && defined(BLX286))
#  define LZO_ARCH_I086PM           1
#  define LZO_ARCH_IA16PM           1
#elif 1 && (LZO_OS_DOS16 && defined(DOSX286))
#  define LZO_ARCH_I086PM           1
#  define LZO_ARCH_IA16PM           1
#elif 1 && (LZO_OS_DOS16 && LZO_CC_BORLANDC && defined(__DPMI16__))
#  define LZO_ARCH_I086PM           1
#  define LZO_ARCH_IA16PM           1
#endif
#if defined(LZO_ARCH_ARM_THUMB) && !defined(LZO_ARCH_ARM)
#  error "this should not happen"
#endif
#if defined(LZO_ARCH_I086PM) && !defined(LZO_ARCH_I086)
#  error "this should not happen"
#endif
#if (LZO_ARCH_I086)
#  if (UINT_MAX != LZO_0xffffL)
#    error "this should not happen"
#  endif
#  if (ULONG_MAX != LZO_0xffffffffL)
#    error "this should not happen"
#  endif
#endif
#if (LZO_ARCH_I386)
#  if (UINT_MAX != LZO_0xffffL) && defined(__i386_int16__)
#    error "this should not happen"
#  endif
#  if (UINT_MAX != LZO_0xffffffffL) && !defined(__i386_int16__)
#    error "this should not happen"
#  endif
#  if (ULONG_MAX != LZO_0xffffffffL)
#    error "this should not happen"
#  endif
#endif
#if !defined(__LZO_MM_OVERRIDE)
#if (LZO_OS_DOS16 || LZO_OS_OS216 || LZO_OS_WIN16)
#if (UINT_MAX != LZO_0xffffL)
#  error "this should not happen"
#endif
#if defined(__TINY__) || defined(M_I86TM) || defined(_M_I86TM)
#  define LZO_MM_TINY           1
#elif defined(__HUGE__) || defined(_HUGE_) || defined(M_I86HM) || defined(_M_I86HM)
#  define LZO_MM_HUGE           1
#elif defined(__SMALL__) || defined(M_I86SM) || defined(_M_I86SM) || defined(SMALL_MODEL)
#  define LZO_MM_SMALL          1
#elif defined(__MEDIUM__) || defined(M_I86MM) || defined(_M_I86MM)
#  define LZO_MM_MEDIUM         1
#elif defined(__COMPACT__) || defined(M_I86CM) || defined(_M_I86CM)
#  define LZO_MM_COMPACT        1
#elif defined(__LARGE__) || defined(M_I86LM) || defined(_M_I86LM) || defined(LARGE_MODEL)
#  define LZO_MM_LARGE          1
#elif (LZO_CC_AZTECC)
#  if defined(_LARGE_CODE) && defined(_LARGE_DATA)
#    define LZO_MM_LARGE        1
#  elif defined(_LARGE_CODE)
#    define LZO_MM_MEDIUM       1
#  elif defined(_LARGE_DATA)
#    define LZO_MM_COMPACT      1
#  else
#    define LZO_MM_SMALL        1
#  endif
#elif (LZO_CC_ZORTECHC && defined(__VCM__))
#  define LZO_MM_LARGE          1
#else
#  error "unknown memory model"
#endif
#define LZO_HAVE_MM_HUGE_PTR        1
#define LZO_HAVE_MM_HUGE_ARRAY      1
#if (LZO_MM_TINY)
#  undef LZO_HAVE_MM_HUGE_ARRAY
#endif
#if (LZO_CC_AZTECC || LZO_CC_PACIFICC || LZO_CC_ZORTECHC)
#  undef LZO_HAVE_MM_HUGE_PTR
#  undef LZO_HAVE_MM_HUGE_ARRAY
#elif (LZO_CC_DMC || LZO_CC_SYMANTECC)
#  undef LZO_HAVE_MM_HUGE_ARRAY
#elif (LZO_CC_MSC && defined(_QC))
#  undef LZO_HAVE_MM_HUGE_ARRAY
#  if (_MSC_VER < 600)
#    undef LZO_HAVE_MM_HUGE_PTR
#  endif
#elif (LZO_CC_TURBOC && (__TURBOC__ < 0x0295))
#  undef LZO_HAVE_MM_HUGE_ARRAY
#endif
#if (LZO_ARCH_I086PM) && !defined(LZO_HAVE_MM_HUGE_PTR)
#  if (LZO_OS_DOS16)
#    error "this should not happen"
#  elif (LZO_CC_ZORTECHC)
#  else
#    error "this should not happen"
#  endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if (LZO_CC_BORLANDC && (__BORLANDC__ >= 0x0200))
   extern void __near __cdecl _AHSHIFT(void);
#  define LZO_MM_AHSHIFT      ((unsigned) _AHSHIFT)
#elif (LZO_CC_DMC || LZO_CC_SYMANTECC || LZO_CC_ZORTECHC)
   extern void __near __cdecl _AHSHIFT(void);
#  define LZO_MM_AHSHIFT      ((unsigned) _AHSHIFT)
#elif (LZO_CC_MSC || LZO_CC_TOPSPEEDC)
   extern void __near __cdecl _AHSHIFT(void);