lzodefs.h

开源的压缩算法 lzo 源码 ,open VPN 就是用这个算法

#    define LZO_LIBC_UCLIBC     0x00090bL
#  endif
#  define LZO_INFO_LIBC         "uclibc"
#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__)
#  define LZO_LIBC_GLIBC        (__GLIBC__ * 0x10000L + __GLIBC_MINOR__ * 0x100)
#  define LZO_INFO_LIBC         "glibc"
#elif (LZO_CC_MWERKS) && defined(__MSL__)
#  define LZO_LIBC_MSL          __MSL__
#  define LZO_INFO_LIBC         "msl"
#else
#  define LZO_LIBC_DEFAULT      1
#  define LZO_INFO_LIBC         "default"
#endif
#endif
#if (LZO_CC_GNUC >= 0x020800ul)
#  define __lzo_gnuc_extension__ __extension__
#elif (LZO_CC_LLVM || LZO_CC_PATHSCALE)
#  define __lzo_gnuc_extension__ __extension__
#else
#  define __lzo_gnuc_extension__
#endif
#if (LZO_CC_CILLY || LZO_CC_GNUC || LZO_CC_LLVM || LZO_CC_PATHSCALE || LZO_CC_PGI)
#  define lzo_alignof(e)        __alignof__(e)
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 700))
#  define lzo_alignof(e)        __alignof__(e)
#elif (LZO_CC_MSC && (_MSC_VER >= 1300))
#  define lzo_alignof(e)        __alignof(e)
#endif
#if (LZO_CC_TURBOC && (__TURBOC__ <= 0x0295))
#elif defined(__cplusplus)
#  define __lzo_inline          inline
#elif (LZO_CC_BORLANDC && (__BORLANDC__ >= 0x0550))
#  define __lzo_inline          __inline
#elif (LZO_CC_CILLY || LZO_CC_GNUC || LZO_CC_LLVM || LZO_CC_PATHSCALE || LZO_CC_PGI)
#  define __lzo_inline          __inline__
#elif (LZO_CC_DMC)
#  define __lzo_inline          __inline
#elif (LZO_CC_INTELC)
#  define __lzo_inline          __inline
#elif (LZO_CC_MWERKS && (__MWERKS__ >= 0x2405))
#  define __lzo_inline          __inline
#elif (LZO_CC_MSC && (_MSC_VER >= 900))
#  define __lzo_inline          __inline
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
#  define __lzo_inline          inline
#endif
#if (LZO_CC_GNUC >= 0x030200ul)
#  define __lzo_forceinline     __inline__ __attribute__((__always_inline__))
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 450) && (LZO_OS_WIN32 || LZO_OS_WIN64))
#  define __lzo_forceinline     __forceinline
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 800))
#  define __lzo_forceinline     __inline__ __attribute__((__always_inline__))
#elif (LZO_CC_LLVM || LZO_CC_PATHSCALE)
#  define __lzo_forceinline     __inline__ __attribute__((__always_inline__))
#elif (LZO_CC_MSC && (_MSC_VER >= 1200))
#  define __lzo_forceinline     __forceinline
#endif
#if (LZO_CC_GNUC >= 0x030200ul)
#  define __lzo_noinline        __attribute__((__noinline__))
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 600) && (LZO_OS_WIN32 || LZO_OS_WIN64))
#  define __lzo_noinline        __declspec(noinline)
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 800))
#  define __lzo_noinline        __attribute__((__noinline__))
#elif (LZO_CC_LLVM || LZO_CC_PATHSCALE)
#  define __lzo_noinline        __attribute__((__noinline__))
#elif (LZO_CC_MSC && (_MSC_VER >= 1300))
#  define __lzo_noinline        __declspec(noinline)
#elif (LZO_CC_MWERKS && (__MWERKS__ >= 0x3200) && (LZO_OS_WIN32 || LZO_OS_WIN64))
#  if defined(__cplusplus)
#  else
#    define __lzo_noinline      __declspec(noinline)
#  endif
#endif
#if (defined(__lzo_forceinline) || defined(__lzo_noinline)) && !defined(__lzo_inline)
#  error "this should not happen"
#endif
#if (LZO_CC_GNUC >= 0x020700ul)
#  define __lzo_noreturn        __attribute__((__noreturn__))
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 450) && (LZO_OS_WIN32 || LZO_OS_WIN64))
#  define __lzo_noreturn        __declspec(noreturn)
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 600) && (LZO_OS_POSIX))
#  define __lzo_noreturn        __attribute__((__noreturn__))
#elif (LZO_CC_LLVM || LZO_CC_PATHSCALE)
#  define __lzo_noreturn        __attribute__((__noreturn__))
#elif (LZO_CC_MSC && (_MSC_VER >= 1200))
#  define __lzo_noreturn        __declspec(noreturn)
#endif
#if (LZO_CC_GNUC >= 0x030400ul)
#  define __lzo_constructor     __attribute__((__constructor__,__used__))
#elif (LZO_CC_GNUC >= 0x020700ul)
#  define __lzo_constructor     __attribute__((__constructor__))
#elif (LZO_CC_LLVM || LZO_CC_PATHSCALE)
#  define __lzo_constructor     __attribute__((__constructor__))
#endif
#if (LZO_CC_GNUC >= 0x030400ul)
#  define __lzo_destructor      __attribute__((__destructor__,__used__))
#elif (LZO_CC_GNUC >= 0x020700ul)
#  define __lzo_destructor      __attribute__((__destructor__))
#elif (LZO_CC_LLVM || LZO_CC_PATHSCALE)
#  define __lzo_destructor      __attribute__((__destructor__))
#endif
#if defined(__lzo_destructor) && !defined(__lzo_constructor)
#  error "this should not happen"
#endif
#if (LZO_CC_GNUC >= 0x030200ul)
#  define __lzo_likely(e)       (__builtin_expect(!!(e),1))
#  define __lzo_unlikely(e)     (__builtin_expect(!!(e),0))
#elif (LZO_CC_INTELC && (__INTEL_COMPILER >= 800))
#  define __lzo_likely(e)       (__builtin_expect(!!(e),1))
#  define __lzo_unlikely(e)     (__builtin_expect(!!(e),0))
#elif (LZO_CC_LLVM || LZO_CC_PATHSCALE)
#  define __lzo_likely(e)       (__builtin_expect(!!(e),1))
#  define __lzo_unlikely(e)     (__builtin_expect(!!(e),0))
#else
#  define __lzo_likely(e)       (e)
#  define __lzo_unlikely(e)     (e)
#endif
#if !defined(LZO_UNUSED)
#  if (LZO_CC_BORLANDC && (__BORLANDC__ >= 0x0600))
#    define LZO_UNUSED(var)         ((void) &var)
#  elif (LZO_CC_BORLANDC || LZO_CC_HIGHC || LZO_CC_NDPC || LZO_CC_PELLESC || LZO_CC_TURBOC)
#    define LZO_UNUSED(var)         if (&var) ; else
#  elif (LZO_CC_GNUC || LZO_CC_LLVM || LZO_CC_PATHSCALE)
#    define LZO_UNUSED(var)         ((void) var)
#  elif (LZO_CC_MSC && (_MSC_VER < 900))
#    define LZO_UNUSED(var)         if (&var) ; else
#  elif (LZO_CC_KEILC)
#    define LZO_UNUSED(var)         {extern int __lzo_unused[1-2*!(sizeof(var)>0)];}
#  elif (LZO_CC_PACIFICC)
#    define LZO_UNUSED(var)         ((void) sizeof(var))
#  elif (LZO_CC_WATCOMC) && defined(__cplusplus)
#    define LZO_UNUSED(var)         ((void) var)
#  else
#    define LZO_UNUSED(var)         ((void) &var)
#  endif
#endif
#if !defined(LZO_UNUSED_FUNC)
#  if (LZO_CC_BORLANDC && (__BORLANDC__ >= 0x0600))
#    define LZO_UNUSED_FUNC(func)   ((void) func)
#  elif (LZO_CC_BORLANDC || LZO_CC_NDPC || LZO_CC_TURBOC)
#    define LZO_UNUSED_FUNC(func)   if (func) ; else
#  elif (LZO_CC_LLVM)
#    define LZO_UNUSED_FUNC(func)   ((void) &func)
#  elif (LZO_CC_MSC && (_MSC_VER < 900))
#    define LZO_UNUSED_FUNC(func)   if (func) ; else
#  elif (LZO_CC_MSC)
#    define LZO_UNUSED_FUNC(func)   ((void) &func)
#  elif (LZO_CC_KEILC || LZO_CC_PELLESC)
#    define LZO_UNUSED_FUNC(func)   {extern int __lzo_unused[1-2*!(sizeof((int)func)>0)];}
#  else
#    define LZO_UNUSED_FUNC(func)   ((void) func)
#  endif
#endif
#if !defined(LZO_UNUSED_LABEL)
#  if (LZO_CC_WATCOMC) && defined(__cplusplus)
#    define LZO_UNUSED_LABEL(l)     switch(0) case 1:goto l
#  elif (LZO_CC_INTELC || LZO_CC_WATCOMC)
#    define LZO_UNUSED_LABEL(l)     if (0) goto l
#  else
#    define LZO_UNUSED_LABEL(l)     switch(0) case 1:goto l
#  endif
#endif
#if !defined(LZO_COMPILE_TIME_ASSERT_HEADER)
#  if (LZO_CC_AZTECC || LZO_CC_ZORTECHC)
#    define LZO_COMPILE_TIME_ASSERT_HEADER(e)  extern int __lzo_cta[1-!(e)];
#  elif (LZO_CC_DMC || LZO_CC_SYMANTECC)
#    define LZO_COMPILE_TIME_ASSERT_HEADER(e)  extern int __lzo_cta[1u-2*!(e)];
#  elif (LZO_CC_TURBOC && (__TURBOC__ == 0x0295))
#    define LZO_COMPILE_TIME_ASSERT_HEADER(e)  extern int __lzo_cta[1-!(e)];
#  else
#    define LZO_COMPILE_TIME_ASSERT_HEADER(e)  extern int __lzo_cta[1-2*!(e)];
#  endif
#endif
#if !defined(LZO_COMPILE_TIME_ASSERT)
#  if (LZO_CC_AZTECC)
#    define LZO_COMPILE_TIME_ASSERT(e)  {typedef int __lzo_cta_t[1-!(e)];}
#  elif (LZO_CC_DMC || LZO_CC_PACIFICC || LZO_CC_SYMANTECC || LZO_CC_ZORTECHC)
#    define LZO_COMPILE_TIME_ASSERT(e)  switch(0) case 1:case !(e):break;
#  elif (LZO_CC_MSC && (_MSC_VER < 900))
#    define LZO_COMPILE_TIME_ASSERT(e)  switch(0) case 1:case !(e):break;
#  elif (LZO_CC_TURBOC && (__TURBOC__ == 0x0295))
#    define LZO_COMPILE_TIME_ASSERT(e)  switch(0) case 1:case !(e):break;
#  else
#    define LZO_COMPILE_TIME_ASSERT(e)  {typedef int __lzo_cta_t[1-2*!(e)];}
#  endif
#endif
#if (LZO_ARCH_I086 || LZO_ARCH_I386) && (LZO_OS_DOS16 || LZO_OS_DOS32 || LZO_OS_OS2 || LZO_OS_OS216 || LZO_OS_WIN16 || LZO_OS_WIN32 || LZO_OS_WIN64)
#  if (LZO_CC_GNUC || LZO_CC_HIGHC || LZO_CC_NDPC || LZO_CC_PACIFICC)
#  elif (LZO_CC_DMC || LZO_CC_SYMANTECC || LZO_CC_ZORTECHC)
#    define __lzo_cdecl                 __cdecl
#    define __lzo_cdecl_atexit
#    define __lzo_cdecl_main            __cdecl
#    if (LZO_OS_OS2 && (LZO_CC_DMC || LZO_CC_SYMANTECC))
#      define __lzo_cdecl_qsort         __pascal
#    elif (LZO_OS_OS2 && (LZO_CC_ZORTECHC))
#      define __lzo_cdecl_qsort         _stdcall
#    else
#      define __lzo_cdecl_qsort         __cdecl
#    endif
#  elif (LZO_CC_WATCOMC)
#    define __lzo_cdecl                 __cdecl
#  else
#    define __lzo_cdecl                 __cdecl
#    define __lzo_cdecl_atexit          __cdecl
#    define __lzo_cdecl_main            __cdecl
#    define __lzo_cdecl_qsort           __cdecl
#  endif
#  if (LZO_CC_GNUC || LZO_CC_HIGHC || LZO_CC_NDPC || LZO_CC_PACIFICC || LZO_CC_WATCOMC)
#  elif (LZO_OS_OS2 && (LZO_CC_DMC || LZO_CC_SYMANTECC))
#    define __lzo_cdecl_sighandler      __pascal
#  elif (LZO_OS_OS2 && (LZO_CC_ZORTECHC))
#    define __lzo_cdecl_sighandler      _stdcall
#  elif (LZO_CC_MSC && (_MSC_VER >= 1400)) && defined(_M_CEE_PURE)
#    define __lzo_cdecl_sighandler      __clrcall
#  elif (LZO_CC_MSC && (_MSC_VER >= 600 && _MSC_VER < 700))
#    if defined(_DLL)
#      define __lzo_cdecl_sighandler    _far _cdecl _loadds
#    elif defined(_MT)
#      define __lzo_cdecl_sighandler    _far _cdecl
#    else
#      define __lzo_cdecl_sighandler    _cdecl
#    endif
#  else
#    define __lzo_cdecl_sighandler      __cdecl
#  endif
#elif (LZO_ARCH_M68K && LZO_OS_TOS && (LZO_CC_PUREC || LZO_CC_TURBOC))
#  define __lzo_cdecl                   cdecl
#endif
#if !defined(__lzo_cdecl)
#  define __lzo_cdecl
#endif
#if !defined(__lzo_cdecl_atexit)
#  define __lzo_cdecl_atexit
#endif
#if !defined(__lzo_cdecl_main)
#  define __lzo_cdecl_main
#endif
#if !defined(__lzo_cdecl_qsort)
#  define __lzo_cdecl_qsort
#endif
#if !defined(__lzo_cdecl_sighandler)
#  define __lzo_cdecl_sighandler
#endif
#if !defined(__lzo_cdecl_va)
#  define __lzo_cdecl_va                __lzo_cdecl
#endif
#if (LZO_OS_CYGWIN || (LZO_OS_EMX && defined(__RSXNT__)) || LZO_OS_WIN32 || LZO_OS_WIN64)
#  if (LZO_CC_WATCOMC && (__WATCOMC__ < 1000))
#  elif (LZO_OS_WIN32 && LZO_CC_GNUC) && defined(__PW32__)
#  elif ((LZO_OS_CYGWIN || defined(__MINGW32__)) && (LZO_CC_GNUC && (LZO_CC_GNUC < 0x025f00ul)))
#  else
#    define LZO_HAVE_WINDOWS_H 1
#  endif
#endif
#if (LZO_ARCH_ALPHA)
#  define LZO_OPT_AVOID_UINT_INDEX  1
#  define LZO_OPT_AVOID_SHORT       1
#  define LZO_OPT_AVOID_USHORT      1
#elif (LZO_ARCH_AMD64)
#  define LZO_OPT_AVOID_INT_INDEX   1
#  define LZO_OPT_AVOID_UINT_INDEX  1
#  define LZO_OPT_UNALIGNED16       1
#  define LZO_OPT_UNALIGNED32       1
#  define LZO_OPT_UNALIGNED64       1
#elif (LZO_ARCH_ARM && LZO_ARCH_ARM_THUMB)
#elif (LZO_ARCH_ARM)
#  define LZO_OPT_AVOID_SHORT       1
#  define LZO_OPT_AVOID_USHORT      1
#elif (LZO_ARCH_CRIS)
#  define LZO_OPT_UNALIGNED16       1
#  define LZO_OPT_UNALIGNED32       1
#elif (LZO_ARCH_I386)
#  define LZO_OPT_UNALIGNED16       1
#  define LZO_OPT_UNALIGNED32       1
#elif (LZO_ARCH_IA64)
#  define LZO_OPT_AVOID_INT_INDEX   1
#  define LZO_OPT_AVOID_UINT_INDEX  1
#  define LZO_OPT_PREFER_POSTINC    1
#elif (LZO_ARCH_M68K)
#  define LZO_OPT_PREFER_POSTINC    1
#  define LZO_OPT_PREFER_PREDEC     1
#  if defined(__mc68020__) && !defined(__mcoldfire__)
#    define LZO_OPT_UNALIGNED16     1
#    define LZO_OPT_UNALIGNED32     1
#  endif
#elif (LZO_ARCH_MIPS)
#  define LZO_OPT_AVOID_UINT_INDEX  1
#elif (LZO_ARCH_POWERPC)
#  define LZO_OPT_PREFER_PREINC     1
#  define LZO_OPT_PREFER_PREDEC     1
#  if defined(LZO_ABI_BIG_ENDIAN)
#    define LZO_OPT_UNALIGNED16     1
#    define LZO_OPT_UNALIGNED32     1
#  endif
#elif (LZO_ARCH_S390)
#  define LZO_OPT_UNALIGNED16       1
#  define LZO_OPT_UNALIGNED32       1
#  if (LZO_SIZEOF_SIZE_T == 8)
#    define LZO_OPT_UNALIGNED64     1
#  endif
#elif (LZO_ARCH_SH)
#  define LZO_OPT_PREFER_POSTINC    1
#  define LZO_OPT_PREFER_PREDEC     1
#endif
#if !defined(LZO_CFG_NO_INLINE_ASM)
#if defined(LZO_CC_LLVM)
#  define LZO_CFG_NO_INLINE_ASM 1
#endif
#endif
#if !defined(LZO_CFG_NO_UNALIGNED)
#if defined(LZO_ABI_NEUTRAL_ENDIAN) || defined(LZO_ARCH_GENERIC)
#  define LZO_CFG_NO_UNALIGNED 1
#endif
#endif
#if defined(LZO_CFG_NO_UNALIGNED)
#  undef LZO_OPT_UNALIGNED16
#  undef LZO_OPT_UNALIGNED32
#  undef LZO_OPT_UNALIGNED64
#endif
#if defined(LZO_CFG_NO_INLINE_ASM)
#elif (LZO_ARCH_I386 && (LZO_OS_DOS32 || LZO_OS_WIN32) && (LZO_CC_DMC || LZO_CC_INTELC || LZO_CC_MSC || LZO_CC_PELLESC))
#  define LZO_ASM_SYNTAX_MSC 1
#elif (LZO_OS_WIN64 && (LZO_CC_DMC || LZO_CC_INTELC || LZO_CC_MSC || LZO_CC_PELLESC))
#elif (LZO_ARCH_I386 && (LZO_CC_GNUC || LZO_CC_INTELC || LZO_CC_PATHSCALE))
#  define LZO_ASM_SYNTAX_GNUC 1
#elif (LZO_ARCH_AMD64 && (LZO_CC_GNUC || LZO_CC_INTELC || LZO_CC_PATHSCALE))
#  define LZO_ASM_SYNTAX_GNUC 1
#endif
#if (LZO_ASM_SYNTAX_GNUC)
#if (LZO_ARCH_I386 && LZO_CC_GNUC && (LZO_CC_GNUC < 0x020000ul))
#  define __LZO_ASM_CLOBBER         "ax"
#elif (LZO_CC_INTELC)
#  define __LZO_ASM_CLOBBER         "memory"
#else
#  define __LZO_ASM_CLOBBER         "cc", "memory"
#endif
#endif
#if defined(__LZO_INFOSTR_MM)
#elif (LZO_MM_FLAT) && (defined(__LZO_INFOSTR_PM) || defined(LZO_INFO_ABI_PM))
#  define __LZO_INFOSTR_MM          ""
#elif defined(LZO_INFO_MM)
#  define __LZO_INFOSTR_MM          "." LZO_INFO_MM
#else
#  define __LZO_INFOSTR_MM          ""
#endif
#if defined(__LZO_INFOSTR_PM)
#elif defined(LZO_INFO_ABI_PM)
#  define __LZO_INFOSTR_PM          "." LZO_INFO_ABI_PM
#else
#  define __LZO_INFOSTR_PM          ""
#endif
#if defined(__LZO_INFOSTR_ENDIAN)
#elif defined(LZO_INFO_ABI_ENDIAN)
#  define __LZO_INFOSTR_ENDIAN      "." LZO_INFO_ABI_ENDIAN
#else
#  define __LZO_INFOSTR_ENDIAN      ""
#endif
#if defined(__LZO_INFOSTR_OSNAME)
#elif defined(LZO_INFO_OS_CONSOLE)
#  define __LZO_INFOSTR_OSNAME      LZO_INFO_OS "." LZO_INFO_OS_CONSOLE
#elif defined(LZO_INFO_OS_POSIX)
#  define __LZO_INFOSTR_OSNAME      LZO_INFO_OS "." LZO_INFO_OS_POSIX
#else
#  define __LZO_INFOSTR_OSNAME      LZO_INFO_OS
#endif
#if defined(__LZO_INFOSTR_LIBC)
#elif defined(LZO_INFO_LIBC)
#  define __LZO_INFOSTR_LIBC        "." LZO_INFO_LIBC
#else
#  define __LZO_INFOSTR_LIBC        ""
#endif
#if defined(__LZO_INFOSTR_CCVER)
#elif defined(LZO_INFO_CCVER)
#  define __LZO_INFOSTR_CCVER       " " LZO_INFO_CCVER
#else
#  define __LZO_INFOSTR_CCVER       ""
#endif
#define LZO_INFO_STRING \
    LZO_INFO_ARCH __LZO_INFOSTR_MM __LZO_INFOSTR_PM __LZO_INFOSTR_ENDIAN \
    " " __LZO_INFOSTR_OSNAME __LZO_INFOSTR_LIBC " " LZO_INFO_CC __LZO_INFOSTR_CCVER

#endif /* already included */

/* vim:set ts=4 et: */