files/doxygen/luaconf_8h_source.html

 /*

 ** $Id: luaconf.h,v 1.259.1.1 2017/04/19 17:29:57 roberto Exp $

 ** Configuration file for Lua

 ** See Copyright Notice in lua.h

 */


 #ifndef luaconf_h

 #define luaconf_h


 #include <limits.h>

 #include <stddef.h>


 /*

 ** ===================================================================

 ** Search for "@@" to find all configurable definitions.

 ** ===================================================================

 */


 /*

 ** {====================================================================

 ** System Configuration: macros to adapt (if needed) Lua to some

 ** particular platform, for instance compiling it with 32-bit numbers or

 ** restricting it to C89.

 ** =====================================================================

 */


 /*

 @@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You

 ** can also define LUA_32BITS in the make file, but changing here you

 ** ensure that all software connected to Lua will be compiled with the

 ** same configuration.

 */

 /* #define LUA_32BITS */


 /*

 @@ LUA_USE_C89 controls the use of non-ISO-C89 features.

 ** Define it if you want Lua to avoid the use of a few C99 features

 ** or Windows-specific features on Windows.

 */

 /* #define LUA_USE_C89 */


 /*

 ** By default, Lua on Windows use (some) specific Windows features

 */

 #if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE)

 #define LUA_USE_WINDOWS  /* enable goodies for regular Windows */

 #endif


 #if defined(LUA_USE_WINDOWS)

 #define LUA_DL_DLL      /* enable support for DLL */

 #define LUA_USE_C89     /* broadly, Windows is C89 */

 #endif


 #if defined(LUA_USE_LINUX)

 #define LUA_USE_POSIX

 #define LUA_USE_DLOPEN          /* needs an extra library: -ldl */

 #define LUA_USE_READLINE        /* needs some extra libraries */

 #endif


 #if defined(LUA_USE_MACOSX)

 #define LUA_USE_POSIX

 #define LUA_USE_DLOPEN          /* MacOS does not need -ldl */

 #define LUA_USE_READLINE        /* needs an extra library: -lreadline */

 #endif


 /*

 @@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for

 ** C89 ('long' and 'double'); Windows always has '__int64', so it does

 ** not need to use this case.

 */

 #if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS)

 #define LUA_C89_NUMBERS

 #endif


 /*

 @@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'.

 */

 /* avoid undefined shifts */

 #if ((INT_MAX >> 15) >> 15) >= 1

 #define LUAI_BITSINT    32

 #else

 /* 'int' always must have at least 16 bits */

 #define LUAI_BITSINT    16

 #endif


 /*

 @@ LUA_INT_TYPE defines the type for Lua integers.

 @@ LUA_FLOAT_TYPE defines the type for Lua floats.

 ** Lua should work fine with any mix of these options (if supported

 ** by your C compiler). The usual configurations are 64-bit integers

 ** and 'double' (the default), 32-bit integers and 'float' (for

 ** restricted platforms), and 'long'/'double' (for C compilers not

 ** compliant with C99, which may not have support for 'long long').

 */


 /* predefined options for LUA_INT_TYPE */

 #define LUA_INT_INT             1

 #define LUA_INT_LONG            2

 #define LUA_INT_LONGLONG        3


 /* predefined options for LUA_FLOAT_TYPE */

 #define LUA_FLOAT_FLOAT         1

 #define LUA_FLOAT_DOUBLE        2

 #define LUA_FLOAT_LONGDOUBLE    3


 #if defined(LUA_32BITS)         /* { */

 /*

 ** 32-bit integers and 'float'

 */

 #if LUAI_BITSINT >= 32  /* use 'int' if big enough */

 #define LUA_INT_TYPE    LUA_INT_INT

 #else  /* otherwise use 'long' */

 #define LUA_INT_TYPE    LUA_INT_LONG

 #endif

 #define LUA_FLOAT_TYPE  LUA_FLOAT_FLOAT


 #elif defined(LUA_C89_NUMBERS)  /* }{ */

 /*

 ** largest types available for C89 ('long' and 'double')

 */

 #define LUA_INT_TYPE    LUA_INT_LONG

 #define LUA_FLOAT_TYPE  LUA_FLOAT_DOUBLE


 #endif                          /* } */


 /*

 ** default configuration for 64-bit Lua ('long long' and 'double')

 */

 #if !defined(LUA_INT_TYPE)

 #define LUA_INT_TYPE    LUA_INT_LONGLONG

 #endif


 #if !defined(LUA_FLOAT_TYPE)

 #define LUA_FLOAT_TYPE  LUA_FLOAT_DOUBLE

 #endif


 /* }================================================================== */


 /*

 ** {==================================================================

 ** Configuration for Paths.

 ** ===================================================================

 */


 /*

 ** LUA_PATH_SEP is the character that separates templates in a path.

 ** LUA_PATH_MARK is the string that marks the substitution points in a

 ** template.

 ** LUA_EXEC_DIR in a Windows path is replaced by the executable's

 ** directory.

 */

 #define LUA_PATH_SEP            ";"

 #define LUA_PATH_MARK           "?"

 #define LUA_EXEC_DIR            "!"


 /*

 @@ LUA_PATH_DEFAULT is the default path that Lua uses to look for

 ** Lua libraries.

 @@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for

 ** C libraries.

 ** CHANGE them if your machine has a non-conventional directory

 ** hierarchy or if you want to install your libraries in

 ** non-conventional directories.

 */

 #define LUA_VDIR        LUA_VERSION_MAJOR "." LUA_VERSION_MINOR

 #if defined(_WIN32)     /* { */

 /*

 ** In Windows, any exclamation mark ('!') in the path is replaced by the

 ** path of the directory of the executable file of the current process.

 */

 #define LUA_LDIR        "!\\lua\\"

 #define LUA_CDIR        "!\\"

 #define LUA_SHRDIR      "!\\..\\share\\lua\\" LUA_VDIR "\\"

 #define LUA_PATH_DEFAULT  \

                 LUA_LDIR"?.lua;"  LUA_LDIR"?\\init.lua;" \

                 LUA_CDIR"?.lua;"  LUA_CDIR"?\\init.lua;" \

                 LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \

                 ".\\?.lua;" ".\\?\\init.lua"

 #define LUA_CPATH_DEFAULT \

                 LUA_CDIR"?.dll;" \

                 LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \

                 LUA_CDIR"loadall.dll;" ".\\?.dll"


 #else                   /* }{ */


 #define LUA_ROOT        "/usr/local/"

 #define LUA_LDIR        LUA_ROOT "share/lua/" LUA_VDIR "/"

 #define LUA_CDIR        LUA_ROOT "lib/lua/" LUA_VDIR "/"

 #define LUA_PATH_DEFAULT  \

                 LUA_LDIR"?.lua;"  LUA_LDIR"?/init.lua;" \

                 LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua;" \

                 "./?.lua;" "./?/init.lua"

 #define LUA_CPATH_DEFAULT \

                 LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so"

 #endif                  /* } */


 /*

 @@ LUA_DIRSEP is the directory separator (for submodules).

 ** CHANGE it if your machine does not use "/" as the directory separator

 ** and is not Windows. (On Windows Lua automatically uses "\".)

 */

 #if defined(_WIN32)

 #define LUA_DIRSEP      "\\"

 #else

 #define LUA_DIRSEP      "/"

 #endif


 /* }================================================================== */


 /*

 ** {==================================================================

 ** Marks for exported symbols in the C code

 ** ===================================================================

 */


 /*

 @@ LUA_API is a mark for all core API functions.

 @@ LUALIB_API is a mark for all auxiliary library functions.

 @@ LUAMOD_API is a mark for all standard library opening functions.

 ** CHANGE them if you need to define those functions in some special way.

 ** For instance, if you want to create one Windows DLL with the core and

 ** the libraries, you may want to use the following definition (define

 ** LUA_BUILD_AS_DLL to get it).

 */

 #if defined(LUA_BUILD_AS_DLL)   /* { */


 #if defined(LUA_CORE) || defined(LUA_LIB)       /* { */

 #define LUA_API __declspec(dllexport)

 #else                                           /* }{ */

 #define LUA_API __declspec(dllimport)

 #endif                                          /* } */


 #else                           /* }{ */


 #define LUA_API         extern


 #endif                          /* } */


 /* more often than not the libs go together with the core */

 #define LUALIB_API      LUA_API

 #define LUAMOD_API      LUALIB_API


 /*

 @@ LUAI_FUNC is a mark for all extern functions that are not to be

 ** exported to outside modules.

 @@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables

 ** that are not to be exported to outside modules (LUAI_DDEF for

 ** definitions and LUAI_DDEC for declarations).

 ** CHANGE them if you need to mark them in some special way. Elf/gcc

 ** (versions 3.2 and later) mark them as "hidden" to optimize access

 ** when Lua is compiled as a shared library. Not all elf targets support

 ** this attribute. Unfortunately, gcc does not offer a way to check

 ** whether the target offers that support, and those without support

 ** give a warning about it. To avoid these warnings, change to the

 ** default definition.

 */

 #if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \

     defined(__ELF__)            /* { */

 #define LUAI_FUNC       __attribute__((visibility("hidden"))) extern

 #else                           /* }{ */

 #define LUAI_FUNC       extern

 #endif                          /* } */


 #define LUAI_DDEC       LUAI_FUNC

 #define LUAI_DDEF       /* empty */


 /* }================================================================== */


 /*

 ** {==================================================================

 ** Compatibility with previous versions

 ** ===================================================================

 */


 /*

 @@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2.

 @@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1.

 ** You can define it to get all options, or change specific options

 ** to fit your specific needs.

 */

 #if defined(LUA_COMPAT_5_2)     /* { */


 /*

 @@ LUA_COMPAT_MATHLIB controls the presence of several deprecated

 ** functions in the mathematical library.

 */

 #define LUA_COMPAT_MATHLIB


 /*

 @@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'.

 */

 #define LUA_COMPAT_BITLIB


 /*

 @@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod.

 */

 #define LUA_COMPAT_IPAIRS


 /*

 @@ LUA_COMPAT_APIINTCASTS controls the presence of macros for

 ** manipulating other integer types (lua_pushunsigned, lua_tounsigned,

 ** luaL_checkint, luaL_checklong, etc.)

 */

 #define LUA_COMPAT_APIINTCASTS


 #endif                          /* } */


 #if defined(LUA_COMPAT_5_1)     /* { */


 /* Incompatibilities from 5.2 -> 5.3 */

 #define LUA_COMPAT_MATHLIB

 #define LUA_COMPAT_APIINTCASTS


 /*

 @@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'.

 ** You can replace it with 'table.unpack'.

 */

 #define LUA_COMPAT_UNPACK


 /*

 @@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'.

 ** You can replace it with 'package.searchers'.

 */

 #define LUA_COMPAT_LOADERS


 /*

 @@ macro 'lua_cpcall' emulates deprecated function lua_cpcall.

 ** You can call your C function directly (with light C functions).

 */

 #define lua_cpcall(L,f,u)  \

         (lua_pushcfunction(L, (f)), \

          lua_pushlightuserdata(L,(u)), \

          lua_pcall(L,1,0,0))


 /*

 @@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library.

 ** You can rewrite 'log10(x)' as 'log(x, 10)'.

 */

 #define LUA_COMPAT_LOG10


 /*

 @@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base

 ** library. You can rewrite 'loadstring(s)' as 'load(s)'.

 */

 #define LUA_COMPAT_LOADSTRING


 /*

 @@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library.

 */

 #define LUA_COMPAT_MAXN


 /*

 @@ The following macros supply trivial compatibility for some

 ** changes in the API. The macros themselves document how to

 ** change your code to avoid using them.

 */

 #define lua_strlen(L,i)         lua_rawlen(L, (i))


 #define lua_objlen(L,i)         lua_rawlen(L, (i))


 #define lua_equal(L,idx1,idx2)          lua_compare(L,(idx1),(idx2),LUA_OPEQ)

 #define lua_lessthan(L,idx1,idx2)       lua_compare(L,(idx1),(idx2),LUA_OPLT)


 /*

 @@ LUA_COMPAT_MODULE controls compatibility with previous

 ** module functions 'module' (Lua) and 'luaL_register' (C).

 */

 #define LUA_COMPAT_MODULE


 #endif                          /* } */


 /*

 @@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a

 @@ a float mark ('.0').

 ** This macro is not on by default even in compatibility mode,

 ** because this is not really an incompatibility.

 */

 /* #define LUA_COMPAT_FLOATSTRING */


 /* }================================================================== */


 /*

 ** {==================================================================

 ** Configuration for Numbers.

 ** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_*

 ** satisfy your needs.

 ** ===================================================================

 */


 /*

 @@ LUA_NUMBER is the floating-point type used by Lua.

 @@ LUAI_UACNUMBER is the result of a 'default argument promotion'

 @@ over a floating number.

 @@ l_mathlim(x) corrects limit name 'x' to the proper float type

 ** by prefixing it with one of FLT/DBL/LDBL.

 @@ LUA_NUMBER_FRMLEN is the length modifier for writing floats.

 @@ LUA_NUMBER_FMT is the format for writing floats.

 @@ lua_number2str converts a float to a string.

 @@ l_mathop allows the addition of an 'l' or 'f' to all math operations.

 @@ l_floor takes the floor of a float.

 @@ lua_str2number converts a decimal numeric string to a number.

 */


 /* The following definitions are good for most cases here */


 #define l_floor(x)              (l_mathop(floor)(x))


 #define lua_number2str(s,sz,n)  \

         l_sprintf((s), sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)(n))


 /*

 @@ lua_numbertointeger converts a float number to an integer, or

 ** returns 0 if float is not within the range of a lua_Integer.

 ** (The range comparisons are tricky because of rounding. The tests

 ** here assume a two-complement representation, where MININTEGER always

 ** has an exact representation as a float; MAXINTEGER may not have one,

 ** and therefore its conversion to float may have an ill-defined value.)

 */

 #define lua_numbertointeger(n,p) \

   ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \

    (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \

       (*(p) = (LUA_INTEGER)(n), 1))


 /* now the variable definitions */


 #if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT           /* { single float */


 #define LUA_NUMBER      float


 #define l_mathlim(n)            (FLT_##n)


 #define LUAI_UACNUMBER  double


 #define LUA_NUMBER_FRMLEN       ""

 #define LUA_NUMBER_FMT          "%.7g"


 #define l_mathop(op)            op##f


 #define lua_str2number(s,p)     strtof((s), (p))


 #elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE    /* }{ long double */


 #define LUA_NUMBER      long double


 #define l_mathlim(n)            (LDBL_##n)


 #define LUAI_UACNUMBER  long double


 #define LUA_NUMBER_FRMLEN       "L"

 #define LUA_NUMBER_FMT          "%.19Lg"


 #define l_mathop(op)            op##l


 #define lua_str2number(s,p)     strtold((s), (p))


 #elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE        /* }{ double */


 #define LUA_NUMBER      double


 #define l_mathlim(n)            (DBL_##n)


 #define LUAI_UACNUMBER  double


 #define LUA_NUMBER_FRMLEN       ""

 #define LUA_NUMBER_FMT          "%.14g"


 #define l_mathop(op)            op


 #define lua_str2number(s,p)     strtod((s), (p))


 #else                                           /* }{ */


 #error "numeric float type not defined"


 #endif                                  /* } */


 /*

 @@ LUA_INTEGER is the integer type used by Lua.

 **

 @@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER.

 **

 @@ LUAI_UACINT is the result of a 'default argument promotion'

 @@ over a lUA_INTEGER.

 @@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers.

 @@ LUA_INTEGER_FMT is the format for writing integers.

 @@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER.

 @@ LUA_MININTEGER is the minimum value for a LUA_INTEGER.

 @@ lua_integer2str converts an integer to a string.

 */


 /* The following definitions are good for most cases here */


 #define LUA_INTEGER_FMT         "%" LUA_INTEGER_FRMLEN "d"


 #define LUAI_UACINT             LUA_INTEGER


 #define lua_integer2str(s,sz,n)  \

         l_sprintf((s), sz, LUA_INTEGER_FMT, (LUAI_UACINT)(n))


 /*

 ** use LUAI_UACINT here to avoid problems with promotions (which

 ** can turn a comparison between unsigneds into a signed comparison)

 */

 #define LUA_UNSIGNED            unsigned LUAI_UACINT


 /* now the variable definitions */


 #if LUA_INT_TYPE == LUA_INT_INT         /* { int */


 #define LUA_INTEGER             int

 #define LUA_INTEGER_FRMLEN      ""


 #define LUA_MAXINTEGER          INT_MAX

 #define LUA_MININTEGER          INT_MIN


 #elif LUA_INT_TYPE == LUA_INT_LONG      /* }{ long */


 #define LUA_INTEGER             long

 #define LUA_INTEGER_FRMLEN      "l"


 #define LUA_MAXINTEGER          LONG_MAX

 #define LUA_MININTEGER          LONG_MIN


 #elif LUA_INT_TYPE == LUA_INT_LONGLONG  /* }{ long long */


 /* use presence of macro LLONG_MAX as proxy for C99 compliance */

 #if defined(LLONG_MAX)          /* { */

 /* use ISO C99 stuff */


 #define LUA_INTEGER             long long

 #define LUA_INTEGER_FRMLEN      "ll"


 #define LUA_MAXINTEGER          LLONG_MAX

 #define LUA_MININTEGER          LLONG_MIN


 #elif defined(LUA_USE_WINDOWS) /* }{ */

 /* in Windows, can use specific Windows types */


 #define LUA_INTEGER             __int64

 #define LUA_INTEGER_FRMLEN      "I64"


 #define LUA_MAXINTEGER          _I64_MAX

 #define LUA_MININTEGER          _I64_MIN


 #else                           /* }{ */


 #error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \

   or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)"


 #endif                          /* } */


 #else                           /* }{ */


 #error "numeric integer type not defined"


 #endif                          /* } */


 /* }================================================================== */


 /*

 ** {==================================================================

 ** Dependencies with C99 and other C details

 ** ===================================================================

 */


 /*

 @@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89.

 ** (All uses in Lua have only one format item.)

 */

 #if !defined(LUA_USE_C89)

 #define l_sprintf(s,sz,f,i)     snprintf(s,sz,f,i)

 #else

 #define l_sprintf(s,sz,f,i)     ((void)(sz), sprintf(s,f,i))

 #endif


 /*

 @@ lua_strx2number converts an hexadecimal numeric string to a number.

 ** In C99, 'strtod' does that conversion. Otherwise, you can

 ** leave 'lua_strx2number' undefined and Lua will provide its own

 ** implementation.

 */

 #if !defined(LUA_USE_C89)

 #define lua_strx2number(s,p)            lua_str2number(s,p)

 #endif


 /*

 @@ lua_pointer2str converts a pointer to a readable string in a

 ** non-specified way.

 */

 #define lua_pointer2str(buff,sz,p)      l_sprintf(buff,sz,"%p",p)


 /*

 @@ lua_number2strx converts a float to an hexadecimal numeric string.

 ** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that.

 ** Otherwise, you can leave 'lua_number2strx' undefined and Lua will

 ** provide its own implementation.

 */

 #if !defined(LUA_USE_C89)

 #define lua_number2strx(L,b,sz,f,n)  \

         ((void)L, l_sprintf(b,sz,f,(LUAI_UACNUMBER)(n)))

 #endif


 /*

 ** 'strtof' and 'opf' variants for math functions are not valid in

 ** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the

 ** availability of these variants. ('math.h' is already included in

 ** all files that use these macros.)

 */

 #if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF))

 #undef l_mathop  /* variants not available */

 #undef lua_str2number

 #define l_mathop(op)            (lua_Number)op  /* no variant */

 #define lua_str2number(s,p)     ((lua_Number)strtod((s), (p)))

 #endif


 /*

 @@ LUA_KCONTEXT is the type of the context ('ctx') for continuation

 ** functions.  It must be a numerical type; Lua will use 'intptr_t' if

 ** available, otherwise it will use 'ptrdiff_t' (the nearest thing to

 ** 'intptr_t' in C89)

 */

 #define LUA_KCONTEXT    ptrdiff_t


 #if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \

     __STDC_VERSION__ >= 199901L

 #include <stdint.h>

 #if defined(INTPTR_MAX)  /* even in C99 this type is optional */

 #undef LUA_KCONTEXT

 #define LUA_KCONTEXT    intptr_t

 #endif

 #endif


 /*

 @@ lua_getlocaledecpoint gets the locale "radix character" (decimal point).

 ** Change that if you do not want to use C locales. (Code using this

 ** macro must include header 'locale.h'.)

 */

 #if !defined(lua_getlocaledecpoint)

 #define lua_getlocaledecpoint()         (localeconv()->decimal_point[0])

 #endif


 /* }================================================================== */


 /*

 ** {==================================================================

 ** Language Variations

 ** =====================================================================

 */


 /*

 @@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some

 ** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from

 ** numbers to strings. Define LUA_NOCVTS2N to turn off automatic

 ** coercion from strings to numbers.

 */

 /* #define LUA_NOCVTN2S */

 /* #define LUA_NOCVTS2N */


 /*

 @@ LUA_USE_APICHECK turns on several consistency checks on the C API.

 ** Define it as a help when debugging C code.

 */

 #if defined(LUA_USE_APICHECK)

 #include <assert.h>

 #define luai_apicheck(l,e)      assert(e)

 #endif


 /* }================================================================== */


 /*

 ** {==================================================================

 ** Macros that affect the API and must be stable (that is, must be the

 ** same when you compile Lua and when you compile code that links to

 ** Lua). You probably do not want/need to change them.

 ** =====================================================================

 */


 /*

 @@ LUAI_MAXSTACK limits the size of the Lua stack.

 ** CHANGE it if you need a different limit. This limit is arbitrary;

 ** its only purpose is to stop Lua from consuming unlimited stack

 ** space (and to reserve some numbers for pseudo-indices).

 */

 #if LUAI_BITSINT >= 32

 #define LUAI_MAXSTACK           1000000

 #else

 #define LUAI_MAXSTACK           15000

 #endif


 /*

 @@ LUA_EXTRASPACE defines the size of a raw memory area associated with

 ** a Lua state with very fast access.

 ** CHANGE it if you need a different size.

 */

 #define LUA_EXTRASPACE          (sizeof(void *))


 /*

 @@ LUA_IDSIZE gives the maximum size for the description of the source

 @@ of a function in debug information.

 ** CHANGE it if you want a different size.

 */

 #define LUA_IDSIZE      60


 /*

 @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.

 ** CHANGE it if it uses too much C-stack space. (For long double,

 ** 'string.format("%.99f", -1e4932)' needs 5034 bytes, so a

 ** smaller buffer would force a memory allocation for each call to

 ** 'string.format'.)

 */

 #if LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE

 #define LUAL_BUFFERSIZE         8192

 #else

 #define LUAL_BUFFERSIZE   ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer)))

 #endif


 /* }================================================================== */


 /*

 @@ LUA_QL describes how error messages quote program elements.

 ** Lua does not use these macros anymore; they are here for

 ** compatibility only.

 */

 #define LUA_QL(x)       "'" x "'"

 #define LUA_QS          LUA_QL("%s")


 /* =================================================================== */


 /*

 ** Local configuration. You can use this space to add your redefinitions

 ** without modifying the main part of the file.

 */


 #endif


assert.h