/*

 ** $Id: luaconf.h,v 1.82.1.7 2008/02/11 16:25:08 roberto Exp $

 ** Configuration file for Lua

 ** See Copyright Notice in lua.h

 */

 

 

 #ifndef lconfig_h

 #define lconfig_h

 

 #include <limits.h>

 #include <stddef.h>

 

 

 /*

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

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

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

 */

 

 

 /*

 @@ LUA_ANSI controls the use of non-ansi features.

 ** CHANGE it (define it) if you want Lua to avoid the use of any

 ** non-ansi feature or library.

 */

 #if defined(__STRICT_ANSI__)

 #define LUA_ANSI

 #endif

 

 

 #if !defined(LUA_ANSI) && defined(_WIN32)

 #define LUA_WIN

 #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_DL_DYLD		/* does not need extra library */

 #endif

 

 

 

 /*

 @@ LUA_USE_POSIX includes all functionallity listed as X/Open System

 @* Interfaces Extension (XSI).

 ** CHANGE it (define it) if your system is XSI compatible.

 */

 #if defined(LUA_USE_POSIX)

 #define LUA_USE_MKSTEMP

 #define LUA_USE_ISATTY

 #define LUA_USE_POPEN

 #define LUA_USE_ULONGJMP

 #endif

 

 

 /*

 @@ LUA_PATH and LUA_CPATH are the names of the environment variables that

 @* Lua check to set its paths.

 @@ LUA_INIT is the name of the environment variable that Lua

 @* checks for initialization code.

 ** CHANGE them if you want different names.

 */

 #define LUA_PATH        "LUA_PATH"

 #define LUA_CPATH       "LUA_CPATH"

 #define LUA_INIT	"LUA_INIT"

 

 

 /*

 @@ 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.

 */

 #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_PATH_DEFAULT  \

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

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

 #define LUA_CPATH_DEFAULT \

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

 

 #else

 #define LUA_ROOT	"/usr/local/"

 #define LUA_LDIR	LUA_ROOT "share/lua/5.1/"

 #define LUA_CDIR	LUA_ROOT "lib/lua/5.1/"

 #define LUA_PATH_DEFAULT  \

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

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

 #define LUA_CPATH_DEFAULT \

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

 

 

 /*

 @@ LUA_PATHSEP is the character that separates templates in a path.

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

 @* template.

 @@ LUA_EXECDIR in a Windows path is replaced by the executable's

 @* directory.

 @@ LUA_IGMARK is a mark to ignore all before it when bulding the

 @* luaopen_ function name.

 ** CHANGE them if for some reason your system cannot use those

 ** characters. (E.g., if one of those characters is a common character

 ** in file/directory names.) Probably you do not need to change them.

 */

 #define LUA_PATHSEP	";"

 #define LUA_PATH_MARK	"?"

 #define LUA_EXECDIR	"!"

 #define LUA_IGMARK	"-"

 

 

 /*

 @@ LUA_INTEGER is the integral type used by lua_pushinteger/lua_tointeger.

 ** CHANGE that if ptrdiff_t is not adequate on your machine. (On most

 ** machines, ptrdiff_t gives a good choice between int or long.)

 */

 #define LUA_INTEGER	ptrdiff_t

 

 

 /*

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

 @@ LUALIB_API is a mark for all standard library 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

 

 

 /*

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

 @* exported to outside modules.

 @@ LUAI_DATA is a mark for all extern (const) variables that are not to

 @* be exported to outside modules.

 ** 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.

 */

 #if defined(luaall_c)

 #define LUAI_FUNC	static

 #define LUAI_DATA	/* empty */

 

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

       defined(__ELF__)

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

 #define LUAI_DATA	LUAI_FUNC

 

 #else

 #define LUAI_FUNC	extern

 #define LUAI_DATA	extern

 #endif

 

 

 

 /*

 @@ LUA_QL describes how error messages quote program elements.

 ** CHANGE it if you want a different appearance.

 */

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

 #define LUA_QS		LUA_QL("%s")

 

 

 /*

 @@ 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

 

 

 /*

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

 ** Stand-alone configuration

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

 */

 

 #if defined(lua_c) || defined(luaall_c)

 

 /*

 @@ lua_stdin_is_tty detects whether the standard input is a 'tty' (that

 @* is, whether we're running lua interactively).

 ** CHANGE it if you have a better definition for non-POSIX/non-Windows

 ** systems.

 */

 #if defined(LUA_USE_ISATTY)

 #include <unistd.h>

 #define lua_stdin_is_tty()	isatty(0)

 #elif defined(LUA_WIN)

 #include <io.h>

 #include <stdio.h>

 #define lua_stdin_is_tty()	_isatty(_fileno(stdin))

 #else

 #define lua_stdin_is_tty()	1  /* assume stdin is a tty */

 #endif

 

 

 /*

 @@ LUA_PROMPT is the default prompt used by stand-alone Lua.

 @@ LUA_PROMPT2 is the default continuation prompt used by stand-alone Lua.

 ** CHANGE them if you want different prompts. (You can also change the

 ** prompts dynamically, assigning to globals _PROMPT/_PROMPT2.)

 */

 #define LUA_PROMPT		"> "

 #define LUA_PROMPT2		">> "

 

 

 /*

 @@ LUA_PROGNAME is the default name for the stand-alone Lua program.

 ** CHANGE it if your stand-alone interpreter has a different name and

 ** your system is not able to detect that name automatically.

 */

 #define LUA_PROGNAME		"lua"

 

 

 /*

 @@ LUA_MAXINPUT is the maximum length for an input line in the

 @* stand-alone interpreter.

 ** CHANGE it if you need longer lines.

 */

 #define LUA_MAXINPUT	512

 

 

 /*

 @@ lua_readline defines how to show a prompt and then read a line from

 @* the standard input.

 @@ lua_saveline defines how to "save" a read line in a "history".

 @@ lua_freeline defines how to free a line read by lua_readline.

 ** CHANGE them if you want to improve this functionality (e.g., by using

 ** GNU readline and history facilities).

 */

 #if defined(LUA_USE_READLINE)

 #include <stdio.h>

 #include <readline/readline.h>

 #include <readline/history.h>

 #define lua_readline(L,b,p)	((void)L, ((b)=readline(p)) != NULL)

 #define lua_saveline(L,idx) \

 	if (lua_strlen(L,idx) > 0)  /* non-empty line? */ \

 	  add_history(lua_tostring(L, idx));  /* add it to history */

 #define lua_freeline(L,b)	((void)L, free(b))

 #else

 #define lua_readline(L,b,p)	\

 	((void)L, fputs(p, stdout), fflush(stdout),  /* show prompt */ \

 	fgets(b, LUA_MAXINPUT, stdin) != NULL)  /* get line */

 #define lua_saveline(L,idx)	{ (void)L; (void)idx; }

 #define lua_freeline(L,b)	{ (void)L; (void)b; }

 #endif

 

 #endif

 

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

 

 

 /*

 @@ LUAI_GCPAUSE defines the default pause between garbage-collector cycles

 @* as a percentage.

 ** CHANGE it if you want the GC to run faster or slower (higher values

 ** mean larger pauses which mean slower collection.) You can also change

 ** this value dynamically.

 */

 #define LUAI_GCPAUSE	200  /* 200% (wait memory to double before next GC) */

 

 

 /*

 @@ LUAI_GCMUL defines the default speed of garbage collection relative to

 @* memory allocation as a percentage.

 ** CHANGE it if you want to change the granularity of the garbage

 ** collection. (Higher values mean coarser collections. 0 represents

 ** infinity, where each step performs a full collection.) You can also

 ** change this value dynamically.

 */

 #define LUAI_GCMUL	200 /* GC runs 'twice the speed' of memory allocation */

 

 

 

 /*

 @@ LUA_COMPAT_GETN controls compatibility with old getn behavior.

 ** CHANGE it (define it) if you want exact compatibility with the

 ** behavior of setn/getn in Lua 5.0.

 */

 #undef LUA_COMPAT_GETN

 

 /*

 @@ LUA_COMPAT_LOADLIB controls compatibility about global loadlib.

 ** CHANGE it to undefined as soon as you do not need a global 'loadlib'

 ** function (the function is still available as 'package.loadlib').

 */

 #undef LUA_COMPAT_LOADLIB

 

 /*

 @@ LUA_COMPAT_VARARG controls compatibility with old vararg feature.

 ** CHANGE it to undefined as soon as your programs use only '...' to

 ** access vararg parameters (instead of the old 'arg' table).

 */

 #define LUA_COMPAT_VARARG

 

 /*

 @@ LUA_COMPAT_MOD controls compatibility with old math.mod function.

 ** CHANGE it to undefined as soon as your programs use 'math.fmod' or

 ** the new '%' operator instead of 'math.mod'.

 */

 #define LUA_COMPAT_MOD

 

 /*

 @@ LUA_COMPAT_LSTR controls compatibility with old long string nesting

 @* facility.

 ** CHANGE it to 2 if you want the old behaviour, or undefine it to turn

 ** off the advisory error when nesting [[...]].

 */

 #define LUA_COMPAT_LSTR		1

 

 /*

 @@ LUA_COMPAT_GFIND controls compatibility with old 'string.gfind' name.

 ** CHANGE it to undefined as soon as you rename 'string.gfind' to

 ** 'string.gmatch'.

 */

 #define LUA_COMPAT_GFIND

 

 /*

 @@ LUA_COMPAT_OPENLIB controls compatibility with old 'luaL_openlib'

 @* behavior.

 ** CHANGE it to undefined as soon as you replace to 'luaL_register'

 ** your uses of 'luaL_openlib'

 */

 #define LUA_COMPAT_OPENLIB

 

 

 

 /*

 @@ luai_apicheck is the assert macro used by the Lua-C API.

 ** CHANGE luai_apicheck if you want Lua to perform some checks in the

 ** parameters it gets from API calls. This may slow down the interpreter

 ** a bit, but may be quite useful when debugging C code that interfaces

 ** with Lua. A useful redefinition is to use assert.h.

 */

 #if defined(LUA_USE_APICHECK)

 #include <assert.h>

 #define luai_apicheck(L,o)	{ (void)L; assert(o); }

 #else

 #define luai_apicheck(L,o)	{ (void)L; }

 #endif

 

 

 /*

 @@ LUAI_BITSINT defines the number of bits in an int.

 ** CHANGE here if Lua cannot automatically detect the number of bits of

 ** your machine. Probably you do not need to change this.

 */

 /* avoid overflows in comparison */

 #if INT_MAX-20 < 32760

 #define LUAI_BITSINT	16

 #elif INT_MAX > 2147483640L

 /* int has at least 32 bits */

 #define LUAI_BITSINT	32

 #else

 #error "you must define LUA_BITSINT with number of bits in an integer"

 #endif

 

 

 /*

 @@ LUAI_UINT32 is an unsigned integer with at least 32 bits.

 @@ LUAI_INT32 is an signed integer with at least 32 bits.

 @@ LUAI_UMEM is an unsigned integer big enough to count the total

 @* memory used by Lua.

 @@ LUAI_MEM is a signed integer big enough to count the total memory

 @* used by Lua.

 ** CHANGE here if for some weird reason the default definitions are not

 ** good enough for your machine. (The definitions in the 'else'

 ** part always works, but may waste space on machines with 64-bit

 ** longs.) Probably you do not need to change this.

 */

 #if LUAI_BITSINT >= 32

 #define LUAI_UINT32	unsigned int

 #define LUAI_INT32	int

 #define LUAI_MAXINT32	INT_MAX

 #define LUAI_UMEM	size_t

 #define LUAI_MEM	ptrdiff_t

 #else

 /* 16-bit ints */

 #define LUAI_UINT32	unsigned long

 #define LUAI_INT32	long

 #define LUAI_MAXINT32	LONG_MAX

 #define LUAI_UMEM	unsigned long

 #define LUAI_MEM	long

 #endif

 

 

 /*

 @@ LUAI_MAXCALLS limits the number of nested calls.

 ** CHANGE it if you need really deep recursive calls. This limit is

 ** arbitrary; its only purpose is to stop infinite recursion before

 ** exhausting memory.

 */

 #define LUAI_MAXCALLS	20000

 

 

 /*

 @@ LUAI_MAXCSTACK limits the number of Lua stack slots that a C function

 @* can use.

 ** CHANGE it if you need lots of (Lua) stack space for your C

 ** functions. This limit is arbitrary; its only purpose is to stop C

 ** functions to consume unlimited stack space. (must be smaller than

 ** -LUA_REGISTRYINDEX)

 */

 #define LUAI_MAXCSTACK	8000

 

 

 

 /*

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

 ** CHANGE (to smaller values) the following definitions if your system

 ** has a small C stack. (Or you may want to change them to larger

 ** values if your system has a large C stack and these limits are

 ** too rigid for you.) Some of these constants control the size of

 ** stack-allocated arrays used by the compiler or the interpreter, while

 ** others limit the maximum number of recursive calls that the compiler

 ** or the interpreter can perform. Values too large may cause a C stack

 ** overflow for some forms of deep constructs.

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

 */

 

 

 /*

 @@ LUAI_MAXCCALLS is the maximum depth for nested C calls (short) and

 @* syntactical nested non-terminals in a program.

 */

 #define LUAI_MAXCCALLS		200

 

 

 /*

 @@ LUAI_MAXVARS is the maximum number of local variables per function

 @* (must be smaller than 250).

 */

 #define LUAI_MAXVARS		200

 

 

 /*

 @@ LUAI_MAXUPVALUES is the maximum number of upvalues per function

 @* (must be smaller than 250).

 */

 #define LUAI_MAXUPVALUES	60

 

 

 /*

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

 */

 #define LUAL_BUFFERSIZE		BUFSIZ

 

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

 

 

 

 

 /*

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

 @@ LUA_NUMBER is the type of numbers in Lua.

 ** CHANGE the following definitions only if you want to build Lua

 ** with a number type different from double. You may also need to

 ** change lua_number2int & lua_number2integer.

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

 */

 

 #define LUA_NUMBER_DOUBLE

 #define LUA_NUMBER	double

 

 /*

 @@ LUAI_UACNUMBER is the result of an 'usual argument conversion'

 @* over a number.

 */

 #define LUAI_UACNUMBER	double

 

 

 /*

 @@ LUA_NUMBER_SCAN is the format for reading numbers.

 @@ LUA_NUMBER_FMT is the format for writing numbers.

 @@ lua_number2str converts a number to a string.

 @@ LUAI_MAXNUMBER2STR is maximum size of previous conversion.

 @@ lua_str2number converts a string to a number.

 */

 #define LUA_NUMBER_SCAN		"%lf"

 #define LUA_NUMBER_FMT		"%.14g"

 #define lua_number2str(s,n)	sprintf((s), LUA_NUMBER_FMT, (n))

 #define LUAI_MAXNUMBER2STR	32 /* 16 digits, sign, point, and \0 */

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

 

 

 /*

 @@ The luai_num* macros define the primitive operations over numbers.

 */

 #if defined(LUA_CORE)

 #include <math.h>

 #define luai_numadd(a,b)	((a)+(b))

 #define luai_numsub(a,b)	((a)-(b))

 #define luai_nummul(a,b)	((a)*(b))

 #define luai_numdiv(a,b)	((a)/(b))

 #define luai_nummod(a,b)	((a) - floor((a)/(b))*(b))

 #define luai_numpow(a,b)	(pow(a,b))

 #define luai_numunm(a)		(-(a))

 #define luai_numeq(a,b)		((a)==(b))

 #define luai_numlt(a,b)		((a)<(b))

 #define luai_numle(a,b)		((a)<=(b))

 #define luai_numisnan(a)	(!luai_numeq((a), (a)))

 #endif

 

 

 /*

 @@ lua_number2int is a macro to convert lua_Number to int.

 @@ lua_number2integer is a macro to convert lua_Number to lua_Integer.

 ** CHANGE them if you know a faster way to convert a lua_Number to

 ** int (with any rounding method and without throwing errors) in your

 ** system. In Pentium machines, a naive typecast from double to int

 ** in C is extremely slow, so any alternative is worth trying.

 */

 

 /* On a Pentium, resort to a trick */

 #if defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) && !defined(__SSE2__) && \

     (defined(__i386) || defined (_M_IX86) || defined(__i386__))

 

 /* On a Microsoft compiler, use assembler */

 #if 0//defined(_MSC_VER) // nitsuja: the "using assembly" method doesn't correctly handle integers between 0xFF000000 and and 0xFFFFFFFF, while the other branch does handle it correctly and it's not slower.

 

 #define lua_number2int(i,d)   __asm fld d   __asm fistp i

 #define lua_number2integer(i,n)		lua_number2int(i, n)

 

 /* the next trick should work on any Pentium, but sometimes clashes

    with a DirectX idiosyncrasy */

 #else

 

 union luai_Cast { double l_d; long l_l; };

 #define lua_number2int(i,d) \

   { volatile union luai_Cast u; u.l_d = (d) + 6755399441055744.0; (i) = u.l_l; }

 #define lua_number2integer(i,n)		lua_number2int(i, n)

 

 #endif

 

 

 /* this option always works, but may be slow */

 #else

 #define lua_number2int(i,d)	((i)=(int)(d))

 #define lua_number2integer(i,d)	((i)=(lua_Integer)(d))

 

 #endif

 

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

 

 

 /*

 @@ LUAI_USER_ALIGNMENT_T is a type that requires maximum alignment.

 ** CHANGE it if your system requires alignments larger than double. (For

 ** instance, if your system supports long doubles and they must be

 ** aligned in 16-byte boundaries, then you should add long double in the

 ** union.) Probably you do not need to change this.

 */

 #define LUAI_USER_ALIGNMENT_T	union { double u; void *s; long l; }

 

 

 /*

 @@ LUAI_THROW/LUAI_TRY define how Lua does exception handling.

 ** CHANGE them if you prefer to use longjmp/setjmp even with C++

 ** or if want/don't to use _longjmp/_setjmp instead of regular

 ** longjmp/setjmp. By default, Lua handles errors with exceptions when

 ** compiling as C++ code, with _longjmp/_setjmp when asked to use them,

 ** and with longjmp/setjmp otherwise.

 */

 #if defined(__cplusplus)

 /* C++ exceptions */

 #define LUAI_THROW(L,c)	throw(c)

 #define LUAI_TRY(L,c,a)	try { a } catch(...) \

 	{ if ((c)->status == 0) (c)->status = -1; }

 #define luai_jmpbuf	int  /* dummy variable */

 

 #elif defined(LUA_USE_ULONGJMP)

 /* in Unix, try _longjmp/_setjmp (more efficient) */

 #define LUAI_THROW(L,c)	_longjmp((c)->b, 1)

 #define LUAI_TRY(L,c,a)	if (_setjmp((c)->b) == 0) { a }

 #define luai_jmpbuf	jmp_buf

 

 #else

 /* default handling with long jumps */

 #define LUAI_THROW(L,c)	longjmp((c)->b, 1)

 #define LUAI_TRY(L,c,a)	if (setjmp((c)->b) == 0) { a }

 #define luai_jmpbuf	jmp_buf

 

 #endif

 

 

 /*

 @@ LUA_MAXCAPTURES is the maximum number of captures that a pattern

 @* can do during pattern-matching.

 ** CHANGE it if you need more captures. This limit is arbitrary.

 */

 #define LUA_MAXCAPTURES		32

 

 

 /*

 @@ lua_tmpnam is the function that the OS library uses to create a

 @* temporary name.

 @@ LUA_TMPNAMBUFSIZE is the maximum size of a name created by lua_tmpnam.

 ** CHANGE them if you have an alternative to tmpnam (which is considered

 ** insecure) or if you want the original tmpnam anyway.  By default, Lua

 ** uses tmpnam except when POSIX is available, where it uses mkstemp.

 */

 #if defined(loslib_c) || defined(luaall_c)

 

 #if defined(LUA_USE_MKSTEMP)

 #include <unistd.h>

 #define LUA_TMPNAMBUFSIZE	32

 #define lua_tmpnam(b,e)	{ \

 	strcpy(b, "/tmp/lua_XXXXXX"); \

 	e = mkstemp(b); \

 	if (e != -1) close(e); \

 	e = (e == -1); }

 

 #else

 #define LUA_TMPNAMBUFSIZE	L_tmpnam

 #define lua_tmpnam(b,e)		{ e = (tmpnam(b) == NULL); }

 #endif

 

 #endif

 

 

 /*

 @@ lua_popen spawns a new process connected to the current one through

 @* the file streams.

 ** CHANGE it if you have a way to implement it in your system.

 */

 #if defined(LUA_USE_POPEN)

 

 #define lua_popen(L,c,m)	((void)L, fflush(NULL), popen(c,m))

 #define lua_pclose(L,file)	((void)L, (pclose(file) != -1))

 

 #elif defined(LUA_WIN)

 

 #define lua_popen(L,c,m)	((void)L, _popen(c,m))

 #define lua_pclose(L,file)	((void)L, (_pclose(file) != -1))

 

 #else

 

 #define lua_popen(L,c,m)	((void)((void)c, m),  \

 		luaL_error(L, LUA_QL("popen") " not supported"), (FILE*)0)

 #define lua_pclose(L,file)		((void)((void)L, file), 0)

 

 #endif

 

 /*

 @@ LUA_DL_* define which dynamic-library system Lua should use.

 ** CHANGE here if Lua has problems choosing the appropriate

 ** dynamic-library system for your platform (either Windows' DLL, Mac's

 ** dyld, or Unix's dlopen). If your system is some kind of Unix, there

 ** is a good chance that it has dlopen, so LUA_DL_DLOPEN will work for

 ** it.  To use dlopen you also need to adapt the src/Makefile (probably

 ** adding -ldl to the linker options), so Lua does not select it

 ** automatically.  (When you change the makefile to add -ldl, you must

 ** also add -DLUA_USE_DLOPEN.)

 ** If you do not want any kind of dynamic library, undefine all these

 ** options.

 ** By default, _WIN32 gets LUA_DL_DLL and MAC OS X gets LUA_DL_DYLD.

 */

 #if defined(LUA_USE_DLOPEN)

 #define LUA_DL_DLOPEN

 #endif

 

 #if defined(LUA_WIN)

 #define LUA_DL_DLL

 #endif

 

 

 /*

 @@ LUAI_EXTRASPACE allows you to add user-specific data in a lua_State

 @* (the data goes just *before* the lua_State pointer).

 ** CHANGE (define) this if you really need that. This value must be

 ** a multiple of the maximum alignment required for your machine.

 */

 #define LUAI_EXTRASPACE		0

 

 

 /*

 @@ luai_userstate* allow user-specific actions on threads.

 ** CHANGE them if you defined LUAI_EXTRASPACE and need to do something

 ** extra when a thread is created/deleted/resumed/yielded.

 */

 #define luai_userstateopen(L)		((void)L)

 #define luai_userstateclose(L)		((void)L)

 #define luai_userstatethread(L,L1)	((void)L)

 #define luai_userstatefree(L)		((void)L)

 #define luai_userstateresume(L,n)	((void)L)

 #define luai_userstateyield(L,n)	((void)L)

 

 

 /*

 @@ LUA_INTFRMLEN is the length modifier for integer conversions

 @* in 'string.format'.

 @@ LUA_INTFRM_T is the integer type correspoding to the previous length

 @* modifier.

 ** CHANGE them if your system supports long long or does not support long.

 */

 

 #if defined(LUA_USELONGLONG)

 

 #define LUA_INTFRMLEN		"ll"

 #define LUA_INTFRM_T		long long

 

 #else

 

 #define LUA_INTFRMLEN		"l"

 #define LUA_INTFRM_T		long

 

 #endif

 

 

 

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

 

 /*

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

 ** without modifying the main part of the file.

 */

 

 

 

 #endif