mirrors/lua
0
0
Fork 0
mirror of https://github.com/lua/lua.git synced 2024-11-24 10:43:44 +08:00
Code Issues Packages Projects Releases Wiki Activity

standard configuration should run out-of-the-box in "any" system

Browse Source
This commit is contained in:
Roberto Ierusalimschy 2005-03-29 11:30:16 -03:00
parent ade585bdf9
commit 1c9c886974
2 changed files with 200 additions and 126 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
loadlib.c
View File

@ -1,5 +1,5 @@
/*
** $Id: loadlib.c,v 1.21 2005/03/09 16:28:07 roberto Exp roberto $
** $Id: loadlib.c,v 1.22 2005/03/18 16:38:43 roberto Exp roberto $
** Dynamic library loader for Lua
** See Copyright Notice in lua.h
**
@ -44,7 +44,7 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym);
#if defined(LUA_USE_DLOPEN)
#if defined(LUA_DL_DLOPEN)
/*
** {========================================================================
** This is an implementation of loadlib based on the dlfcn interface.
@ -78,7 +78,7 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
#elif defined(LUA_USE_DLL)
#elif defined(LUA_DL_DLL)
/*
** {======================================================================
** This is an implementation of loadlib for Windows using native functions.
@ -93,7 +93,7 @@ static void pusherror (lua_State *L) {
char buffer[128];
if (FormatMessage(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, error, 0, buffer, sizeof(buffer), NULL))
lua_pushstring(L,buffer);
lua_pushstring(L, buffer);
else
lua_pushfstring(L, "system error %d\n", error);
}
@ -120,7 +120,7 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
#elif defined(LUA_USE_DYLD)
#elif defined(LUA_DL_DYLD)
/*
** {======================================================================
** Native Mac OS X / Darwin Implementation
@ -212,6 +212,13 @@ static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
#define LIB_FAIL "absent"
#if defined(__ELF__) || defined(__sun) || defined(sgi) || defined(__hpux)
#define DLMSG "your system was not properly installed, " \
"so it cannot run `loadlib'; check your installation"
#else
#define DLMSG "`loadlib' not supported"
#endif
static void ll_unloadlib (void *lib) {
(void)lib; /* to avoid warnings */
}
@ -219,14 +226,14 @@ static void ll_unloadlib (void *lib) {
static void *ll_load (lua_State *L, const char *path) {
(void)path; /* to avoid warnings */
lua_pushliteral(L,"`loadlib' not supported");
lua_pushliteral(L, DLMSG);
return NULL;
}
static lua_CFunction ll_sym (lua_State *L, void *lib, const char *sym) {
(void)lib; (void)sym; /* to avoid warnings */
lua_pushliteral(L,"`loadlib' not supported");
lua_pushliteral(L, DLMSG);
return NULL;
}

305
luaconf.h
View File

@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.37 2005/03/18 18:55:45 roberto Exp roberto $
** $Id: luaconf.h,v 1.38 2005/03/21 18:12:07 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@ -24,10 +24,10 @@
/*
*@ 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.
@@ 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.
@ -53,7 +53,7 @@
/*
*@ LUA_DIRSEP is the directory separator (for submodules).
@@ 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 "\".)
*/
@ -65,7 +65,7 @@
/*
*@ LUA_PATHSEP is the character that separates templates in a path.
@@ LUA_PATHSEP is the character that separates templates in a path.
** CHANGE it if for some reason your system cannot use a
** semicolon. (E.g., a semicolon may be a too common character in
** file/directory names.) Probably you do not need to change this.
@ -74,8 +74,8 @@
/*
*@ LUA_PATH_MARK is ths string that marks the substitution points in a
** template.
@@ LUA_PATH_MARK is ths string that marks the substitution points in a
@* template.
** CHANGE it if for some reason your system cannot use an interogation
** mark. (E.g., an interogation mark may be a too common character in
** file/directory names.) Probably you do not need to change this.
@ -84,7 +84,7 @@
/*
*@ LUA_INTEGER is the integral type used by lua_pushinteger/lua_tointeger.
@@ 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.)
*/
@ -92,30 +92,36 @@
/*
*@ LUA_API is a mark for all core API functions.
*@ LUALIB_API is a mark for all standard library functions.
@@ 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 two Windows DLLs, one with the
** core, the other with the libraries, you may want to use the following
** definition:
**
** #ifdef LUA_CORE
** #define LUA_API __declspec(__dllexport)
** #else
** #define LUA_API __declspec(__dllimport)
** #endif
** #ifdef LUA_LIB
** #define LUALIB_API __declspec(__dllexport)
** #else
** #define LUALIB_API __declspec(__dllimport)
** #endif
** definition (define LUA_BUILD_AS_DLL to get it).
*/
#if defined (LUA_BUILD_AS_DLL)
#if defined(LUA_CORE)
#define LUA_API __declspec(__dllexport)
#else
#define LUA_API __declspec(__dllimport)
#endif
#if defined(LUA_LIB)
#define LUALIB_API __declspec(__dllexport)
#else
#define LUALIB_API __declspec(__dllimport)
#endif
#else
#define LUA_API extern
#define LUALIB_API extern
#endif
/*
*@ lua_assert describes the internal assertions in Lua.
@@ lua_assert describes the internal assertions in Lua.
** CHANGE that only if you need to debug Lua.
*/
#define lua_assert(c) ((void)0)
@ -128,13 +134,18 @@
** ===================================================================
*/
#ifdef lua_c
#if defined(lua_c) || defined(luaall_c)
/* CONFIG: definition of isatty */
#ifdef _POSIX_C_SOURCE
/*
@@ lua_stdin_is_tty is a function to detect whether the standard input is
@* a `tty' (that is, is interactive).
** CHANGE it if you have a better definition for non-POSIX/non-Windows
** systems.
*/
#if !defined(__STRICT_ANSI__) && defined(_POSIX_C_SOURCE)
#include <unistd.h>
#define lua_stdin_is_tty() isatty(0)
#elif defined(_WIN32)
#elif !defined(__STRICT_ANSI__) && defined(_WIN32)
#include <io.h>
#include <stdio.h>
#define lua_stdin_is_tty() _isatty(_fileno(stdin))
@ -143,46 +154,80 @@
#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 ">> "
#define LUA_PROGNAME "lua"
/*
*@ LUA_MAXINPUT is the maximum length for an input line
@@ 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
** 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.
@@ 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.
@@ lua_freeline defines how to free a line read by lua_readline.
** CHANGE them if you want to improve this functionality (e.g., using GNU
** readline and history facilities). (Lua already tries to use those
** facilities when it detects a GNU compiler.)
** readline and history facilities).
*/
#ifdef __GNUC__
#if !defined(__STRICT_ANSI__) && defined(LUA_USE_READLINE)
#include <stdio.h>
#include <readline/readline.h>
#include <readline/history.h>
#define lua_readline(L,b,p) (((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) free(b)
#else
#define lua_readline(L,b,p) \
(fputs(p, stdout), fflush(stdout), /* show prompt */ \
fgets(b, LUA_MAXINPUT, stdin) != NULL) /* get line */
#define lua_saveline(L,idx) ((void)0)
#define lua_freeline(L,b) ((void)0)
#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.)
*/
#define LUAI_GCPAUSE 200 /* 200% (wait memory to double before next GC) */
/*
@@ LUAI_GCMUL defines the 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.)
*/
#define LUAI_GCMUL 200 /* GC runs `twice the speed' of memory allocation */
/*
** CHANGE here (undefining both luaL_getn and luaL_setn) if you want
** exact compatibility with the behavior of setn/getn in Lua 5.0.
@ -192,23 +237,25 @@
/*
@@ 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 may be like this:
**
** #include <assert.h>
** #define luai_apicheck(L,o) assert(o)
**
** (By default lua_assert is empty, so luai_apicheck is also empty.)
** with Lua. A useful redefinition is to use assert.h.
*/
#if defined(LUA_USE_APICHECK)
#include <assert.h>
#define luai_apicheck(L,o) assert(o)
#else
/* (By default lua_assert is empty, so luai_apicheck is also empty.) */
#define luai_apicheck(L,o) lua_assert(o)
#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. (In that case, simply define LUA_BITSINT.) Probably you
** do not need to change this.
** your machine. Probably you do not need to change this.
*/
/* avoid overflows in comparison */
#if INT_MAX-20 < 32760
@ -222,16 +269,16 @@
/*
*@ 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 an unsigned integer big enough to count the total
** memory used by Lua.
*@ LUAI_MEM is an a signed integer big enough to count the total memory
** used by Lua.
@@ 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 an unsigned integer big enough to count the total
@* memory used by Lua.
@@ LUAI_MEM is an 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 `else' definition always works, but
** may waste space on machines with 64-bit longs. Probably you do not
** need to change this.
** good enough for your machine. (The `else' definition 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
@ -250,7 +297,7 @@
/*
*@ LUAI_MAXCALLS limits the number of nested calls.
@@ 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.
@ -259,7 +306,7 @@
/*
*@ LUAI_MAXCSTACK limits the number of slots that a C function can use.
@@ LUAI_MAXCSTACK limits the number of 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.
@ -283,41 +330,41 @@
/*
*@ LUAI_MAXCCALLS is the maximum depth for nested C calls (unsigned short).
@@ LUAI_MAXCCALLS is the maximum depth for nested C calls (short).
*/
#define LUAI_MAXCCALLS 200
/*
*@ LUAI_MAXPARSERLEVEL is the maximum number of syntactical nested
** non-terminals in a program.
@@ LUAI_MAXPARSERLEVEL is the maximum number of syntactical nested
@* non-terminals in a program.
*/
#define LUAI_MAXPARSERLEVEL 200
/*
*@ LUAI_MAXVARS is the maximum number of local variables per function
** (must be smaller than 250).
@@ 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).
@@ LUAI_MAXUPVALUES is the maximum number of upvalues per function
@* (must be smaller than 250).
*/
#define LUAI_MAXUPVALUES 60
/*
*@ LUAI_MAXEXPWHILE is the maximum size of code for expressions
** controling a `while' loop.
@@ LUAI_MAXEXPWHILE is the maximum size of code for expressions
@* controling a `while' loop.
*/
#define LUAI_MAXEXPWHILE 100
/*
*@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
@@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
*/
#define LUAL_BUFFERSIZE BUFSIZ
@ -326,19 +373,19 @@
/*
*@ lua_number2int is a macro to convert lua_Number to int.
@@ lua_number2int is a macro to convert lua_Number to int.
** CHANGE that 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 doulbe to int
** system. In Pentium machines, a naive typecast from double to int
** in C is extremely slow, so any alternative is worth trying.
*/
/* On a GNU/Pentium, resort to assembler */
#if defined(__GNUC__) && defined(__i386)
#if !defined(__STRICT_ANSI__) && defined(__GNUC__) && defined(__i386)
#define lua_number2int(i,d) __asm__ ("fistpl %0":"=m"(i):"t"(d):"st")
/* On Windows/Pentium, resort to assembler */
#elif defined(_MSC_VER) && defined(_M_IX86)
#elif !defined(__STRICT_ANSI__) && defined(_MSC_VER) && defined(_M_IX86)
#pragma warning(disable: 4514)
__inline int l_lrint (double flt)
{ int i;
@ -351,7 +398,8 @@ __inline int l_lrint (double flt)
#define lua_number2int(i,d) ((i)=l_lrint((d)))
/* on Pentium machines compliant with C99, you can try lrint */
#elif defined (__i386) && defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199900L)
#elif defined (__i386) && defined(__STDC_VERSION__) && \
(__STDC_VERSION__ >= 199900L)
#define lua_number2int(i,d) ((i)=lrint(d))
/* this option always work, but may be slow */
@ -362,7 +410,7 @@ __inline int l_lrint (double flt)
/*
*@ lua_number2integer is a macro to convert lua_Number to lua_Integer.
@@ lua_number2integer is a macro to convert lua_Number to lua_Integer.
** CHANGE (see lua_number2int).
*/
/* On a GNU or Windows/Pentium, resort to assembler */
@ -388,20 +436,20 @@ __inline int l_lrint (double flt)
/*
*@ LUA_NUMBER is the type of numbers in Lua.
*@ LUAI_UACNUMBER is the result of an `usual argument conversion'
** over a number.
@@ LUA_NUMBER is the type of numbers in Lua.
@@ LUAI_UACNUMBER is the result of an `usual argument conversion'
@* over a number.
*/
#define LUA_NUMBER double
#define LUAI_UACNUMBER LUA_NUMBER
/*
*@ 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.
@@ 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"
@ -411,7 +459,7 @@ __inline int l_lrint (double flt)
/*
*@ The luai_num* macros define the primitive operations over numbers.
@@ The luai_num* macros define the primitive operations over numbers.
*/
#define luai_numadd(a,b) ((a)+(b))
#define luai_numsub(a,b) ((a)-(b))
@ -428,7 +476,7 @@ __inline int l_lrint (double flt)
/*
*@ LUAI_USER_ALIGNMENT_T is a type that requires maximum alignment.
@@ 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 double and those long doubles
** must be aligned in 16-byte boundaries, then you should add long
@ -438,43 +486,55 @@ __inline int l_lrint (double flt)
/*
*@ LUAI_THROW/LUAI_TRY define how Lua does exception handling.
** CHANGE them if you prefer to use longjmp/setjmp even with C++. By
** default, Lua handles errors with longjmp/setjmp when compiling as C
** code and with exceptions when compiling as C++ code.
@@ 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 want 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 compiling as C code
** in a Unix system, and with longjmp/setjmp otherwise.
*/
#ifndef __cplusplus
/* 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
#else
#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(__STRICT_ANSI__) && (defined(unix) || defined(__unix) || \
defined(__unix__))
/* 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.
@@ 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.
** CHANGE it 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 compiled when POSIX is available, where
** it uses mkstemp.
@@ 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.
*/
#ifdef _POSIX_C_SOURCE
#if defined(loslib_c) || defined(luaall_c)
#if !defined(__STRICT_ANSI__) && defined(_POSIX_C_SOURCE)
#include <unistd.h>
#define LUA_TMPNAMBUFSIZE 32
#define lua_tmpnam(b,e) { \
@ -487,29 +547,36 @@ __inline int l_lrint (double flt)
#define lua_tmpnam(b,e) { e = (tmpnam(b) == NULL); }
#endif
#endif
/*
*@ LUA_USE_* define which dynamic-library system Lua should use.
@@ 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 LUA_USE_DLOPEN will work for it. (You may need
** to adapt also the makefile.) If you do not want any kind of dynamic
** library, undefine all these options (or just remove these definitions).
** 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 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 (or just remove these definitions).
*/
#if !defined(__STRICT_ANSI__)
#if defined(_WIN32)
#define LUA_USE_DLL
#define LUA_DL_DLL
#elif defined(__APPLE__) && defined(__MACH__)
#define LUA_USE_DYLD
#elif defined(__linux) || defined(sun) || defined(sgi) || defined(BSD)
#define LUA_USE_DLOPEN
#define LUA_DL_DYLD
#elif defined(LUA_USE_DLOPEN)
#define LUA_DL_DLOPEN
#endif
#endif
/*
*@ lua_lock/lua_unlock are macros for thread synchronization inside the
** Lua core. This is an attempt to simplify the implementation of a
** multithreaded version of Lua.
@@ lua_lock/lua_unlock are macros for thread synchronization inside the
@* Lua core. This is an attempt to simplify the implementation of a
@* multithreaded version of Lua.
** CHANGE them only if you know what you are doing. all accesses to
** the global state and to global objects are synchronized. Because
** threads can read the stack of other threads (when running garbage
@ -523,15 +590,15 @@ __inline int l_lrint (double flt)
/*
*@ lua_threadyield allows a thread switch in appropriate places in the core.
@@ lua_threadyield allows a thread switch in appropriate places in the core.
** CHANGE it only if you know what you are doing. (See lua_lock.)
*/
#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
/*
*@ LUAI_EXTRASPACE allows you to add user-specific data in a lua_State
** (the data goes just *before* the lua_State pointer).
@@ 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.
*/
@ -539,7 +606,7 @@ __inline int l_lrint (double flt)
/*
*@ luai_userstateopen allows user-specific initialization on new threads.
@@ luai_userstateopen allows user-specific initialization on new threads.
** CHANGE it if you defined LUAI_EXTRASPACE and need to initialize that
** data whenever a new lua_State is created.
*/