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@@ -1,5 +1,5 @@
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/*
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-** $Id: luaconf.h,v 1.32 2005/03/08 18:00:16 roberto Exp roberto $
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+** $Id: luaconf.h,v 1.33 2005/03/08 18:09:16 roberto Exp roberto $
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** Configuration file for Lua
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** See Copyright Notice in lua.h
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*/
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@@ -30,7 +30,7 @@
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** =======================================================
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*/
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-/* default path */
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+/* CONFIG: default path */
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#if defined(_WIN32)
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#define LUA_ROOT "C:\\Program Files\\Lua51"
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#define LUA_LDIR LUA_ROOT "\\lua"
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@@ -51,33 +51,58 @@
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#endif
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+/* CONFIG: directory separator (for submodules) */
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+#if defined(_WIN32)
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+#define LUA_DIRSEP "\\"
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+#else
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+#define LUA_DIRSEP "/"
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+#endif
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+
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+
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+/* CONFIG: environment variables that hold the search path for packages */
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+#define LUA_PATH "LUA_PATH"
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+#define LUA_CPATH "LUA_CPATH"
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+
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+/* CONFIG: prefix for open functions in C libraries */
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+#define LUA_POF "luaopen_"
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+
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+/* CONFIG: separator for open functions in C libraries */
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+#define LUA_OFSEP "_"
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+
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+/* CONFIG: separator of templates in a path */
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+#define LUA_PATHSEP ';'
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-/* type of numbers in Lua */
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+/* CONFIG: wild char in each template */
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+#define LUA_PATH_MARK "?"
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+
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+
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+
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+/* CONFIG: type of numbers in Lua */
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#define LUA_NUMBER double
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-/* formats for Lua numbers */
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+/* CONFIG: formats for Lua numbers */
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#define LUA_NUMBER_SCAN "%lf"
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#define LUA_NUMBER_FMT "%.14g"
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/*
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-** type for integer functions
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+** CONFIG: type for integer functions
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** on most machines, `ptrdiff_t' gives a reasonable size for integers
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*/
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#define LUA_INTEGER ptrdiff_t
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-/* mark for all API functions */
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+/* CONFIG: mark for all API functions */
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#define LUA_API extern
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-/* mark for auxlib functions */
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+/* CONFIG: mark for auxlib functions */
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#define LUALIB_API extern
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-/* buffer size used by lauxlib buffer system */
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+/* CONFIG: buffer size used by lauxlib buffer system */
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#define LUAL_BUFFERSIZE BUFSIZ
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-/* assertions in Lua (mainly for internal debugging) */
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+/* CONFIG: assertions in Lua (mainly for internal debugging) */
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#define lua_assert(c) ((void)0)
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/* }====================================================== */
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@@ -92,7 +117,7 @@
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#ifdef lua_c
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-/* definition of `isatty' */
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+/* CONFIG: definition of `isatty' */
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#ifdef _POSIX_C_SOURCE
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#include <unistd.h>
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#define stdin_is_tty() isatty(0)
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@@ -113,7 +138,7 @@
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/*
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-** this macro can be used by some `history' system to save lines
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+** CONFIG: this macro can be used by some `history' system to save lines
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** read in manual input
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*/
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#define lua_saveline(L,line) /* empty */
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@@ -126,86 +151,80 @@
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-/*
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-** {======================================================
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-** Core configuration
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-** =======================================================
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-*/
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-
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-#ifdef LUA_CORE
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-
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-/* LUA-C API assertions */
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-#define api_check(L,o) lua_assert(o)
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+/* CONFIG: LUA-C API assertions */
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+#define luac_apicheck(L,o) lua_assert(o)
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/* number of bits in an `int' */
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/* avoid overflows in comparison */
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#if INT_MAX-20 < 32760
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-#define LUA_BITSINT 16
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+#define LUAC_BITSINT 16
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#elif INT_MAX > 2147483640L
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/* `int' has at least 32 bits */
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-#define LUA_BITSINT 32
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+#define LUAC_BITSINT 32
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#else
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#error "you must define LUA_BITSINT with number of bits in an integer"
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#endif
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/*
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-** L_UINT32: unsigned integer with at least 32 bits
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-** L_INT32: signed integer with at least 32 bits
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-** LU_MEM: an unsigned integer big enough to count the total memory used by Lua
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-** L_MEM: a signed integer big enough to count the total memory used by Lua
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+** CONFIG:
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+** LUAC_UINT32: unsigned integer with at least 32 bits
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+** LUAC_INT32: signed integer with at least 32 bits
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+** LUAC_UMEM: an unsigned integer big enough to count the total memory
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+** used by Lua
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+** LUAC_MEM: a signed integer big enough to count the total memory used by Lua
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*/
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-#if LUA_BITSINT >= 32
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-#define LUA_UINT32 unsigned int
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-#define LUA_INT32 int
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-#define LUA_MAXINT32 INT_MAX
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-#define LU_MEM size_t
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-#define L_MEM ptrdiff_t
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+#if LUAC_BITSINT >= 32
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+#define LUAC_UINT32 unsigned int
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+#define LUAC_INT32 int
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+#define LUAC_MAXINT32 INT_MAX
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+#define LUAC_UMEM size_t
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+#define LUAC_MEM ptrdiff_t
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#else
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/* 16-bit ints */
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-#define LUA_UINT32 unsigned long
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-#define LUA_INT32 long
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-#define LUA_MAXINT32 LONG_MAX
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-#define LU_MEM LUA_UINT32
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-#define L_MEM ptrdiff_t
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+#define LUAC_UINT32 unsigned long
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+#define LUAC_INT32 long
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+#define LUAC_MAXINT32 LONG_MAX
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+#define LUAC_UMEM LUAC_UINT32
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+#define LUAC_MEM ptrdiff_t
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#endif
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-/* maximum depth for calls (unsigned short) */
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-#define LUA_MAXCALLS 10000
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+/* CONFIG: maximum depth for calls (unsigned short) */
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+#define LUAC_MAXCALLS 10000
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/*
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-** maximum depth for C calls (unsigned short): Not too big, or may
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+** CONFIG: maximum depth for C calls (unsigned short): Not too big, or may
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** overflow the C stack...
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*/
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-#define LUA_MAXCCALLS 200
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+#define LUAC_MAXCCALLS 200
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-/* maximum size for the virtual stack of a C function */
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-#define MAXCSTACK 2048
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+/* CONFIG: maximum size for the virtual stack of a C function */
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+#define LUAC_MAXCSTACK 2048
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/*
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-** maximum number of syntactical nested non-terminals: Not too big,
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+** CONFIG: maximum number of syntactical nested non-terminals: Not too big,
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** or may overflow the C stack...
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*/
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-#define LUA_MAXPARSERLEVEL 200
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+#define LUAC_MAXPARSERLEVEL 200
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-/* maximum number of variables declared in a function */
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-#define MAXVARS 200 /* <MAXSTACK */
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+/* CONFIG: maximum number of variables declared in a function */
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+#define LUAC_MAXVARS 200 /* <MAXSTACK */
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-/* maximum number of upvalues per function */
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-#define MAXUPVALUES 60 /* <MAXSTACK */
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+/* CONFIG: maximum number of upvalues per function */
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+#define LUAC_MAXUPVALUES 60 /* <MAXSTACK */
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-/* maximum size of expressions for optimizing `while' code */
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-#define MAXEXPWHILE 100
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+/* CONFIG: maximum size of expressions for optimizing `while' code */
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+#define LUAC_MAXEXPWHILE 100
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-/* function to convert a lua_Number to int (with any rounding method) */
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+/* CONFIG: function to convert a lua_Number to int (with any rounding method) */
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#if defined(__GNUC__) && defined(__i386)
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#define lua_number2int(i,d) __asm__ ("fistpl %0":"=m"(i):"t"(d):"st")
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@@ -231,171 +250,133 @@ __inline int l_lrint (double flt)
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#endif
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-/* function to convert a lua_Number to lua_Integer (with any rounding method) */
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+/* CONFIG: function to convert a lua_Number to lua_Integer (with any rounding method) */
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#define lua_number2integer(i,n) lua_number2int((i), (n))
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-/* function to convert a lua_Number to a string */
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+/* CONFIG: function to convert a lua_Number to a string */
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#define lua_number2str(s,n) sprintf((s), LUA_NUMBER_FMT, (n))
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/* maximum size of previous conversion */
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-#define MAX_NUMBER2STR 32 /* 16 digits, sign, point and \0 (+ some extra) */
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+#define LUAC_MAXNUMBER2STR 32 /* 16 digits, sign, point, and \0 */
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-/* function to convert a string to a lua_Number */
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+/* CONFIG: function to convert a string to a lua_Number */
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#define lua_str2number(s,p) strtod((s), (p))
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-/* result of a `usual argument conversion' over lua_Number */
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-#define LUA_UACNUMBER double
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+/* CONFIG: result of a `usual argument conversion' over lua_Number */
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+#define LUAC_UACNUMBER double
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-/* primitive operators for numbers */
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-#define num_add(a,b) ((a)+(b))
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-#define num_sub(a,b) ((a)-(b))
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-#define num_mul(a,b) ((a)*(b))
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-#define num_div(a,b) ((a)/(b))
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-#define num_unm(a) (-(a))
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-#define num_eq(a,b) ((a)==(b))
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-#define num_lt(a,b) ((a)<(b))
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-#define num_le(a,b) ((a)<=(b))
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-#define num_mod(a,b) ((a) - floor((a)/(b))*(b))
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-#define num_pow(a,b) pow(a,b)
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+/* CONFIG: primitive operators for numbers */
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+#define luac_numadd(a,b) ((a)+(b))
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+#define luac_numsub(a,b) ((a)-(b))
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+#define luac_nummul(a,b) ((a)*(b))
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+#define luac_numdiv(a,b) ((a)/(b))
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+#define luac_numunm(a) (-(a))
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+#define luac_numeq(a,b) ((a)==(b))
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+#define luac_numlt(a,b) ((a)<(b))
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+#define luac_numle(a,b) ((a)<=(b))
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+#define luac_nummod(a,b) ((a) - floor((a)/(b))*(b))
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+#define luac_numpow(a,b) pow(a,b)
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-/* type to ensure maximum alignment */
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-#define LUSER_ALIGNMENT_T union { double u; void *s; long l; }
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+/* CONFIG: type to ensure maximum alignment */
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+#define LUAC_USER_ALIGNMENT_T union { double u; void *s; long l; }
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/*
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-** exception handling: by default, Lua handles errors with longjmp/setjmp
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-** when compiling as C code and with exceptions when compiling as C++ code.
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-** Change that if you prefer to use longjmp/setjmp even with C++.
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+** CONFIG: exception handling: by default, Lua handles errors with
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+** longjmp/setjmp when compiling as C code and with exceptions
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+** when compiling as C++ code. Change that if you prefer to use
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+** longjmp/setjmp even with C++.
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*/
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#ifndef __cplusplus
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/* default handling with long jumps */
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-#define L_THROW(L,c) longjmp((c)->b, 1)
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-#define L_TRY(L,c,a) if (setjmp((c)->b) == 0) { a }
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-#define l_jmpbuf jmp_buf
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+#define LUAC_THROW(L,c) longjmp((c)->b, 1)
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+#define LUAC_TRY(L,c,a) if (setjmp((c)->b) == 0) { a }
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+#define luac_jmpbuf jmp_buf
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#else
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/* C++ exceptions */
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-#define L_THROW(L,c) throw(c)
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-#define L_TRY(L,c,a) try { a } catch(...) \
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+#define LUAC_THROW(L,c) throw(c)
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+#define LUAC_TRY(L,c,a) try { a } catch(...) \
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{ if ((c)->status == 0) (c)->status = -1; }
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-#define l_jmpbuf int /* dummy variable */
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+#define luac_jmpbuf int /* dummy variable */
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#endif
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/*
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-** macros for thread synchronization inside Lua core machine: This is
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-** an attempt to simplify the implementation of a multithreaded version
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-** of Lua. Do not change that unless you know what you are doing. all
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-** accesses to the global state and to global objects are synchronized.
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-** Because threads can read the stack of other threads (when running
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-** garbage collection), a thread must also synchronize any write-access
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-** to its own stack. Unsynchronized accesses are allowed only when
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-** reading its own stack, or when reading immutable fields from global
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-** objects (such as string values and udata values).
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+** CONFIG: macros for thread synchronization inside Lua core
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+** machine: This is an attempt to simplify the implementation of a
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+** multithreaded version of Lua. Do not change that unless you know
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+** what you are doing. all accesses to the global state and to global
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+** objects are synchronized. Because threads can read the stack of
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+** other threads (when running garbage collection), a thread must also
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+** synchronize any write-access to its own stack. Unsynchronized
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+** accesses are allowed only when reading its own stack, or when reading
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+** immutable fields from global objects (such as string values and udata
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+** values).
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*/
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#define lua_lock(L) ((void) 0)
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#define lua_unlock(L) ((void) 0)
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/*
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-** this macro allows a thread switch in appropriate places in the Lua
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-** core
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+** CONFIG: this macro allows a thread switch in appropriate places in
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+** the Lua core
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*/
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#define lua_threadyield(L) {lua_unlock(L); lua_lock(L);}
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-/* allows user-specific initialization on new threads */
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+/* CONFIG: allows user-specific initialization on new threads */
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#define lua_userstateopen(L) ((void)0)
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-#endif
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-
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-/* }====================================================== */
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-
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-
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-/*
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-** {======================================================
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-** Library configuration
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-** =======================================================
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-*/
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-#ifdef LUA_LIB
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-
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-/* environment variables that hold the search path for packages */
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-#define LUA_PATH "LUA_PATH"
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-#define LUA_CPATH "LUA_CPATH"
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-
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-/* prefix for open functions in C libraries */
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-#define LUA_POF "luaopen_"
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-
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-/* separator for open functions in C libraries */
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-#define LUA_OFSEP "_"
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-
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-/* directory separator (for submodules) */
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-#if defined(_WIN32)
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-#define LUA_DIRSEP "\\"
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-#else
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-#define LUA_DIRSEP "/"
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-#endif
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-
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-/* separator of templates in a path */
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-#define LUA_PATHSEP ';'
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-
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-/* wild char in each template */
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-#define LUA_PATH_MARK "?"
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-
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-
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-/* maximum number of captures in pattern-matching (arbitrary limit) */
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-#define MAX_CAPTURES 32
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+/* CONFIG: maximum number of captures in pattern-matching (arbitrary limit) */
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+#define LUA_MAXCAPTURES 32
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/*
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-** by default, gcc does not get `os.tmpname', because it generates a warning
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-** when using `tmpname'. Change that if you really want (or do not want)
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-** `os.tmpname' available.
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+** CONFIG: by default, gcc does not get `os.tmpname', because it
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+** generates a warning when using `tmpname'. Change that if you really
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+** want (or do not want) `os.tmpname' available.
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*/
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#ifdef __GNUC__
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-#define USE_TMPNAME 0
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+#define LUA_USETMPNAME 0
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#else
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-#define USE_TMPNAME 1
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+#define LUA_USETMPNAME 1
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#endif
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/*
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-** Configuration for loadlib: Lua tries to guess the dynamic-library
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-** system that your platform uses (either Windows' DLL, Mac's dyld, or
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-** dlopen). If your system is some kind of Unix, there is a good chance
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-** that USE_DLOPEN will work for it. You may need to adapt also the
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-** makefile.
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+** CONFIG: Configuration for loadlib: Lua tries to guess the
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+** dynamic-library system that your platform uses (either Windows' DLL,
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+** Mac's dyld, or dlopen). If your system is some kind of Unix, there is
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+** a good chance that LUA_USEDLOPEN will work for it. You may need to adapt
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+** also the makefile.
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*/
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#if defined(_WIN32)
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-#define USE_DLL
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+#define LUA_USEDLL
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#elif defined(__APPLE__) && defined(__MACH__)
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-#define USE_DYLD
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+#define LUA_USEDYLD
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#elif defined(__linux) || defined(sun) || defined(sgi) || defined(BSD)
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-#define USE_DLOPEN
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+#define LUA_USEDLOPEN
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#endif
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-#endif
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-
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-/* }====================================================== */
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-
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-
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+/* ======================================================= */
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/* Local configuration */
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-#undef USE_TMPNAME
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-#define USE_TMPNAME 1
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+#undef LUA_USETMPNAME
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+#define LUA_USETMPNAME 1
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#endif
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Roberto Ierusalimschy