Some definitions moved from luaconf.h to llimits.h

These definitions were in luaconf.h only because the standard libraries
need them. Now that llimits.h is included by the libraries, it offers a
more private place for these definitions.

llimits.h

@@ -287,6 +287,55 @@ typedef unsigned long l_uint32;
 #endif
 
 
+
+/*
+** lua_numbertointeger converts a float number with an integral value
+** to an integer, or returns 0 if the 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))
+
+
+
+/*
+** 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,
+** none of which to be exported to outside modules (LUAI_DDEF for
+** definitions and LUAI_DDEC for declarations).
+** 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(LUAI_FUNC)
+
+#if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \
+    defined(__ELF__)		/* { */
+#define LUAI_FUNC	__attribute__((visibility("internal"))) extern
+#else				/* }{ */
+#define LUAI_FUNC	extern
+#endif				/* } */
+
+#define LUAI_DDEC(dec)	LUAI_FUNC dec
+#define LUAI_DDEF	/* empty */
+
+#endif
+
+
+/* Give these macros simpler names for internal use */
+#define l_likely(x)	luai_likely(x)
+#define l_unlikely(x)	luai_unlikely(x)
+
 /*
 ** {==================================================================
 ** "Abstraction Layer" for basic report of messages and errors

luaconf.h

@@ -321,31 +321,6 @@
 #define LUALIB_API	LUA_API
 #define LUAMOD_API	LUA_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,
-** none of which 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("internal"))) extern
-#else				/* }{ */
-#define LUAI_FUNC	extern
-#endif				/* } */
-
-#define LUAI_DDEC(dec)	LUAI_FUNC dec
-#define LUAI_DDEF	/* empty */
-
 /* }================================================================== */
 
 
@@ -415,26 +390,11 @@
 */
 
 
-/* The following definitions are good for most cases here */
+/* The following definition is good for most cases here */
 
 #define l_floor(x)		(l_mathop(floor)(x))
 
 
-/*
-@@ lua_numbertointeger converts a float number with an integral value
-** 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 */
@@ -694,13 +654,6 @@
 #endif
 
 
-#if defined(LUA_CORE) || defined(LUA_LIB)
-/* shorter names for Lua's own use */
-#define l_likely(x)	luai_likely(x)
-#define l_unlikely(x)	luai_unlikely(x)
-#endif
-
-
 
 /* }================================================================== */
 
@@ -782,7 +735,5 @@
 
 
 
-
-
 #endif