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Some definitions moved from luaconf.h to llimits.h

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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.
This commit is contained in:
Roberto Ierusalimschy 2025-08-21 10:51:17 -03:00
parent 06c5d3825f
commit 13d2326a23
2 changed files with 50 additions and 50 deletions
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49
llimits.h
View File

@ -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

51
luaconf.h
View File

@ -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