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better handling of systems that do not support 'long long'

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This commit is contained in:
Roberto Ierusalimschy
2014-10-08 17:32:50 -03:00
parent ffe7401ceb
commit 18014ef2fd
1 changed files with 28 additions and 11 deletions
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39
luaconf.h
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@@ -1,5 +1,5 @@
/* /*
** $Id: luaconf.h,v 1.214 2014/10/01 11:54:56 roberto Exp roberto $ ** $Id: luaconf.h,v 1.216 2014/10/08 20:24:43 roberto Exp $
** Configuration file for Lua ** Configuration file for Lua
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@@ -20,23 +20,34 @@
/* /*
** =================================================================== ** {==================================================================
@@ LUA_INT_INT / LUA_INT_LONG / LUA_INT_LONGLONG defines type for @@ LUA_INT_INT / LUA_INT_LONG / LUA_INT_LONGLONG defines type for
@@ Lua integers; @@ Lua integers; you must define one of them.
@@ LUA_REAL_FLOAT / LUA_REAL_DOUBLE / LUA_REAL_LONGDOUBLE defines @@ LUA_REAL_FLOAT / LUA_REAL_DOUBLE / LUA_REAL_LONGDOUBLE defines
@@ type for Lua floats. @@ type for Lua floats. You must define one of them.
** **
** These definitions set the numeric types for Lua. Lua should work ** These definitions set the numeric types for Lua. Lua should work fine
** fine with any mix of these previous options. ** with any mix of these previous options. The usual configurations
** The usual configurations are 64-bit integers and floats (the default) ** are 64-bit integers and floats (the default) and 32-bit integers and
** and 32-bit integers and floats (Lua 32, for restricted hardware). ** floats (Small Lua, for restricted platforms).
**
** Note that C compilers not compliant with C99 may not have
** support for 'long long'. In that case, you should not use option
** 'LUA_INT_LONGLONG'; use instead option 'LUA_32BITS' for Small Lua
** (see below), or LUA_INT_LONG plus LUA_REAL_DOUBLE for an interpreter
** with 32-bit integers and double floating-point numbers.
** ===================================================================== ** =====================================================================
*/ */
/* just uncomment the next line for Lua 32 */ /*
/* #define LUA_32 */ ** Just uncomment the next line for Small Lua; you can also define
** LUA_32BITS in the make file, but changing here you ensure that
** all software connected to Lua will be compiled with the same
** configuration.
*/
/* #define LUA_32BITS */
#if !defined(LUA_32) #if !defined(LUA_32BITS)
#define LUA_INT_LONGLONG #define LUA_INT_LONGLONG
#define LUA_REAL_DOUBLE #define LUA_REAL_DOUBLE
#else /* Lua 32 bits */ #else /* Lua 32 bits */
@@ -44,6 +55,8 @@
#define LUA_REAL_FLOAT #define LUA_REAL_FLOAT
#endif #endif
/* }================================================================== */
/* /*
@@ LUA_ANSI controls the use of non-ansi features. @@ LUA_ANSI controls the use of non-ansi features.
@@ -663,6 +676,10 @@
#else #else
#if !defined(LLONG_MAX)
#error "Compiler does not support 'long long'. See file 'luaconf.h' line 24"
#endif
#define LUA_INTEGER long long #define LUA_INTEGER long long
#define LUA_INTEGER_FRMLEN "ll" #define LUA_INTEGER_FRMLEN "ll"