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Define LUA_MAXUNSIGNED as a preprocessor constant

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The previous definition of LUA_MAXUNSIGNED used a typecast,
making it unsuitable for constant expressions in the preprocessor.
This commit is contained in:
Roberto Ierusalimschy
2019-05-14 11:10:24 -03:00
parent 0b63d79b36
commit 347d6961ac
2 changed files with 10 additions and 3 deletions
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9
luaconf.h
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@@ -515,7 +515,6 @@
*/
#define LUA_UNSIGNED unsigned LUAI_UACINT
#define LUA_MAXUNSIGNED (~(lua_Unsigned)0)
#define LUA_UNSIGNEDBITS (sizeof(LUA_UNSIGNED) * CHAR_BIT)
@@ -530,6 +529,8 @@
#define LUA_MAXINTEGER INT_MAX
#define LUA_MININTEGER INT_MIN
#define LUA_MAXUNSIGNED UINT_MAX
#elif LUA_INT_TYPE == LUA_INT_LONG /* }{ long */
#define LUA_INTEGER long
@@ -538,6 +539,8 @@
#define LUA_MAXINTEGER LONG_MAX
#define LUA_MININTEGER LONG_MIN
#define LUA_MAXUNSIGNED ULONG_MAX
#elif LUA_INT_TYPE == LUA_INT_LONGLONG /* }{ long long */
/* use presence of macro LLONG_MAX as proxy for C99 compliance */
@@ -550,6 +553,8 @@
#define LUA_MAXINTEGER LLONG_MAX
#define LUA_MININTEGER LLONG_MIN
#define LUA_MAXUNSIGNED ULLONG_MAX
#elif defined(LUA_USE_WINDOWS) /* }{ */
/* in Windows, can use specific Windows types */
@@ -559,6 +564,8 @@
#define LUA_MAXINTEGER _I64_MAX
#define LUA_MININTEGER _I64_MIN
#define LUA_MAXUNSIGNED _UI64_MAX
#else /* }{ */
#error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \