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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2019-05-14 11:10:24 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2019-05-14 11:10:24 -0300 |
commit | 347d6961ac14213264c7176e3d125c9ba8475b01 (patch) | |
tree | 73ab74bac7bb0bed03a94b23d97acf400dde1346 /lmathlib.c | |
parent | 0b63d79b36790febd4c081bf8d6737df27529f8d (diff) | |
download | lua-347d6961ac14213264c7176e3d125c9ba8475b01.tar.gz lua-347d6961ac14213264c7176e3d125c9ba8475b01.tar.bz2 lua-347d6961ac14213264c7176e3d125c9ba8475b01.zip |
Define LUA_MAXUNSIGNED as a preprocessor constant
The previous definition of LUA_MAXUNSIGNED used a typecast,
making it unsuitable for constant expressions in the preprocessor.
Diffstat (limited to 'lmathlib.c')
-rw-r--r-- | lmathlib.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -276,7 +276,7 @@ static int math_type (lua_State *L) { | |||
276 | /* there is a 'long long' type (which must have at least 64 bits) */ | 276 | /* there is a 'long long' type (which must have at least 64 bits) */ |
277 | #define Rand64 unsigned long long | 277 | #define Rand64 unsigned long long |
278 | 278 | ||
279 | #elif (LUA_MAXINTEGER >> 30 >> 30) >= 7 | 279 | #elif (LUA_MAXUNSIGNED >> 31 >> 31) >= 3 |
280 | 280 | ||
281 | /* 'lua_Integer' has at least 64 bits */ | 281 | /* 'lua_Integer' has at least 64 bits */ |
282 | #define Rand64 lua_Unsigned | 282 | #define Rand64 lua_Unsigned |
@@ -538,7 +538,7 @@ static lua_Unsigned project (lua_Unsigned ran, lua_Unsigned n, | |||
538 | lim |= (lim >> 4); | 538 | lim |= (lim >> 4); |
539 | lim |= (lim >> 8); | 539 | lim |= (lim >> 8); |
540 | lim |= (lim >> 16); | 540 | lim |= (lim >> 16); |
541 | #if (LUA_MAXINTEGER >> 30) >= 3 | 541 | #if (LUA_MAXUNSIGNED >> 31) >= 3 |
542 | lim |= (lim >> 32); /* integer type has more than 32 bits */ | 542 | lim |= (lim >> 32); /* integer type has more than 32 bits */ |
543 | #endif | 543 | #endif |
544 | } | 544 | } |