From 2771050dfa0fe6b2b679a9f91749a1ab19cfe7dd Mon Sep 17 00:00:00 2001 From: Roberto Ierusalimschy Date: Fri, 11 Apr 2014 16:02:16 -0300 Subject: [PATCH] 'MIN/MAX_INTEGER' replaced by 'LUA_MIN/MAXINTEGER' --- llimits.h | 7 ++----- lvm.c | 8 ++++---- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/llimits.h b/llimits.h index 6e31a737..77971c4c 100644 --- a/llimits.h +++ b/llimits.h @@ -1,5 +1,5 @@ /* -** $Id: llimits.h,v 1.110 2014/02/26 12:38:43 roberto Exp roberto $ +** $Id: llimits.h,v 1.111 2014/03/07 16:19:00 roberto Exp roberto $ ** Limits, basic types, and some other `installation-dependent' definitions ** See Copyright Notice in lua.h */ @@ -44,11 +44,8 @@ typedef unsigned char lu_byte; /* maximum value for a lua_Unsigned */ -#define MAX_UINTEGER (~(lua_Unsigned)0) +#define MAX_UINTEGER (((lua_Unsigned)LUA_MAXINTEGER << 1) + 1u) -/* minimum and maximum values for lua_Integer */ -#define MAX_INTEGER ((lua_Integer)(MAX_UINTEGER >> 1)) -#define MIN_INTEGER (~MAX_INTEGER) /* ** conversion of pointer to integer diff --git a/lvm.c b/lvm.c index 0bff6210..f30806bd 100644 --- a/lvm.c +++ b/lvm.c @@ -1,5 +1,5 @@ /* -** $Id: lvm.c,v 2.194 2014/04/08 14:28:04 roberto Exp roberto $ +** $Id: lvm.c,v 2.195 2014/04/09 17:05:11 roberto Exp roberto $ ** Lua virtual machine ** See Copyright Notice in lua.h */ @@ -87,7 +87,7 @@ int luaV_tostring (lua_State *L, StkId obj) { ** This function should be called only when 'n' has an integral value. */ int luaV_numtointeger (lua_Number n, lua_Integer *p) { - if (cast_num(MIN_INTEGER) <= n && n < (MAX_INTEGER + cast_num(1))) { + if (cast_num(LUA_MININTEGER) <= n && n < (LUA_MAXINTEGER + cast_num(1))) { *p = cast_integer(n); lua_assert(cast_num(*p) == n); return 1; @@ -343,7 +343,7 @@ void luaV_objlen (lua_State *L, StkId ra, const TValue *rb) { lua_Integer luaV_div (lua_State *L, lua_Integer x, lua_Integer y) { - if (cast_unsigned(y) + 1 <= 1u) { /* special cases: -1 or 0 */ + if (cast_unsigned(y) + 1u <= 1u) { /* special cases: -1 or 0 */ if (y == 0) luaG_runerror(L, "attempt to divide by zero"); return intop(-, 0, x); /* y==-1; avoid overflow with 0x80000...//-1 */ @@ -359,7 +359,7 @@ lua_Integer luaV_div (lua_State *L, lua_Integer x, lua_Integer y) { lua_Integer luaV_mod (lua_State *L, lua_Integer x, lua_Integer y) { - if (cast_unsigned(y) + 1 <= 1u) { /* special cases: -1 or 0 */ + if (cast_unsigned(y) + 1u <= 1u) { /* special cases: -1 or 0 */ if (y == 0) luaG_runerror(L, "attempt to perform 'n%%0'"); return 0; /* y==-1; avoid overflow with 0x80000...%-1 */