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small bugs uncovered in a 64-bit machine (where 'long' has 64 bits)

This commit is contained in:
Roberto Ierusalimschy 2013-06-21 14:27:24 -03:00
parent 81102d3689
commit de6e5a5919
1 changed files with 3 additions and 3 deletions
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6
lbitlib.c
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@ -1,5 +1,5 @@
/*
** $Id: lbitlib.c,v 1.18 2013/03/19 13:19:12 roberto Exp roberto $
** $Id: lbitlib.c,v 1.19 2013/04/16 18:39:37 roberto Exp roberto $
** Standard library for bitwise operations
** See Copyright Notice in lua.h
*/
@ -120,7 +120,7 @@ static int b_arshift (lua_State *L) {
else { /* arithmetic shift for 'negative' number */
if (i >= LUA_NBITS) r = ALLONES;
else
r = trim((r >> i) | ~(~(b_uint)0 >> i)); /* add signal bit */
r = trim((r >> i) | ~(trim(~(b_uint)0) >> i)); /* add signal bit */
lua_pushunsigned(L, r);
return 1;
}
@ -177,7 +177,7 @@ static int b_extract (lua_State *L) {
static int b_replace (lua_State *L) {
int w;
b_uint r = luaL_checkunsigned(L, 1);
b_uint r = trim(luaL_checkunsigned(L, 1));
b_uint v = luaL_checkunsigned(L, 2);
int f = fieldargs(L, 3, &w);
int m = mask(w);