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update lua 5.5.1

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Cloud Wu
2026-07-19 18:22:02 +08:00
parent f19d1605b4
commit 5027096d53
34 changed files with 312 additions and 213 deletions
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11
3rd/lua/ltablib.c
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@@ -42,15 +42,17 @@ static int checkfield (lua_State *L, const char *key, int n) {
/*
** Check that 'arg' either is a table or can behave like one (that is,
** has a metatable with the required metamethods)
** has a metatable with the required metamethods).
*/
static void checktab (lua_State *L, int arg, int what) {
if (lua_type(L, arg) != LUA_TTABLE) { /* is it not a table? */
int tp = lua_type(L, arg);
if (tp != LUA_TTABLE) { /* is it not a table? */
int n = 1; /* number of elements to pop */
if (lua_getmetatable(L, arg) && /* must have metatable */
(!(what & TAB_R) || checkfield(L, "__index", ++n)) &&
(!(what & TAB_W) || checkfield(L, "__newindex", ++n)) &&
(!(what & TAB_L) || checkfield(L, "__len", ++n))) {
(!(what & TAB_L) || /* strings don't need '__len' to have a length */
tp == LUA_TSTRING || checkfield(L, "__len", ++n))) {
lua_pop(L, n); /* pop metatable and tested metamethods */
}
else
@@ -204,8 +206,9 @@ static int tpack (lua_State *L) {
static int tunpack (lua_State *L) {
lua_Unsigned n;
lua_Integer len = aux_getn(L, 1, TAB_R);
lua_Integer i = luaL_optinteger(L, 2, 1);
lua_Integer e = luaL_opt(L, luaL_checkinteger, 3, luaL_len(L, 1));
lua_Integer e = luaL_opt(L, luaL_checkinteger, 3, len);
if (i > e) return 0; /* empty range */
n = l_castS2U(e) - l_castS2U(i); /* number of elements minus 1 */
if (l_unlikely(n >= (unsigned int)INT_MAX ||