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Update Lua 5.4.4 rc1

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Cloud Wu
2021-11-17 10:57:20 +08:00
parent 38e5b1ca1c
commit d115e626e6
25 changed files with 440 additions and 216 deletions
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11
3rd/lua/lutf8lib.c
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@@ -224,14 +224,11 @@ static int byteoffset (lua_State *L) {
static int iter_aux (lua_State *L, int strict) {
size_t len;
const char *s = luaL_checklstring(L, 1, &len);
lua_Integer n = lua_tointeger(L, 2) - 1;
if (n < 0) /* first iteration? */
n = 0; /* start from here */
else if (n < (lua_Integer)len) {
n++; /* skip current byte */
while (iscont(s + n)) n++; /* and its continuations */
lua_Unsigned n = (lua_Unsigned)lua_tointeger(L, 2);
if (n < len) {
while (iscont(s + n)) n++; /* skip continuation bytes */
}
if (n >= (lua_Integer)len)
if (n >= len) /* (also handles original 'n' being negative) */
return 0; /* no more codepoints */
else {
utfint code;