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bugfix: See #1484

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Cloud Wu
2021-10-13 12:57:55 +08:00
parent 0ae839b2dd
commit f80e2cd9b1
1 changed files with 18 additions and 9 deletions
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27
lualib-src/lua-bson.c
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@@ -512,16 +512,25 @@ pack_meta_dict(lua_State *L, struct bson *b, int depth) {
static bool
is_rawarray(lua_State *L) {
size_t len = lua_rawlen(L, -1);
if (len > 0) {
lua_pushinteger(L, len);
if (lua_next(L,-2) == 0) {
return true;
} else {
lua_pop(L,2);
}
// test first key, hash part first in Lua 5.4
lua_pushnil(L);
if (lua_next(L, -2) == 0) {
// empty table
return false;
}
lua_Integer firstkey = lua_tointeger(L, -2);
lua_pop(L, 2);
if (firstkey != 1)
return false;
size_t len = lua_rawlen(L, -1);
lua_pushinteger(L, len);
if (lua_next(L,-2) == 0) {
return true;
} else {
lua_pop(L,2);
return false;
}
return false;
}
static void