Re: Bug in lua_getfield() ?

[Petr Stetiar <ynezz@...>]

Rici Lake <lua@ricilake.net> [2007-03-25 23:36:16]:

> Petr Stetiar wrote:
> >The problem happens in my C lua_get_function(), which calls lua_getfield()
> >about 200 times per minute. 
> >
> >int lua_get_function(char *function)
> >{
> >	... snip ...
> >	lua_getfield(L, LUA_GLOBALSINDEX, function);
> >	... snip ...
> >}
> 
> Do you check to make sure that there was a hook with that name? It's 
> hard to tell from your snipped code.
> 
> You should be doing something like:
> 
>   lua_getfield(L, LUA_GLOBALSINDEX, function);
>   if (!lua_isnil(L, -1)) { ... call the function ... }

Ok, but the memory is already corrupted by lua_getfield(), even before check
lua_isnil().

-- ynezz