Re: Problems migrating lua_cpcall to version 5.3
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- Subject: Re: Problems migrating lua_cpcall to version 5.3
- From: Roberto Ierusalimschy <roberto@...>
- Date: Tue, 3 Apr 2018 17:15:52 -0300
> I have some code which makes use of the deprecated function lua_cpcall:
>
> s.argv[0]=NULL;
> s.argv[1]=data->config.m_luafile;
> s.argv[2]=NULL;
> status = lua_cpcall(L, &pmain, &s);
> report(L, status);
>
> Now the manual says i have to replace lua_cpcall by lua_pushfunction and
> lua_pcall. What I don't understand: how can I hand over my arguments "s"
> with these new functions? They don't seem to have a possibility to deal
> with this kind of parameter which has to be forwarded to the called
> function "pmain"!
You pass it as a regular argument to your function:
lua_pushcfunction(L, &pmain);
lua_pushlightuserdata(L, &s);
status = lua_pcall(L, 1, 0, 0);
-- Roberto