Re: Can lua_next() error?

[Roberto Ierusalimschy <roberto@...>]

> On Mon, Apr 16, 2018 at 2:22 PM, Tom Sutcliffe <tomsci@me.com> wrote:
> 
> > I've been reviewing some of my native code for safety and noticed that
> I've been assuming lua_next() will not raise arbitrary errors.
> 
> Not only can it raise an error, it can also crash.
> 
> http://lua-users.org/lists/lua-l/2017-12/msg00057.html

Practically all functions in the Lua-C API can crash, when called with
invalid arguments. It would be expensive, and often impossible, to check
for that kind of errors. (I believe this happens with most C libraries.)

-- Roberto