Re: Correct way to push an empty string?

[Roberto Ierusalimschy <roberto@...>]

> > Maybe it is just me, but it seems that it goes without saying (both for
> > memcpy and for luaL_pushlstring and anything similar) that if you use
> > zero bytes in address 'a', 'a' should be irrelevant.
> > 
> > -- Roberto
> > 
> 
> Yes I agree, but having been bitten a few times in the past (a “memcpy” that crashed with NULL pointers even if size was zero) I was seeking confirmation. Thanks.

Well, I stand corrected. According to ISO, 'memcpy' (and, therefore,
luaL_pushlstring) cannot be called with NULL.

-- Roberto