std.file functions and embedded NUL characters [CWE-158]

[monkyyy]

On Friday, 1 August 2025 at 00:11:51 UTC, Steven Schveighoffer 
wrote:
> 
> If we checked for mid-string zero terminators on all calls to 
> `toStringz`, we would kill performance where mostly it isn't 
> necessary

I bet the speed test is effectively a tie if its reasonably 
written