[Qt-interest] QString::fromAscii can run past end of string

[Bob Babcock]

Thiago Macieira <thiago at kde.org> wrote in
news:201004140852.50900.thiago at kde.org: 

> The documentation says the second parameter *is* the size, not the
> maximum length.
> 
> It also says that "If size is -1 (default), it is taken to be
> qstrlen(str)." 
> 
> So when you do:
>      fromAscii("This\0isatest", 14);
> 
> You get a Unicode string of 14 codepoints, with a U+0000 in the fifth
> position. 

I'm still surprised that it goes past the terminating null.  It's such an 
unlikely thing to want to do that I assumed the documentation was just not 
mentioning how this case was handled.  I do agree that the code does 
exactly what a literal reading of the documentation says.