Re: Access raw buffer (for binary data)
| From: | Derick Rethans | Date: | Tue, 01 Nov 2005 08:53:45 +0000 |
| Subject: | Re: Access raw buffer (for binary data) | ||
| References: | 1 2 3 4 5 6 7 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-19877@lists.php.net to get a copy of this message | ||
On Tue, 1 Nov 2005, Rasmus Lerdorf wrote:
> Derick Rethans wrote:
> > On Tue, 1 Nov 2005, Marco Bambini wrote:
> >
> > > Thanks a lot Rasmus, I have just (wrongly) assumed that the
> > > convert_to_string
> > > function tries to search for the 0 termination character.
> >
> > It doesn't - but, PHP strings always require \0 to be the last character so
> > you always need to allocate one more byte and put the \0 in there - even for
> > binary data.
>
> That's not really a PHP requirement, but more of a good convention to prevent
> something external from falling off the end of a string. If you are just
> working with it internally you don't need it.
Right, but if you store it as a string in a ZVAL you do, otherwise the
engine can warn you about it.
Derick