On Thu, Aug 02, 2001 at 09:18:40AM -0700, Rasmus Lerdorf wrote:
> > can it be assumed that
> > zval.str.val[zval.str.len] = '\0'?
> >
> > i.e., the byte after the string in a zval is the null-byte?
> >
> > That is assumed in various places in ext/standard/string.c, and AFAIK
> > that may not always be true.
> 
> No code in PHP should assume this.  PHP should always check the length.
> However, many external libraries that take string arguments are not going
> to be able to check our length property and we therefore should strive to
> null-terminate all strings.  I noticed Thies has been going through
> recently and cleaning this up a bit.
    
    in debug mode php will also trow a warning if it finds a not
    zero-terminated string during execution.

    tc

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