jscript: Do not call memcpy() with a NULL pointer argument
jacek at codeweavers.com
Fri Dec 19 08:49:48 CST 2008
Andrew Talbot wrote:
> On Thu Dec 18 22:41 , 'James Hawkins' <truiken at gmail.com> sent:
>> I didn't write jscript, so I'm not the expert, but create_string is
>> internal, so we should probably crash if str is NULL instead of hiding
>> the error. What is this patch for?
>> James Hawkins
> Hi James,
> create_string() is called on line 1323 of this file, with str == NULL and
> len = 0. This function always allocates memory for at least one one WCHAR,
> so I zero-terminated it.
The string was always zero-terminated without your patch. It's fine to
call create_string with NULL str argument as long as len is 0 and
current implementation works fine in this case.
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