Re: CHello p = 0; p->f(); / what does spec say about this*/

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From	"Bo Persson" <bop@gmb.dk>
Newsgroups	comp.lang.c++
Subject	Re: CHello p = 0; p->f(); / what does spec say about this*/
Date	Thu, 20 Oct 2011 17:45:25 +0200
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lovecreatesbeauty wrote:
> class CHello{
> public:
> void f(){};
> };
>
> int main()
> {
> CHello *p = 0;
> p->f(); /* undefined behavior? what does spec say about this*/
> return 0;
> }

You are not allowed to dereference a null pointer so, yes, this is 
undefined.


Bo Persson

Thread

CHello *p = 0; p->f(); /* what does spec say about this*/ lovecreatesbeauty <lovecreatesbeauty@gmail.com> - 2011-10-20 07:24 -0700
  Re: CHello *p = 0; p->f(); /* what does spec say about this*/ Leigh Johnston <leigh@i42.co.uk> - 2011-10-20 16:12 +0100
  Re: CHello *p = 0; p->f(); /* what does spec say about this*/ "Bo Persson" <bop@gmb.dk> - 2011-10-20 17:45 +0200
    Re: CHello *p = 0; p->f(); /* what does spec say about this*/ lovecreatesbeauty <lovecreatesbeauty@gmail.com> - 2011-10-20 10:55 -0700
      Re: CHello *p = 0; p->f(); /* what does spec say about this*/ Victor Bazarov <v.bazarov@comcast.invalid> - 2011-10-20 14:09 -0400
      Re: CHello *p = 0; p->f(); /* what does spec say about this*/ Robert Wessel <robertwessel2@yahoo.com> - 2011-10-20 13:19 -0500

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