On Tue, Oct 20, 2009 at 05:08:40AM +0200, Polytropon wrote: > On Mon, 19 Oct 2009 08:58:05 -0500, David Kelly <dke...@hiwaay.net> wrote: > > On Mon, Oct 19, 2009 at 05:43:44AM +0200, Polytropon wrote: > > > to make sure s is not NULL, or testing for it explicitely like > > > > > > if(!s) > > > ... error handling here ... > > > > You are missing my point that *s == 0 is not a good out of bounds > > range check. > > That's correct. Test != NULL just ensures that it is not a NULL > pointer. Range checking should always be applied additionally.
Polytropon's "if(!s)" is testing for null pointer and thats a useful test, but I'm testing for a pointer to a null which is something else. Access through a null pointer should result in a memory violation core dump. -- David Kelly N4HHE, dke...@hiwaay.net ======================================================================== Whom computers would destroy, they must first drive mad. _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"