Guy Harris wrote: > On Apr 3, 2009, at 10:32 AM, [email protected] wrote: > >> Don't crash on linux: >> strlen(NULL) isn't an acceptable call. > > I'd be somewhat surprised if there's a platform out there on which we > run where strlen(NULL) *doesn't* crash; on most if not all platforms > on which we run: > > 1) NULL has all of its bits zero; > > 2) at least one page of address space starting at 0 is deliberately > missing (to catch null-pointer dereferences); > > and I suspect most if not all implementations of strlen() don't > explicitly check for a null argument.
I have this vague recollection of some platform not minding being handed NULL pointers to strings; I think it caused me some grief while porting to Solaris. HPUX maybe? ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <[email protected]> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:[email protected]?subject=unsubscribe
