Xref: utzoo comp.lang.c++:6774 comp.std.c:2584
Newsgroups: comp.lang.c++,comp.std.c
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: references to dereferenced null pointers
Message-ID: <1990Mar11.040935.1388@utzoo.uucp>
Organization: U of Toronto Zoology
References: <51083@microsoft.UUCP> <25EB8EE8.8462@paris.ics.uci.edu> <52081@microsoft.UUCP> <25F8D2FB.10981@paris.ics.uci.edu> <1990Mar11.015305.28264@utzoo.uucp>
Date: Sun, 11 Mar 90 04:09:35 GMT

In article <1990Mar11.015305.28264@utzoo.uucp> I wrote:
>This code is illegal in C, and always has been... The result of converting the
>integer value 0 to a pointer at run time is implementation-defined.

Oops; change "illegal" to "naive, improper, unreliable, and unportable".
It's thoroughly bad code, but it is not actually illegal, as my own
further comments implied.
-- 
MSDOS, abbrev:  Maybe SomeDay |     Henry Spencer at U of Toronto Zoology
an Operating System.          | uunet!attcan!utzoo!henry henry@zoo.toronto.edu