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From: xtdn@levels.sait.edu.au
Newsgroups: comp.std.c
Subject: Re: Frustrated trying to be portable
Message-ID: <15938.27d2c9d3@levels.sait.edu.au>
Date: 4 Mar 91 22:27:31 GMT
References: <1991Feb20.175318.28496@zoo.toronto.edu> <2960@cirrusl.UUCP> <N4Q94O2@xds13.ferranti.com> <15367@smoke.brl.mil>
Organization: University of South Australia
Lines: 14

gwyn@smoke.brl.mil (Doug Gwyn) writes:
> In article <N4Q94O2@xds13.ferranti.com> peter@ficc.ferranti.com (Peter da Silva) writes:
> -The result of comparing two pointers into different objects is undefined
> -but when you don't care about the result why worry?
[...]
> for some architectures the C run-time implementation
> may trap on an attempt to compare two pointers to different objects.

Does this include == and !=, or just the other inequalities?


David Newall, who no longer works       Phone:  +61 8 344 2008
for SA Institute of Technology          E-mail: xtdn@lux.sait.edu.au
                "Life is uncertain:  Eat dessert first"