Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!ncar!ico!haddock!karl
From: karl@haddock.ima.isc.com (Karl Heuer)
Newsgroups: comp.lang.c
Subject: Re: Operations on pointers to void.
Message-ID: <17422@haddock.ima.isc.com>
Date: 15 Aug 90 23:02:04 GMT
References: <1990Aug10.165644.9238@zoo.toronto.edu> <482@array.UUCP> <1990Aug12.231202.23826@druid.uucp> <174@srchtec.UUCP>
Reply-To: karl@kelp.ima.isc.com (Karl Heuer)
Organization: Interactive Systems, Cambridge, MA 02138-5302
Lines: 9

In article <174@srchtec.UUCP> johnb@srchtec.UUCP (John Baldwin) writes:
>	void *myptr; ... *((char *)&myptr) += 3;

The cast should be to `char **', and it won't work if `myptr' is a register.
I think `myptr = (void *)((char *)myptr + 3);' is better, or (if all the
operations are on the same datatype anyway) just make a `char *' copy of the
original pointer and use it exclusively.

Karl W. Z. Heuer (karl@kelp.ima.isc.com or ima!kelp!karl), The Walking Lint