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From: guy%gorodish@Sun.COM (Guy Harris)
Newsgroups: news.software.b
Subject: Re: News for Xenix on PC AT ?
Message-ID: <17005@sun.uucp>
Date: Mon, 20-Apr-87 14:05:33 EST
Article-I.D.: sun.17005
Posted: Mon Apr 20 14:05:33 1987
Date-Received: Tue, 21-Apr-87 03:10:28 EST
References: <18346@ucbvax.BERKELEY.EDU> <145@sds.UUCP>
Sender: news@sun.uucp
Reply-To: guy@sun.UUCP (Guy Harris)
Organization: Sun Microsystems, Mountain View
Lines: 23

>4: stupid problems from [censored] programmers who think that
>   sizeof(int) == sizeof(char *) is a universal constant.  similiar
>   problems from similar programmers who assign pointers of different
>   types w/o casts. (e.g.  char * = char ** w/ no cast).  also present
>   are things like:
>	charptr = malloc(1024);
>	if ( !charptr ) ...	/* this should be (charptr != (char *)NULL) */

This last one falls under the heading of "stupid problems from
[censored] compiler writers who didn't understand C before inflicting
something that they claim is a C compiler on Xenix users."

	if (!charptr) ...

is IDENTICAL in meaning to

	if (charptr == 0) ...

which, in turn, is IDENTICAL in meaning to

	if (charptr == (char *)0) ...

if "charptr" is of type "char *".