Article View: comp.std.c
Article #3643Re: NULL-pointers are not equal
From: Tanmoy Bhattacharya
Date: Thu, 03 Aug 1995 16:53
Date: Thu, 03 Aug 1995 16:53
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1519 bytes
In article <3vqqtu$2r9@nms.telepost.no>, Rune.huseby@gpi.telemax.no (Rune
Huseby) writes:
|> In Visual C++ 1.5 and Borland C++, the following example prints "false",
even
|> though section 6.2.2.3 of the standard gives that it should print "true"
|>
|> void main(void)
|> {
|> int *ptr1 = NULL;
|> int __far *ptr2 = NULL;
|>
|> if(ptr1 == ptr2)
|> printf("true");
|> else
|> printf("false");
|> }
The standard says nothing about a program that uses __far. If you use an
identifier from the implementation namespace, only the implementation
documentation can tell you what happens: the standard is irrelevant.
Cheers
Tanmoy
--
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Path: arc1-ca.pugleaf.net!qcd.lanl.gov!tanmoy From: tanmoy@qcd.lanl.gov (Tanmoy Bhattacharya) Newsgroups: comp.std.c Subject: Re: NULL-pointers are not equal Date: 3 Aug 1995 16:53:39 GMT Organization: Los Alamos National Laboratory Distribution: world Message-ID: <3vquuj$f6m@newshost.lanl.gov> References: <3vqqtu$2r9@nms.telepost.no> NNTP-Posting-Host: qcd.lanl.gov