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From: | Bill Currie <bill AT taniwha DOT tssc DOT co DOT nz> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Null page Protection |
Date: | Tue, 04 Aug 1998 19:46:48 +1200 |
Organization: | NetLink Wellington, New Zealand. |
Lines: | 12 |
Message-ID: | <35C6BC68.2ACC2E5@taniwha.tssc.co.nz> |
References: | <Pine DOT LNX DOT 3 DOT 91 DOT 980803192526 DOT 4814A-100000 AT aditya DOT unigoa DOT ernet DOT in> |
NNTP-Posting-Host: | nzlu02.tssc.co.nz |
Mime-Version: | 1.0 |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Gurunandan R. Bhat wrote: > But aren't all DJGPP images loaded in extended memory where the only > thing you can clobber in the null page is your own code. What advantages > does it serve in these situations, if any. Yes, but you still want to know when your code is wrong, don't you? Anyway, it saves you from getting really strange bugs in your program caused by grabbing data from a null pointer. Bill -- Leave others their otherness.
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