Is pointer in my address space?

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From: Goetz von Escher
Date: Fri, 09 Oct 1992 16:01

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Hi there!

Is there a way to find out if a pointer is a valid pointer in C/C++?
Or in other words: If I want to read a value in memory, how do I
know wether I can read the value at this address without causing
an exception (bus error, segmentation fault and that stuff)?

Anything?
Goetz

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Message-ID: <1992Oct9.160154.2427@bnr.ca>

Path: arc1-ca.pugleaf.net!sparky!uunet!utcsri!torn!cunews!nrcnet0!bnrgate!bgtys9!bnr!crlstu4

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Newsgroups: bnr.lang.c++,comp.lang.c++
Path: arc1-ca.pugleaf.net!sparky!uunet!utcsri!torn!cunews!nrcnet0!bnrgate!bgtys9!bnr!crlstu4
From: crlstu4@bnr.ca (Goetz von Escher)
Subject: Is pointer in my address space?
Message-ID: <1992Oct9.160154.2427@bnr.ca>
Keywords: process address memory pointer
Lines: 9
Sender: crlstu4@bnr (Rob Borcic)
Organization: Bell-Northern Research, Ottawa, Ontario, CANADA
Date: Fri, 9 Oct 92 16:01:54 GMT