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How to test memory allocation with new ?

From: jjleto
Subject: How to test memory allocation with new ?
Date: Mon, 01 Nov 2004 14:17:56 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; fr-FR; rv:1.7.3) Gecko/20040924 Debian/1.7.3-1ubuntu1


How do I handle the following :

        #include <iostream>
        using namespace std;

        int main()
                int n = 0x7FFFFFFF;
                char *pp = new char(n);
                if ( pp != NULL ) {
                        pp[0] = 0;
                        pp[n-1] = 0;
                        cout << "OK" << endl;
                } else {
                        cout << "FAILED" << endl;

It compiles OK, but when I run it, I get a segmentation fault. I thought that testing a NULL value was enough for testing memory allocation (or perhaps it is a bug ? I use gcc (GCC) 3.3.4)


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