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char array not terminating



I want to be able to XOR a char array, but it doesn't seem to be terminating properly any ideas how to do this?

Michael


char * foo; foo = malloc(4);

        char tempFoo[] =
        {        'f'^0xc2,
                'o'^0xc2,
                'o'^0xc2,
                0x0
        };

        memcpy(foo, tempFoo, 4);

        for(i = 0 ; i < 4 ; i ++)
        {
                tempFoo[i] = tempFoo[i]^0xc2;
        }


printf("foo %s\n", foo); printf("tempFoo %s\n", tempFoo); NSLog(@"tempFoo, %@", [NSString stringWithUTF8String:tempFoo]);

foo \244\255\255
tempFoo foo\302
2006-01-02 19:07:19.958 GuitarPrompter[2710] tempFoo, (null)



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