Problems
Memory allocation routines fill guard bytes with values that are not supposed to be used by the programmer's algorithms. This is, however, not predictable. When the algorithm uses those values and overwrites the guard bytes with them (only the last write before deallocation is relevant), the overflow can not be detected, because the bytes have not actually changed. Instead, the memory breakpoint option can be used, set on a condition of access to those bytes in a debugger.
Read more about this topic: Guard Byte
Famous quotes containing the word problems:
“There is an enormous chasm between the relatively rich and powerful people who make decisions in government, business, and finance and our poorer neighbors who must depend on these decisions to alleviate the problems caused by their lack of power and influence.”
—Jimmy Carter (James Earl Carter, Jr.)
“If when a businessman speaks of minority employment, or air pollution, or poverty, he speaks in the language of a certified public accountant analyzing a corporate balance sheet, who is to know that he understands the human problems behind the statistical ones? If the businessman would stop talking like a computer printout or a page from the corporate annual report, other people would stop thinking he had a cash register for a heart. It is as simple as that—but that isn’t simple.”
—Louis B. Lundborg (1906–1981)
“I have said many times, and it is literally true, that there is absolutely nothing that could keep me in business, if my job were simply business to me. The human problems which I deal with every day—concerning employees as well as customers—are the problems that fascinate me, that seem important to me.”
—Hortense Odlum (1892–?)