Restricting user to particular space

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I want my application to restrict user to a predefined space in memory and if user tries to access more than the alloted memory then it should not allow and should display a error message.The applicaion also allocates the memory.So Please help me out what C++ functionality can be used.

Thanks in advance

Posted 20-Oct-11 2:46am

Member 8311490

Updated 20-Oct-11 3:59am

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Maximilien 20-Oct-11 9:19am

Why?

Richard MacCutchan 20-Oct-11 13:46pm

The usual reason.

2 solutions

Solution 1

The user has no control over memory allocation so this is not something you need to be concerned about, unless your application offers some feature that allocates memory on his behalf.

Posted 20-Oct-11 2:50am

Richard MacCutchan

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Stefan_Lang · Accepted Answer · 2011-10-20T05:02:00

1. If you write an application, then this application gest it's separate virtual memory space, and there is no way in heaven or hell to influence the memory space of other applications, which in turn get their own virtual memory space from the OS. You'd need to write an OS to control that!

2. If you want to write a library or subsystem, then you can of course provide mechanisms that influence every application that uses this subsystem.

Assuming you mean the latter, you can simply override the global operators ::operator new() and ::operator delete(). If that is what you wish to accomplish, then maybe you should google for set_new_handler, which I've heard is a somewhat safer version (never tried anything like that myself though).