How to find the free memory on windows

[iamvish]

Hi all,
I am using new operator to allocate the memory
and I want to use maximum free memory for my
program without deleting previously allocated memory.

After allocating some memory new throws
bad_alloc exception for insufficient memory
now I want to avoid this exception.
So before allocating memory I have to check amount
of free memory. I am using GlobalMemoryStatus to get
the current free memory.

new is throwing exception still GlobalMemoryStatus shows
sufficient free memory which is more than I am trying to allocate.

I am using Visual Studio 2005 for development .

Is there any other way to check correct free memory..?

Please help me..

[VladimirF]

Is there any other way to check correct free memory..?

Yes, and you are doing it - just use "new" to get what you want; if it fails - adjust your logic.
What's wrong with getting bad_alloc?
You need to know if you can allocate N bytes of memory, NOT if there is that much free memory (it can be fragmented).

[Igor Vartanov]

Besides, though it seems off the topic, I'd recommend to review your memory allocation/deallocation design. Only once I ran into the memory insufficiency, for all these years.

[olivthill2]

There is a difference between the amount of free memory for the whole computer, and the amount of free memory for a process.

Are you using a 32-bit version of Windows and do you want to allocate more than 2GB of memory?

See "Memory Limits for Windows Releases" at http://msdn.microsoft.com/en-us/libr...78(VS.85).aspx