Question

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What is a stack overflow error?

It just happens when I declare large arrays with the size of 4096*1024

First-chance exception at 0x01382e97 in nsfclient.exe: 0xC00000FD: Stack overflow.
Unhandled exception at 0x01382e97 in nsfclient.exe: 0xC00000FD: Stack overflow.

What should I do to be able to declare big arrays in Visual Studio?

Answer 1

You should explicitly increase the stack size to be able to store bigger arrays on the stack. As far as I remember this is done using the /F option.

Another option would be to use dynamic arrays(allocated using malloc or new).

EDIT(thanks to Jefrrey Theobald): you will also have to increase the stack size in the linker, which is done using the /stack option. This option can also be set by right-click on the project->properties->linker->system and setting stack commit and stack reserve size.