Re: [Dev-C++] limit size on arrays

[Per W. <pw...@ia...>]

Replace "statically" with auto, for arrays declared on the stack.

Global arrays are not stored on the stack, and may be as large as the
processor can supply memory.

/pwm

On Sun, 4 Nov 2007, Jonathan Winterflood wrote:

> Hi,
>
> Statically allocated arrays (as in   type var[SIZE];) are allocated on the
> stack, so the limit would be the stack size. However, allocating more than a
> rather limited number (say 10,20) is generally a bad idea, since you don't
> know how big the stack is, etc.
>
> For larger arrays, it's a better idea to dynamically allocate (malloc/calloc
> in C) > type *var = calloc(sizeof(type),SIZE); //add checks
> You should then be limited by the memory available.
> After that, you probably can't allocate more than 2^32-1
> bytes, which is the max value of an INT32, supposing you're on a 32-bit system.
> That
> said, it's unlikely you'll be able to allocate that much anyways: that's 4Gb....
>
> HTH,
> Jonathan
>
> On 11/4/07, Amar Alabiari <a_j...@ho...> wrote:
> >
> > Hi,
> >
> > Is there any size limit on the array or the matrix that can be used in C
> > or C++? Or does it depend on the compiler rather than the language?
> >
> > Thanks for answering.
> >
> > Alberto.
> >
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