Re: Static memory allocation

[Ankit Jain <ankitjain1580@yahoo.com>]

sorry boss but this also gives problem

[ankit@Ankit fft]$ cat try2.c
#include <stdio.h>
int main()
{
double a[1450][1450];
 a[149][0]=999.999;
 printf("%lf\n",a[149][0]);
 return 0;
}
[ankit@Ankit fft]$ gcc try2.c
[ankit@Ankit fft]$ ./a.out
Segmentation fault

thanks

ankit
 --- Patrick Percot <ppercot@free.fr> wrote: 
> On Fri, 24 Sep 2004 11:57:08 +0100 (BST), Ankit Jain
> <ankitjain1580@yahoo.com> wrote
> 
> > hi
> 
> Hi,
> 
> > 
> > well i had tried to enquire about this problem
> > 
> > i was not able to find the solution. i know it
> workds
> > when i declare the array globally. i know if i use
> > malloc it will work and i am using the same in my
> > program
> > 
> > but this question is again in my mind that what
> could
> > be the reason that it dosent work here on my
> system
> > because last time when i asked this question on
> some
> > sytem it was able to run which they said that they
> > have less emory then that of my system
> > 
> > my system config.: redhat linux 9.0 +512 RAM
> > this is what my terminal displays
> > 
> > [ankit@Ankit fft]$ cat try2.c
> > #include <stdio.h>
> > int main()
> > {
> > double a[1450][1450];
> >  a[1450][0]=999.999;
> 
> You do not just have a stack  problem : The upper
> bound is not 1450, but
> 1449, because the first index is 0. 
> 
> So  a[1449][0] has  more chances  to  work
> correctly,  but the  problems
> generated  by  such a  fault  can be  insidious  and
>  very difficult  to
> discover, because the error can appear later in your
> program.
> 
> >  printf("%lf\n",a[1450][0]);
> >  return 0;
> > }
> > [ankit@Ankit fft]$ gcc try2.c
> > [ankit@Ankit fft]$ ./a.out
> > Segmentation fault
> > [ankit@Ankit fft]$
> > 
> > i just want to know that if there is some problem
> > related to stack how t oget rid of it
> > 
> > thanks
> > 
> > ANkit
> > 
> > 
> > 
> > 
> >
>
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> À+
> PP
> -- 
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> Patrick Percot.
>  

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