Turbo C stack size
Mic Lacey
mic at sun.soe.clarkson.edu
Sat Jul 21 01:47:53 AEST 1990
PQ
Andy,
I have had the same problem with running out of stack space
using Turbo C 2.0. I am pretty sure (but by no means positive) that
you are limited to 64k worth of stack space. This becomes a problem
when you call functions that allocated large local variables (as these
variables are allocated on the stack when the function is called)d
It can also be a problem if you call may functions from within functions
(this is a common problem with recusive functions). I suspect you are
running out of space because your functions allocate too many variables
on the stack. A possibile solution to this problem is to malloc those
large variables when the function begins (and make sure to free them
before leaving the function). When you malloc a variable the space is
allocated off the heap, which is the space above the stack and below
the top of memory. Try something like this:
int foo(int c)
{
char *array;
array = (char *) malloc(SOME HUGE NUMBER);
...
}
instead of:
int foo(int c)
{
char array[SOME HUGE NUMBER];
...
}
Good luck!!
More information about the Comp.lang.c
mailing list