Ladislav Mecir <lmecir@xxxxxxxxxxx> writes:
> Could you give me an advice how to make the following program (and
> programs using many times the % operator) run reliably when compiled
> by GCC on different operating systems even when the user gives -1 as
> the B value?
>
> #include <stdio.h>
> int main(int argc, char *argv[]) {
> int a = -2147483647;
> int b;
> printf ("The value of B: ");
> scanf ("%i", &b);
> printf ("%i %% %i: %i", a, b, (a - 1) % b);
> return 0;
> }
Don't use '%'. It is machine dependent when used with a negative
number.
This is not a gcc question.
Ian
