Heh. Do you have this fcn in Scheme?
;-)
Stuart
>
>
> > This gets a bit confusing for more than 9 pins: P10 winds up between
> > P1 and P2!
>
> My local copy of PCB uses this string comparison function to sort
> embedded numbers numerically. I use this to sort netlists, because of
> the same pin numbering bug you mention.
>
> static int
> string_cmp (const char *a, const char *b)
> {
> while (*a && *b)
> {
> if (isdigit(*a) && isdigit(*b))
> {
> int ia = atoi(a);
> int ib = atoi(b);
> if (ia != ib)
> return ia - ib;
> while (isdigit(*a))
> a++;
> while (isdigit(*b))
> b++;
> }
> else if (tolower(*a) != tolower(*b))
> return tolower(*a) - tolower(*b);
> a++;
> b++;
> }
> if (*a)
> return 1;
> if (*b)
> return -1;
> return 0;
> }
>
