#include "distance.h"

int make_support_files (char *output, char *units)
{
    struct Categories pcats;

    CELL cat;
    char label[128];

    G_init_cats ((CELL) 1, "Distance Zones", &pcats);

    G_set_cat (cat=1, "distances calculated from these locations", &pcats);
    for (cat = 0; cat < ndist; cat++)
    {
	if (cat == 0)
	  sprintf (label, "0-%s %s", distances[cat].label, units);
        else
        {
         /* improved next, but it would be perfect to achieve (example):
          * 0-100.55 meters
          * 100.56-233.33 meters
          *
          *now we get:
          * 0-100.55 meters
          * 100.55-233.33 meters
          *
          *but it's better that the original code. MN 1/2002
          */
	  sprintf (label, "%s-%s %s", distances[cat-1].label, distances[cat].label, units);
	 }
	  
	G_set_cat (cat+ZONE_INCR, label, &pcats);
    }
    
    G_write_cats (output, &pcats);
    G_free_cats(&pcats);

    return 0;
}