along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: edge.c,v 1.1.2.22 2003/07/17 15:06:26 guus Exp $
+ $Id: edge.c,v 1.1.2.23 2003/07/24 12:08:15 guus Exp $
*/
#include "system.h"
avl_tree_t *edge_weight_tree; /* Tree with all edges, sorted on weight */
-static int edge_compare(edge_t *a, edge_t *b)
+static int edge_compare(const edge_t *a, const edge_t *b)
{
return strcmp(a->to->name, b->to->name);
}
-static int edge_weight_compare(edge_t *a, edge_t *b)
+static int edge_weight_compare(const edge_t *a, const edge_t *b)
{
int result;
avl_delete(edge_weight_tree, e);
}
-edge_t *lookup_edge(node_t *from, node_t *to)
+edge_t *lookup_edge(const node_t *from, const node_t *to)
{
- edge_t v;
+ edge_t v = {
+ .from = from,
+ .to = to
+ };
cp();
- v.from = from;
- v.to = to;
-
return avl_search(from->edge_tree, &v);
}