/*
* add (or just increment) an arc
*/
void
addarc(
nltype *parentp,
nltype *childp,
unsigned long count,
unsigned long order)
{
arctype *arcp;
#ifdef DEBUG
if(debug & TALLYDEBUG){
printf("[addarc] %lu arcs from %s to %s\n" ,
count, parentp->name, childp->name);
}
#endif
arcp = arclookup(parentp, childp);
if(arcp != NULL){
/*
* a hit: just increment the count.
*/
#ifdef DEBUG
if(debug & TALLYDEBUG){
printf("[tally] hit %ld += %lu\n",
arcp->arc_count, count);
}
#endif
arcp->arc_count += count;
return;
}
arcp = (arctype *)calloc(1, sizeof(arctype));
arcp->arc_parentp = parentp;
arcp->arc_childp = childp;
arcp->arc_count = count;
arcp->arc_order = order;
/*
* Prepend this child to the children of this parent.
*/
arcp->arc_childlist = parentp->children;
parentp->children = arcp;
/*
* Prepend this parent to the parents of this child.
*/
arcp->arc_parentlist = childp->parents;
childp->parents = arcp;
}
/*
* add (or just increment) an arc
*/
void
addarc(nltype *parentp, nltype *childp, long count)
{
arctype *arcp;
# ifdef DEBUG
if ( debug & TALLYDEBUG ) {
printf( "[addarc] %ld arcs from %s to %s\n" ,
count , parentp -> name , childp -> name );
}
# endif /* DEBUG */
arcp = arclookup( parentp , childp );
if ( arcp != 0 ) {
/*
* a hit: just increment the count.
*/
# ifdef DEBUG
if ( debug & TALLYDEBUG ) {
printf( "[tally] hit %ld += %ld\n" ,
arcp -> arc_count , count );
}
# endif /* DEBUG */
arcp -> arc_count += count;
return;
}
arcp = (arctype *)calloc( 1 , sizeof *arcp );
if (arcp == NULL)
errx( 1 , "malloc failed" );
arcp -> arc_parentp = parentp;
arcp -> arc_childp = childp;
arcp -> arc_count = count;
/*
* prepend this child to the children of this parent
*/
arcp -> arc_childlist = parentp -> children;
parentp -> children = arcp;
/*
* prepend this parent to the parents of this child
*/
arcp -> arc_parentlist = childp -> parents;
childp -> parents = arcp;
}
