int traverseDFS(Graph graph, int start, Dllist close) {
Dllist node, stack;
JRB visited;
int output[100];
int temp;
int i, n, counter = 0;
visited = make_jrb();
stack = new_dllist();
dll_prepend(stack, new_jval_i(start));
while(!dll_empty(stack)) {
node = dll_first(stack);
temp = jval_i(node->val);
dll_delete_node(node);
if(jrb_find_int(visited, temp) == NULL) {
counter++;
// reportFunc(temp);
dll_append(close, new_jval_i(temp));
jrb_insert_int(visited, temp, new_jval_i(temp));
n = outdegree(graph, temp, output);
for(i = 0; i < n; i++) {
if(jrb_find_int(visited, output[i]) == NULL) {
dll_prepend(stack, new_jval_i(output[i]));
}
}
}
}
return counter;
}
main()
{
IS is;
Queue q;
Stack s;
Dllist l;
int i;
Jval j;
is = new_inputstruct(NULL);
while (get_line(is) > 0) {
q = new_queue();
s = new_stack();
l = new_dllist();
for (i = 0; i < strlen(is->fields[0]); i++) {
queue_enqueue(q, new_jval_c(is->fields[0][i]));
stack_push(s, new_jval_c(is->fields[0][i]));
dll_append(l, new_jval_c(is->fields[0][i]));
dll_prepend(l, new_jval_c(is->fields[0][i]));
}
while (!queue_empty(q)) {
j = queue_dequeue(q); printf("%c", j.c);
j = stack_pop(s); printf("%c", j.c);
printf("%c", l->flink->val.c); dll_delete_node(l->flink);
printf("%c", l->flink->val.c); dll_delete_node(l->flink);
printf(" ");
}
printf("\n");
free_queue(q);
free_stack(s);
free_dllist(l);
}
}
int solution(Graph graph, Jval start, Jval stop, Dllist stackVisit, Jval (*cloneFunc)(Jval),
int (*compare)(Jval, Jval), void (*reportFunc)(Jval)) {
Dllist stackRes;
Dllist node;
Jval nowNode, temp;
int counter = 0;
stackRes = new_dllist();
node = dll_first(stackVisit);
nowNode = cloneFunc(node->val);
dll_delete_node(node);
dll_prepend(stackRes, nowNode);
while(!dll_empty(stackVisit)) {
if(isAdjacent(graph, nowNode, start, compare)) {
dll_prepend(stackRes, start);
counter++;
break;
}
do {
node = dll_first(stackVisit);
temp = cloneFunc(node->val);
dll_delete_node(node);
if(isAdjacent(graph, nowNode, temp, compare)) {
dll_prepend(stackRes, temp);
nowNode = temp;
counter++;
break;
}
} while(!dll_empty(stackVisit));
}
printf("Solution: The shortest path between two node: \n");
while(!dll_empty(stackRes)) {
node = dll_first(stackRes);
reportFunc(node->val);
dll_delete_node(node);
}
free_dllist(stackVisit);
return counter;
}
void DFS(Graph graph, Jval start, Jval stop,
Jval (*cloneFunc)(Jval), int (*compare)(Jval, Jval), void (*reportFunc)(Jval)) {
Dllist node, stack;
JRB visited;
Jval *output;
Jval temp, tmp;
int i, n;
visited = make_jrb();
stack = new_dllist();
dll_prepend(stack, start);
if((output = myMalloc(sizeof(Jval), 100)) == NULL) {
return;
}
while(!dll_empty(stack)) {
node = dll_first(stack);
temp = cloneFunc(node->val);
dll_delete_node(node);
if(jrb_find_gen(visited, temp, compare) == NULL) {
reportFunc(temp);
jrb_insert_gen(visited, temp, temp, compare);
if(compare(temp, stop) == 0) {
jrb_free_tree(visited);
free_dllist(stack);
free(output);
return;
}
n = getAdjacentVertices(graph, temp, output, compare);
for(i = 0; i < n; i++) {
if(jrb_find_gen(visited, output[i], compare) == NULL) {
dll_prepend(stack, output[i]);
}
}
}
}
}
int deepFirstSearch(Graph graph, int start, int stop, Dllist close) {
Dllist node, stack;
JRB visited;
int output[100];
int temp;
int i, n;
visited = make_jrb();
stack = new_dllist();
dll_prepend(stack, new_jval_i(start));
while(!dll_empty(stack)) {
node = dll_first(stack);
temp = jval_i(node->val);
dll_delete_node(node);
if(jrb_find_int(visited, temp) == NULL) {
// reportFunc(temp);
dll_append(close, new_jval_i(temp));
jrb_insert_int(visited, temp, new_jval_i(temp));
if(compare(temp, stop) == 0) {
jrb_free_tree(visited);
free_dllist(stack);
return 1;
}
n = outdegree(graph, temp, output);
for(i = 0; i < n; i++) {
if(jrb_find_int(visited, output[i]) == NULL) {
dll_prepend(stack, new_jval_i(output[i]));
}
}
}
}
jrb_free_tree(visited);
free_dllist(stack);
return 0;
}
int main(void) {
A* a = malloc(sizeof(A)), *b = malloc(sizeof(A)), *c = NULL;
List* l = list_init();
Stack* s = stack_init();
Queue* q = queue_init();
DoubleLinkedList* d = dll_init();
printf("a: %d\nB: %d\nc: %d\n", (int)a, (int)b, (int)c);
a->a1 = 1;
a->a2 = 'c';
b->a1 = 2;
b->a2 = 'a';
printf("\n=== LIST TEST ===\n");
list_add(l, a, 0);
list_append(l, b);
list_remove(l, 0);
list_print(l);
c = list_get(l, 0);
printf("c: %d\n", (int)c);
list_delete(l);
printf("\n=== STACK TEST ===\n");
stack_push(s, b);
stack_push(s, a);
stack_pop(s);
stack_print(s);
c = stack_peek(s);
printf("c: %d\n", (int)c);
stack_delete(s);
printf("\n=== QUEUE TEST ===\n");
queue_push(q, a);
queue_push(q, b);
queue_pop(q);
queue_print(q);
c = queue_peek(q);
printf("c: %d\n", (int)c);
queue_delete(q);
printf("\n=== DOUBLE LINKED LIST TEST ===\n");
dll_add(d, b, 0);
dll_prepend(d, a);
dll_remove(d, 1);
dll_print(d);
c = dll_get(d, 0);
printf("c: %d\n", (int)c);
dll_delete(d);
free(a);
free(b);
return 0;
}
int UShortestPath(Graph graph, Jval start, Jval stop,
Jval (*cloneFunc)(Jval), int (*compare)(Jval, Jval), void (*reportFunc)(Jval)) {
Dllist node, queue, stackVisit;
JRB visited;
Jval *output;
Jval temp, tmp;
int i, n;
visited = make_jrb();
queue = new_dllist();
stackVisit = new_dllist();
dll_append(queue, start);
if((output = myMalloc(sizeof(Jval), 100)) == NULL) {
return 0;
}
while(!dll_empty(queue)) {
node = dll_first(queue);
temp = cloneFunc(node->val);
dll_delete_node(node);
if(jrb_find_gen(visited, temp, compare) == NULL) {
jrb_insert_gen(visited, temp, temp, compare);
dll_prepend(stackVisit, temp);
if(compare(temp, stop) == 0) {
return solution(graph, start, stop, stackVisit, cloneFunc, compare, reportFunc);
}
n = getAdjacentVertices(graph, temp, output, compare);
for(i = 0; i < n; i++) {
if(jrb_find_gen(visited, output[i], compare) == NULL) {
dll_append(queue, output[i]);
}
}
}
}
return -1;
}
int UShortestPath(Graph graph, int start, int stop, Dllist close) {
Dllist node, queue, stackVisit;
JRB visited;
int output[100];
int temp;
int i, n;
visited = make_jrb();
queue = new_dllist();
stackVisit = new_dllist();
dll_append(queue, new_jval_i(start));
while(!dll_empty(queue)) {
node = dll_first(queue);
temp = jval_i(node->val);
dll_delete_node(node);
if(jrb_find_int(visited, temp) == NULL) {
jrb_insert_int(visited, temp, new_jval_i(temp));
dll_prepend(stackVisit, new_jval_i(temp));
if(temp == stop) {
return solution(graph, start, stop, stackVisit, close);
}
n = outdegree(graph, temp, output);
for(i = 0; i < n; i++) {
if(jrb_find_int(visited, output[i]) == NULL) {
dll_append(queue, new_jval_i(output[i]));
}
}
}
}
return -1;
}
/* Get flow ring ID, if not present try to create one */
static INLINE int
dhd_flowid_lookup(dhd_pub_t *dhdp, uint8 ifindex,
uint8 prio, char *sa, char *da, uint16 *flowid)
{
uint16 id;
flow_ring_node_t *flow_ring_node;
flow_ring_table_t *flow_ring_table;
unsigned long flags;
DHD_INFO(("%s\n", __FUNCTION__));
if (!dhdp->flow_ring_table)
return BCME_ERROR;
flow_ring_table = (flow_ring_table_t *)dhdp->flow_ring_table;
id = dhd_flowid_find(dhdp, ifindex, prio, sa, da);
if (id == FLOWID_INVALID) {
if_flow_lkup_t *if_flow_lkup;
if_flow_lkup = (if_flow_lkup_t *)dhdp->if_flow_lkup;
if (!if_flow_lkup[ifindex].status)
return BCME_ERROR;
id = dhd_flowid_alloc(dhdp, ifindex, prio, sa, da);
if (id == FLOWID_INVALID) {
DHD_ERROR(("%s: alloc flowid ifindex %u status %u\n",
__FUNCTION__, ifindex, if_flow_lkup[ifindex].status));
return BCME_ERROR;
}
/* register this flowid in dhd_pub */
dhd_add_flowid(dhdp, ifindex, prio, da, id);
}
ASSERT(id < dhdp->num_flow_rings);
flow_ring_node = (flow_ring_node_t *) &flow_ring_table[id];
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
if (flow_ring_node->active) {
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
*flowid = id;
return BCME_OK;
}
/* Init Flow info */
memcpy(flow_ring_node->flow_info.sa, sa, sizeof(flow_ring_node->flow_info.sa));
memcpy(flow_ring_node->flow_info.da, da, sizeof(flow_ring_node->flow_info.da));
flow_ring_node->flow_info.tid = prio;
flow_ring_node->flow_info.ifindex = ifindex;
flow_ring_node->active = TRUE;
flow_ring_node->status = FLOW_RING_STATUS_PENDING;
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
DHD_FLOWID_LOCK(dhdp->flowid_lock, flags);
dll_prepend(&dhdp->bus->const_flowring, &flow_ring_node->list);
DHD_FLOWID_UNLOCK(dhdp->flowid_lock, flags);
/* Create and inform device about the new flow */
if (dhd_bus_flow_ring_create_request(dhdp->bus, (void *)flow_ring_node)
!= BCME_OK) {
DHD_ERROR(("%s: create error %d\n", __FUNCTION__, id));
return BCME_ERROR;
}
*flowid = id;
return BCME_OK;
}