int set_union(Set *setu, const Set *set1, const Set *set2) {
ListElmt *member;
void *data;
set_init(setu, set1->match, NULL);
for (member = list_head(set1); member != NULL; member = list_next(member)) {
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0) {
set_destroy(setu);
return -1;
}
}
for (member = list_head(set2); member != NULL; member = list_next(member)) {
if (set_is_member(set1, list_data(member))) {
continue;
}
else {
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0) {
set_destroy(setu);
return -1;
}
}
}
return 0;
}
static void test_ops(void)
{
Set *s1 = set_create();
Set *s2 = set_create();
Set *s3 = set_create();
if (s1 == 0 || s2 == 0 || s3 == 0)
err_syserr("Out of memory\n");
load_set(s1, 1, 3, 4, 6);
dump_set("S1", s1);
load_set(s2, 2, 5, 7, 9);
dump_set("S2", s2);
set_union(s1, s2, s3);
dump_set("S1 union S2", s3);
set_empty(s3);
set_intersect(s1, s2, s3);
dump_set("S1 intersect S2", s3);
set_empty(s3);
set_difference(s1, s2, s3);
dump_set("S1 minus S2", s3);
set_empty(s3);
set_difference(s2, s1, s3);
dump_set("S2 minus S1", s3);
set_destroy(s1);
set_destroy(s2);
set_destroy(s3);
}
int set_union(Set *st, const Set *st1, const Set *st2){
set_init(st, st1->destroy, st1->match);
Node *pCurrentNode = list_head(st1);
while(pCurrentNode){
/* trust use's st1 is a really set(no duplicate node) */
if(list_push(st, list_node_data(pCurrentNode)) != 0){
set_destroy(st);
return -1;
}
pCurrentNode = list_node_next(pCurrentNode);
}
pCurrentNode = list_head(st2);
while(pCurrentNode){
if(!set_is_member(st, list_node_data(pCurrentNode))){
if(list_push(st, list_node_data(pCurrentNode)) != 0){
set_destroy(st);
return -1;
}
}
pCurrentNode = list_node_next(pCurrentNode);
}
return 0;
}
/* graph_destroy */
void graph_destroy(Graph *graph)
{
AdjList *adjlist;
/* Remove each adjacency-list structure and destroy its adjacency list.*/
while (list_size(&graph->adjlists) > 0) {
if (list_rem_next(&graph->adjlists, NULL,
(void **)&adjlist) == 0) {
set_destroy(&adjlist->adjacent);
if (graph->destroy != NULL) {
graph->destroy(adjlist->vertex);
}
free(adjlist);
}
}
/* Destroy the list of adjacency-list structures, which is now empty. */
list_destroy(&graph->adjlists);
/* No operation are allowed now,
* but clear the structures as a precaution. */
memset(graph, 0, sizeof(Graph));
return;
}
int set_intersection(Set *seti, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
/*
* Initialize set
*/
set_init(seti, set1->match, NULL);
/*
* Insert elements that are in both sets
*/
member = list_head(set1);
for ( ; member != NULL; member = list_next(member)) {
if (set_is_member(set2, list_data(member))) {
data = list_data(member);
if (list_ins_next(seti, list_tail(seti), data) != 0) {
set_destroy(seti);
return -1;
}
}
}
return 0;
}
int
main(int argc, char **argv)
{
struct set *set;
const char *str1 = "test1";
const char *str2 = "test2";
const char *str3 = "test3";
set = set_create(badhash, string_key_equals);
/* Unlike the hash table equivalent of this test, use an extra
* string so that the rehash happens at the right time.
*/
set_add(set, str1);
set_add(set, str2);
set_add(set, str3);
set_remove(set, str2);
set_add(set, str3);
set_remove(set, str3);
assert(!set_contains(set, str3));
set_destroy(set, NULL);
return 0;
}
void bfs_data_structure_destroy(set_t** visited_ptr, queue_t** queue_ptr)
{
assert(queue_ptr != NULL);
struct bfs_node_struct *bfs_node_ptr = NULL;
/* Check if the set is already destroyed */
if(*visited_ptr != NULL)
{
/* Destroy the set */
set_destroy(visited_ptr);
*visited_ptr = NULL;
}
/* Check if the queue is already destroyed */
if(*queue_ptr != NULL)
{
/* Free all queue nodes */
while(!queue_empty(*queue_ptr))
{
if(queue_dequeue(*queue_ptr, (void*)&bfs_node_ptr))
free(bfs_node_ptr);
else break;
}
/* Destroy the queue */
queue_destroy(queue_ptr);
*queue_ptr = NULL;
}
}
/* set_differece */
int set_differece(Set *setd, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
/* Initialize the set for the difference. */
set_init(setd, set1->match, NULL);
/* Insert the member from set1 not in set2. */
for (member = list_head(set1); member != NULL; member = list_next(member))
{
if (!set_is_member(set2, list_data(member)))
{
data = list_data(member);
if (list_ins_next(setd, list_tail(setd), data) != 0)
{
set_destroy(setd);
return -1;
}
}
}
return 0;
}
int set_difference(Set *setd, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
/*
* Initialize set
*/
set_init(setd, set1->match, NULL);
/*
* Insert elements that are in set1 but not set2
*/
member = list_head(set1);
for ( ; member != NULL; member = list_next(member)) {
if (!set_is_member(set2, list_data(member))) {
data = list_data(member);
if (list_ins_next(setd, list_tail(setd), data) != 0) {
set_destroy(setd);
return -1;
}
}
}
return 0;
}
int main(int argc, char *argv[])
{
int i, size = 100, *x;
struct set *s, *t, *u;
if (argc > 1)
size = atoi(argv[1]);
srand(time(NULL));
s = set_create(size, sizeof(int), cmpint);
t = set_create(size, sizeof(int), cmpint);
if (s == NULL || t == NULL){
printf("Unable to create the test set\n");
return 1;
}
printf("Inserting into first set...\n");
for (i = 0; i < size; i++){
int y = rand() % size;
printf("%d ", y);
set_insert(s, &y);
}
printf("\n\n");
printf("The set contains:\n");
for (set_reset(s), x = set_next(s); x != NULL; x = set_next(s))
printf("%d ", *x);
printf("\n\n");
printf("Inserting into second set...\n");
for (i = 0; i < size; i++){
int y = rand() % size;
printf("%d ", y);
set_insert(t, &y);
}
printf("\n\n");
printf("The set contains:\n");
for (set_reset(t), x = set_next(t); x != NULL; x = set_next(t))
printf("%d ", *x);
printf("\n\n");
u = set_union(s, t);
printf("The union of the two sets is:\n");
for (set_reset(u), x = set_next(u); x != NULL; x = set_next(u))
printf("%d ", *x);
printf("\n\n");
set_destroy(u);
u = set_diff(s, t);
printf("The difference of the two sets is:\n");
for (set_reset(u), x = set_next(u); x != NULL; x = set_next(u))
printf("%d ", *x);
printf("\n\n");
return 0;
}
void solver_bfs_destroy(solver *s) {
bfs_data bfs = *((bfs_data *) solver_get_data(s));
set_destroy(bfs.visited);
list_destroy(bfs.queue);
map_destroy(bfs.parent);
free(solver_get_data(s));
solver_destroy(s);
}
static void test_set(void)
{
Set *set = set_create();
if (set == 0)
err_syserr("Out of memory\n");
load_set(set, 1, 3, 4, 6);
dump_set("S0", set);
set_destroy(set);
}
/*
* NOTE: We expect setu to be uninitialized and empty.
*/
int set_union(Set *setu, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
/*
* Initialize set
*/
set_init(setu, set1->match, NULL);
/*
* Insert members of first set
*/
member = list_head(set1);
for ( ; member != NULL; member = list_next(member)) {
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0) {
set_destroy(setu);
return -1;
}
}
/*
* Insert members of second set
*/
member = list_head(set2);
for ( ; member != NULL; member = list_next(member)) {
if (set_is_member(setu, list_data(member)))
continue;
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0) {
set_destroy(setu);
return -1;
}
}
return 0;
}
int main(int argc, char *argv[])
{
set *s = set_init(10);
set *t = set_init(3);
set *r;
set_iter i;
char *p;
set_add(s, "calvin");
set_add(s, "hobbes");
set_add(s, "alfred");
set_add(s, "hobbes");
set_add(t, "batman");
set_add(t, "robin");
set_add(t, "calvin");
set_add(t, "kevin bacon");
set_add(t, "alfred");
/*printf("len: %d\n", set_size(s));
printf("calvin: %d\nhobz: %d\n", set_ismember(s, "calvin"), set_ismember(s, "hobz"));*/
r = set_xor(s, t);
set_iter_init(r, &i);
while((p = set_iterate(r, &i)) != NULL) {
printf("member: %s\n", p);
}
set_destroy(s);
set_destroy(t);
set_destroy(r);
return 0;
}
/* set_union */
int set_union(Set *setu, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
/* Initialize the set for the union. */
set_init(setu, set1->match, NULL);
/* Insert the members of the first set. */
for (member = list_head(set1); member != NULL; member = list_next(member))
{
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0)
{
set_destroy(setu);
return -1;
}
}
/* Insert the members of the second set. */
for (member = list_head(set2); member != NULL; member = list_next(member))
{
if (set_is_member(set1, list_data(member)))
{
/* Do not allow the insertion of duplicates. */
continue;
}
else
{
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0)
{
set_destroy(setu);
return -1;
}
}
}
return 0;
}
range* range_from_braces(range_request* rr,
const range* r1, const range* r2, const range* r3)
{
int i, j, k;
set_element** m1;
set_element** m2;
set_element** m3;
set* temp = NULL;
range* bigrange;
char* bundle;
apr_pool_t* pool = range_request_pool(rr);
if(r1->nodes->members == 0) {
if(!temp) {
temp = set_new(pool, 1);
set_add(temp, "", NULL);
}
m1 = set_members(temp);
} else m1 = set_members(r1->nodes);
if(r2->nodes->members == 0) {
if(!temp) {
temp = set_new(pool, 1);
set_add(temp, "", NULL);
}
m2 = set_members(temp);
} else m2 = set_members(r2->nodes);
if(r3->nodes->members == 0) {
if(!temp) {
temp = set_new(pool, 1);
set_add(temp, "", NULL);
}
m3 = set_members(temp);
} else m3 = set_members(r3->nodes);
bigrange = range_new(rr);
for(i = 0; m1[i]; i++)
for(j = 0; m2[j]; j++)
for(k = 0; m3[k]; k++) {
bundle = apr_pstrcat(pool,
m1[i]->name, m2[j]->name,
m3[k]->name, NULL);
range_add(bigrange, bundle);
}
if (temp) set_destroy(temp);
bigrange->quoted = r1->quoted || r2->quoted || r3->quoted;
return bigrange;
}
int set_union(Set *setu, const Set *set1, const Set *set2) {
ListElem *member;
void *data;
//init union
set_init(setu, set1->match, NULL);
//insert members of the first set
for (member = list_head(set1); member != NULL; member = list_next(member)) {
data = list_data(member);
if (list_ins_next(setu,list_tail(setu),data)!=0) {
set_destroy(setu);
return -1;
}
}
//insert members of the second set
for (member = list_head(set2); member != NULL; member = list_next(member)) {
if (set_is_member(set1,list_data(member))) {
//no duplicates
continue;
} else {
data = list_data(member);
if (list_ins_next(setu,list_tail(setu),data)!=0) {
set_destroy(setu);
return -1;
}
}
}
return 0;
};
int set_union(Set *setu, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
set_init(setu, set1->match, NULL);
/* Insert all members of the first set */
for (member = list_head(set1); member != NULL; member = list_next(member))
{
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0)
{
set_destroy(setu);
return -1;
}
}
/* Insert members of the second set not already present */
for (member = list_head(set2); member != NULL; member = list_next(member))
{
if (set_is_member(set1, list_data(member)))
{
continue;
}
else
{
data = list_data(member);
if (list_ins_next(setu, list_tail(setu), data) != 0)
{
set_destroy(setu);
return -1;
}
}
}
return 0;
}
int set_difference(Set *st, const Set *st1, const Set *st2){
set_init(st, st1->destroy, st1->match);
Node *pCurrentNode = list_head(st1);
while(pCurrentNode){
if(!set_is_member(st2, list_node_data(pCurrentNode))){
if(set_insert(st, list_node_data(pCurrentNode))!=0){
set_destroy(st);
return -1;
}
}
pCurrentNode = list_node_next(pCurrentNode);
}
return 0;
}
int cover(Set *members, Set *subsets, Set *covering){
Set intersection;
KSet *subset;
ListElmt *member, *max_member;
void *data;
int max_size;
//Initialize the covering.
set_init(covering, subsets->match, NULL);
//Continue while there are noncovered members and candidate subsets.
while(set_size(members)>0 && set_size(subsets)>0){
//Find the subset that covers the most members.
max_size = 0;
for(member=list_head(subsets); member!=NULL; member=list_next(member)){
if(set_intersection(&intersection, &((KSet *)list_data(member))->set, members) != 0) return -1;
if(set_size(&intersection)>max_size){
max_member = member;
max_size = set_size(&intersection);
}
set_destroy(&intersection);
}
//A covering is not possible if there was no intersection.
if(max_size == 0) return 1;
//Insert the selected subset into the covering.
subset = (KSet *)list_data(max_member);
if(set_insert(covering, subset) != 0) return -1;
//Remove each covered member from the set of noncovered members.
for(member=list_head(&((KSet *)list_data(max_member))->set); member!=NULL; member=list_next(member)){
data = list_data(member);
if(set_remove(members, (void**)&data)==0 && members->destroy!=NULL) members->destroy(data);
}
//Remove the subset from the set of candidate subsets.
if(set_remove(subsets, (void **)&subset) != 0) return -1;
}
//No covering is possible if there are still noncovered members.
if(set_size(members) > 0) return -1;
return 0;
}
int main(int argc, char **argv)
{
int i = 0;
int arg_data_index = 0;
struct cmdline_opt options;
set_t *set;
arg_data_index = parse_args(argc, argv, &options);
set = set_create();
for (i = arg_data_index; i < argc; i++) {
process_datafile(argv[i], set, &options);
}
set_destroy(set);
return EXIT_SUCCESS;
}
int set_intersection(Set *seti, const Set *set1, const Set *set2) {
ListElmt *member;
void *data;
set_init(seti, set1->match, NULL);
for (member = list_head(set1); member != NULL; member = list_next(member)) {
if (set_is_member(set2, list_data(member))) {
data = list_data(member);
if (list_ins_next(seti, list_tail(seti), data) != 0) {
set_destroy(seti);
return -1;
}
}
}
return 0;
}
void graph_destroy(Graph *graph)
{
AdjList *adjlist;
// 移除每一个相邻的链表结构和链表
while(list_size(&graph->adjlists) > 0) {
if (list_rem_next(&graph->adjlists, NULL, (void **)&adjlist) == 0) {
set_destroy(&adjlist->adjacent);
if (graph->destroy != NULL) {
graph->destroy(adjlist->vertex);
free(adjlist);
}
}
}
list_destory(&graph->adjlists);
memset(graph, 0 sizeof(Graph));
return;
}
int set_difference(Set *setd, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
set_init(setd, set1->match, NULL);
/* Insert members in set 1 that are not in set 2 */
for (member = list_head(set1); member != NULL; member = list_next(member))
{
if (!set_is_member(set2, list_data(member)))
{
data = list_data(member);
if (list_ins_next(setd, list_tail(setd), data) != 0)
{
set_destroy(setd);
return -1;
}
}
}
return 0;
}
int
main(int argc, char **argv)
{
struct set *set;
struct set_entry *entry;
int size = 10000;
uint32_t keys[size];
uint32_t i, random_value;
set = set_create(key_value, uint32_t_key_equals);
for (i = 0; i < size; i++) {
keys[i] = i;
set_add(set, keys + i);
}
/* Test the no-predicate case. */
entry = set_random_entry(set, NULL);
assert(entry);
/* Check that we're getting different entries and that the predicate
* works.
*/
for (i = 0; i < 100; i++) {
entry = set_random_entry(set, uint32_t_key_is_even);
assert(entry);
assert((key_value(entry->key) & 1) == 0);
if (i == 0 || key_value(entry->key) != random_value)
break;
random_value = key_value(entry->key);
}
assert(i != 100);
set_destroy(set, NULL);
return 0;
}
//set_intersection
int set_intersection(Set *seti, const Set *set1, const Set *set2)
{
ListElmt *member;
void *data;
//Initialize the set for the intersection.
set_init(seti, set1->match, NULL);
//insert the members present in both sets.
for (member = list_head(set1); member != NULL; member = list_next(member))
{
if (set_is_member(set2, list_data(member)))
{
data = list_data(member);
if (list_ins_next(seti, list_tail(seti), data) != 0)
{
set_destroy(seti);
return -1;
}
}
}
return 0;
}
set_t *
set(char *setname_p, expr_t * exprlist_p)
{
set_t *new_p;
set_t *old_p;
/* does this setname exist already? */
old_p = set_find(setname_p);
if (old_p)
set_destroy(old_p);
/* create a new set */
new_p = new(set_t);
queue_init(&new_p->qn);
new_p->setname_p = setname_p;
new_p->exprlist_p = exprlist_p;
/* append the new set to the global list */
(void) queue_append(&g_setlist, &new_p->qn);
return (new_p);
} /* end set */
int set_difference(Set *setd, const Set *set1, const Set *set2) {
ListElem *member;
void *data;
//init union
set_init(setd, set1->match, NULL);
//insert members of the first set
for (member = list_head(set1); member != NULL; member = list_next(member)) {
if (!set_is_member(set2, list_data(member))) {
data = list_data(member);
if (list_ins_next(setd, list_tail(setd), data) != 0) {
set_destroy(setd);
return -1;
}
}
}
return 0;
};
int verify(const char *command, int argc, char **argv) {
int ret = 1;
unsigned char signature[sizeof(ecdsa_signature_t)];
set pubkeys, signatures;
set_init(&pubkeys, sizeof(ecc_25519_work_t), 5);
set_init(&signatures, sizeof(signature), 5);
size_t min_good_signatures = 1;
int opt;
while ((opt = getopt(argc, argv, "s:p:n:")) != -1) {
ecc_int256_t pubkey_packed;
ecc_25519_work_t pubkey;
switch (opt) {
case 's':
if (!parsehex(signature, optarg, sizeof(signature))) {
fprintf(stderr, "Error while reading signature %s\n", optarg);
break;
}
if (!set_add(&signatures, signature)) {
fprintf(stderr, "Error in array_add\n");
goto out;
}
break;
case 'p':
if (!parsehex(pubkey_packed.p, optarg, 32)) {
fprintf(stderr, "Error while reading pubkey %s\n", optarg);
break;
}
int ok = ecc_25519_load_packed_legacy(&pubkey, &pubkey_packed);
if (!ok || !ecdsa_is_valid_pubkey(&pubkey)) {
fprintf(stderr, "Invalid pubkey %s\n", optarg);
break;
}
if (!set_add(&pubkeys, &pubkey)) {
fprintf(stderr, "Error in array_add\n");
goto out;
}
break;
case 'n':
min_good_signatures = atoi(optarg);
}
}
if (optind > argc) {
fprintf(stderr, "Usage: %s [-s signature ...] [-p pubkey ...] [-n num] file\n", command);
goto out;
}
ecc_int256_t hash;
if (!sha256_file((optind <= argc) ? argv[optind] : NULL, hash.p)) {
fprintf(stderr, "Error while hashing file\n");
goto out;
}
{
ecdsa_verify_context_t ctxs[signatures.size];
for (size_t i = 0; i < signatures.size; i++)
ecdsa_verify_prepare_legacy(&ctxs[i], &hash, SET_INDEX(signatures, i));
size_t good_signatures = ecdsa_verify_list_legacy(ctxs, signatures.size, pubkeys.content, pubkeys.size);
if (good_signatures >= min_good_signatures)
ret = 0;
}
out:
set_destroy(&pubkeys);
set_destroy(&signatures);
return ret;
}
void cpnt_coll_destroy(struct cpnt_coll coll)
{
set_destroy(coll.nodes);
}
