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;
}
Exemple #2
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);
}
Exemple #3
0
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;
}
Exemple #4
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;
}
Exemple #5
0
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;
}
Exemple #7
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;
	}
}
Exemple #8
0
/* 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;
}
Exemple #9
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;
}
Exemple #10
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;
}
Exemple #11
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);
}
Exemple #12
0
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);
}
Exemple #13
0
/*
 * 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;
}
Exemple #14
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;
}
Exemple #15
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;
}
Exemple #16
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;
}
Exemple #17
0
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;
};
Exemple #18
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;
}
Exemple #19
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;
}
Exemple #20
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;
}
Exemple #21
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;

}
Exemple #23
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;
}
Exemple #24
0
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;
}
Exemple #25
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;
}
Exemple #26
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;
}
Exemple #27
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 */
Exemple #28
0
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;
};
Exemple #29
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;
}
Exemple #30
0
void cpnt_coll_destroy(struct cpnt_coll coll)
{
	set_destroy(coll.nodes);
}