data_structures
hashset_contains.c
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1 /* ************************************************************************** */
3 /* */
4 /* ::: :::::::: */
5 /* hashset_contains.c :+: :+: :+: */
6 /* +:+ +:+ +:+ */
7 /* By: unite <marvin@42.fr> +#+ +:+ +#+ */
8 /* +#+#+#+#+#+ +#+ */
9 /* Created: 2020/07/21 19:53:13 by unite #+# #+# */
10 /* Updated: 2020/09/03 22:50:14 by unite ### ########.fr */
11 /* */
12 /* ************************************************************************** */
13 
14 #include "hashset.h"
15 #include "hashset_utils.h"
16 
17 int hashset_contains(const t_hashset *hs, const void *val)
18 {
19  size_t ind;
20 
21  ind = hs->type->hash(val, hs->capacity);
22  while (hs->vals[ind] != NULL)
23  {
24  if (hs->type->cmp(hs->vals[ind], val) == 0)
25  return (1);
26  ind = (ind + 1) % hs->capacity;
27  }
28  return (0);
29 }
s_hashset::capacity
size_t capacity
The current capacity of the hashset.
Definition: hashset.h:47
hashset_contains
int hashset_contains(const t_hashset *hs, const void *val)
Is the specified element contained in the set?
Definition: hashset_contains.c:17
hashset_utils.h
s_type::cmp
int(* cmp)(const void *, const void *)
(optional) A function ponter used to compare members of this data type
Definition: types.h:52
hashset.h
s_hashset::vals
void ** vals
The data.
Definition: hashset.h:45
s_type::hash
size_t(* hash)(const void *, size_t)
(optional) A function pointer used to get a hash value of this data type
Definition: types.h:53
s_hashset
A dynamically resizing linear-probing hashset.
Definition: hashset.h:43
s_hashset::type
const t_type * type
The type of elements in the hashset.
Definition: hashset.h:48