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#ifndef HASHTABLE_H_INCLUDED
#define HASHTABLE_H_INCLUDED
/* in order to get strdup(), this needs to be defined */
#define _BSD_SOURCE
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
typedef struct list_node {
const char *k;
void *v;
struct list_node *next;
} list_node_t;
typedef struct hash_table {
list_node_t **t;
size_t sz;
} hash_table_t;
uint32_t hash_str(const char *s);
list_node_t * list_add(list_node_t *head, const char *k, void *v);
list_node_t * list_remove(list_node_t *head, const char *k);
list_node_t * list_get(list_node_t *head, const char *k);
size_t list_length(list_node_t *head);
hash_table_t * hashtable_new(size_t size);
void hash_table_free(hash_table_t *ht);
static inline void hashtable_add(hash_table_t *ht, const char *name, void *c) {
uint32_t h = hash_str(name) % ht->sz;
ht->t[h] = list_add(ht->t[h], name, (void *)c);
}
static inline void hashtable_remove(hash_table_t *ht, const char *name) {
uint32_t h = hash_str(name) % ht->sz;
ht->t[h] = list_remove(ht->t[h], name);
}
static inline void * hashtable_get(hash_table_t *ht, const char *name) {
uint32_t h = hash_str(name) % ht->sz;
list_node_t *n = list_get(ht->t[h], name);
return n ? n->v : NULL;
}
#endif // HASHTABLE_H_INCLUDED
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