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#ifndef TYPE
#error "Set TYPE to something before including self header"
#else
#include "err.h"
int PUT(HASHT(TYPE)) ( HASHT(TYPE)* table, TYPE* value) {
// TODO genicify the hash function
unsigned long h = hash(value->key.mem) % table->size;
TYPE* mem = table->values[h];
/* TODO conflict resolution */
if (mem != NULL) ERR("Hash collision");
mem = value;
++table->item_count;
return 0;
}
INIT_F(HASHT(TYPE), int init_size ) {
/*
* TODO parts of table might not get properly initialized to 0
*/
table->values = calloc(sizeof(table->values), init_size);
table->size = init_size;
table->item_count = 0;
return 0;
}
TYPE* GET(HASHT(TYPE)) ( HASHT(TYPE)* table, char* key ) {
unsigned long h = hash(key) % table->size;
TYPE* mem = table->values[h];
if (mem == NULL) {
fprintf(stderr, "Trying to access %s\n", key);
ERR("Nothing in field");
return 0;
} else if (strcmp(mem->key.mem, key) == 0) {
return mem;
} else {
/* TODO fix retrival on invalid key */
ERR("Other error");
return 0;
}
}
FREE(HASHT(TYPE)) {
/*
* TODO an early return is possible by checking if all items have
* been found. table->item_count
*/
for (int i = 0; i < table->size; i++) {
TYPE* mem = table->values[i];
if (mem == NULL) continue;
free(mem);
}
free(table->values);
return 0;
}
#endif /* TYPE */
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