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#include <stdlib.h>
#include <string.h>
#include "user.h"
struct user_t *users;
void user_init() {
users = malloc(sizeof(struct user_t) * USERS_MAX);
memset(users, 0, sizeof(struct user_t) * USERS_MAX);
}
static unsigned long sdbm(char *str) {
unsigned long hash = 0;
int c;
while(c = *str++) {
hash = c + (hash << 6) + (hash << 16) - hash;
}
return hash;
}
struct user_t *user_get(char *nick) {
unsigned long hash = sdbm(nick);
int index = hash % USERS_MAX;
struct user_t *user = &users[index];
while(user->next && user->hash != hash) user = user->next;
if(user->hash != hash) {
struct user_t *temp_user = malloc(sizeof(struct user_t));
user->next = temp_user;
user = temp_user;
}
if(!user->nick) {
user->hash = hash;
user->nick = strdup(nick);
user->lines = user->words = 0;
user->next = NULL;
}
}
void user_free() {
free(users);
}
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