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#include "uthash.h"
#include <stdlib.h> /* malloc */
#include <stdio.h> /* printf */
typedef struct example_user_t {
int id;
int cookie;
UT_hash_handle hh;
UT_hash_handle alth;
} example_user_t;
int main()
{
int i,j;
example_user_t *user, *tmp, *users=NULL, *altusers=NULL;
/* create elements */
for(i=0; i<10; i++) {
user = (example_user_t*)malloc(sizeof(example_user_t));
if (user == NULL) {
exit(-1);
}
user->id = i;
user->cookie = i*i;
HASH_ADD_INT(users,id,user);
HASH_ADD(alth,altusers,cookie,sizeof(int),user);
}
/* find cookie corresponding to each even ID */
for(i=0; i<10; i+=2) {
j=i*i;
HASH_FIND(alth,altusers,&j,sizeof(int),tmp);
if (tmp != NULL) {
printf("cookie %d found, user id %d\n", tmp->cookie, tmp->id);
} else {
printf("cookie %d not found\n", j);
}
}
return 0;
}
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