Newbie question with puts/gets

Question

I'm having trouble getting put and gets to work. Right now I do an insert into the DB (returns 0) with data in the data.data fields and then when I get it I always get empty space. I was hoping that someone might be able to help. Here is the two snippets of code that I'm using:
int
insert_data(DHT_DBS my_dbs, Message *msg)
    DBT key, data;
    char myData[(u_int32_t)strlen(msg->payload)];
    char myKey[41];
    memcpy(&myData,(msg->payload), (u_int32_t)strlen(msg->payload));
    memcpy(&myKey,(msg->dest.keystr), 41);
    printf("in insert\n");
    /* Zero out the DBTs */
    memset(&key, 0, sizeof(DBT));
    memset(&data, 0, sizeof(DBT));
    key.data = msg->dest.keystr;
    data.data = msg->payload;
    data.size = (u_int32_t)strlen(msg->payload);
    /* Put the data into the database */
    int val = 0;
    val = my_dbs.dht->put(my_dbs.dht, 0, &key, &data, 0);
    printf("after put %d\n", val);
    return 0;
void get_data(DHT_DBS * my_dbs, Message *msg)
    DBT key, data;
    char myData[200];
    int ret;
    /* Initialize our DBTs. */
    memset(&key, 0, sizeof(DBT));
    memset(&data, 0, sizeof(DBT));
    memset(&myData,0,200);
    key.data = msg->dest.keystr;
    key.size = sizeof(Key);
    data.data = &myData;
    data.flags = DB_DBT_USERMEM;
    ret = my_dbs->dht->put(my_dbs->dht,NULL, &key, &data, 0);
    if (ret) {
        printf("No records found for '%s'\n", msg->dest.keystr);
    else
        printf("Record found\n");
        printf("Found: %s\n", myData);
        // if we did find what they were looking for, send a get_response message to the source
        // we may need to add another object to the message struct
}I'm just trying to test this. my main simply calls the following after I define the variables and open the data bases:
insert_data(mydb,m);
get_data(&mydb, m);Now the interesting thing is it does find the key that I inserted with insert_data. However, the data stored with the key is always "" and not the characters that it should be. I'm just wondering if I'm doing something wrong. Any tips would be appreciated.

Answer 1

Alright I'm back to a different problem now.
int
insert_data(DHT_DBS my_dbs, Message *msg)
    DBT key, data;
    char myData[(u_int32_t)strlen(msg->payload)];
    char myKey[41];
    memcpy(&myData,(msg->payload), (u_int32_t)strlen(msg->payload));
    memcpy(&myKey,(msg->dest.keystr), 41);
    printf("in insert\n");
    /* Zero out the DBTs */
    memset(&key, 0, sizeof(DBT));
    memset(&data, 0, sizeof(DBT));
    key.data = msg->dest.keystr;
    data.data = msg->payload;
    data.size = (u_int32_t)strlen(msg->payload);
    /* Put the data into the database */
    int val = 0;
    val = my_dbs.dht->put(my_dbs.dht, 0, &key, &data, 0);
    printf("after put %d\n", val);
    return 0;
void get_data(DHT_DBS * my_dbs, Message *msg)
    DBT key, data;
    char myData[200];
    int ret;
    /* Initialize our DBTs. */
    memset(&key, 0, sizeof(DBT));
    memset(&data, 0, sizeof(DBT));
    memset(&myData,0,200);
    key.data = msg->dest.keystr;
    key.size = sizeof(Key);
    data.data = &myData;
    data.flags = DB_DBT_USERMEM;
    ret = my_dbs->dht->get(my_dbs->dht,NULL, &key, &data, 0);
    if (ret) {
        printf("No records found for '%s'\n", msg->dest.keystr);
    else
        printf("Record found\n");
        printf("Found: %s\n", myData);
        // if we did find what they were looking for, send a get_response message to the source
        // we may need to add another object to the message struct
}I corrected that to reflect the get, but now the put doesnt' seem to be working. I thought I followed getting_started example pretty closely. Ret is -30989 when it attempts the get but the put returns 0.