703
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <db.h>

#define DATABASE "access.db"

typedef struct {
    char address[80];
    char phone[30];
} addrinfo;

int main(void)
{
    DB *db;
    DBT key, data;
    int ret, t_ret;
    addrinfo info, *addrp;

    if (! (db = dbopen(DATABASE, O_CREAT|O_RDWR, 0644, DB_HASH, NULL))) {
	fprintf(stderr, "Couldn't initialize database!\n");
	exit(1);
    }

    strcpy(info.address, "Kukvagen 54");
    strcpy(info.phone, "12345");

    memset(&key, 0, sizeof(key));
    memset(&data, 0, sizeof(data));
    key.data = "minnies";
    key.size = sizeof("minnies");
    data.data = &info;
    data.size = sizeof(info);

    if (! (ret = db->put(db, &key, &data, 0)))
	printf("db: %s: key stored.\n", (char *)key.data);
    else {
	perror("DB->put");
	goto err;
    }

    if (! (ret = db->get(db, &key, &data, 0))) {
	addrp = (addrinfo *)data.data;
	printf("db: %s: key retrieved: data was %s, %s.\n",
	    (char *)key.data, addrp->address, addrp->phone);
    } else {
	if (ret > 0)
	    fprintf(stderr, "Key not found\n");
	else
	    perror("DB->get");
	goto err;
    }

    if (! (ret = db->del(db, &key, 0)))
	printf("db: %s: key was deleted.\n", (char *)key.data);
    else {
	if (ret > 0)
	    fprintf(stderr, "Key not found\n");
	else
	    perror("DB->del");
	goto err;
    }

    if (! (ret = db->get(db, &key, &data, 0)))
	printf("db: %s: key retrieved: data was %s.\n",
	    (char *)key.data, (char *)data.data);
    else {
	if (ret > 0)
	    fprintf(stderr, "Key not found\n");
	else
	    perror("DB->get");
    }

err:
    if ((t_ret = db->close(db)) != 0 && ret == 0)
	ret = t_ret;

    exit(ret);
}
.

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