#lang planet jaymccarthy/superc
@cflags{-I"/opt/local/include/"}
@ldflags{-L"/opt/local/lib/db46" -ldb}
@c{
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <db46/db.h>
#define DATABASE "access.db"
int
main()
{
DB *dbp DBT key, data int ret, t_ret
/* Create the database handle and open the underlying database. */
if ((ret = db_create(&dbp, NULL, 0)) != 0) {
fprintf(stderr, "db_create: %s\n", db_strerror(ret)) exit (1) }
if ((ret = dbp->open(dbp,
NULL, DATABASE, NULL, DB_BTREE, DB_CREATE, 0664)) != 0) {
dbp->err(dbp, ret, "%s", DATABASE) goto err }
/* Initialize key/data structures. */
memset(&key, 0, sizeof(key)) memset(&data, 0, sizeof(data)) key.data = "fruit" key.size = sizeof("fruit") data.data = "apple" data.size = sizeof("apple")
/* Store a key/data pair. */
if ((ret = dbp->put(dbp, NULL, &key, &data, 0)) == 0)
printf("db: %s: key stored.\n", (char *)key.data) else {
dbp->err(dbp, ret, "DB->put") goto err }
/* Retrieve a key/data pair. */
if ((ret = dbp->get(dbp, NULL, &key, &data, 0)) == 0)
printf("db: %s: key retrieved: data was %s.\n",
(char *)key.data, (char *)data.data) else {
dbp->err(dbp, ret, "DB->get") goto err }
/* Delete a key/data pair. */
if ((ret = dbp->del(dbp, NULL, &key, 0)) == 0)
printf("db: %s: key was deleted.\n", (char *)key.data) else {
dbp->err(dbp, ret, "DB->del") goto err }
/* Retrieve a key/data pair. */
if ((ret = dbp->get(dbp, NULL, &key, &data, 0)) == 0)
printf("db: %s: key retrieved: data was %s.\n",
(char *)key.data, (char *)data.data) else
dbp->err(dbp, ret, "DB->get")
err: if ((t_ret = dbp->close(dbp, 0)) != 0 && ret == 0)
ret = t_ret
exit(ret)}
}
(define main (get-ffi-obj-from-this 'main (_fun -> _int)))
(printf "The C program returned: ~a~n"
(main))