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This commit is contained in:
Hongze Cheng 2021-12-05 21:15:56 +08:00
parent 4cf826825d
commit 37405fa0e9
1 changed files with 46 additions and 1 deletions
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47
contrib/test/bdb/bdbTest.c
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@ -1,5 +1,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "db.h"
@ -13,13 +14,51 @@
#define USE_ENV 0
#define DESCRIPTION_SIZE 128
float money = 122.45;
char *description = "Grocery bill.";
static void put_value(DB *dbp) {
DBT key = {0};
DBT value = {0};
int ret;
key.data = &money;
key.size = sizeof(money);
value.data = description;
value.size = strlen(description) + 1;
ret = dbp->put(dbp, NULL, &key, &value, DB_NOOVERWRITE);
if (ret != 0) {
fprintf(stderr, "Failed to put DB record: %s\n", db_strerror(ret));
}
}
static void get_value(DB *dbp) {
char desp[DESCRIPTION_SIZE];
DBT key = {0};
DBT value = {0};
key.data = &money;
key.size = sizeof(money);
value.data = desp;
value.ulen = DESCRIPTION_SIZE;
value.flags = DB_DBT_USERMEM;
dbp->get(dbp, NULL, &key, &value, 0);
printf("The value is \"%s\"\n", value.data);
}
int main(int argc, char const *argv[]) {
DB * dbp = NULL;
u_int32_t db_flags;
DB_ENV * envp = NULL;
u_int32_t env_flags;
int ret;
DBT key, value; // Database records
DBT key = {0};
DBT value = {0};
#if USE_ENV
// Initialize an env object and open it for
@ -56,6 +95,12 @@ int main(int argc, char const *argv[]) {
exit(1);
}
// Insert a key-value record
put_value(dbp);
// Read the key-value record
get_value(dbp);
// Close the database
if (dbp != NULL) {
dbp->close(dbp, 0);