tdb2: add lib/tdb2 (from CCAN init-1161-g661d41f)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 50 insertions, 0 deletions

diff --git a/lib/tdb2/test/run-16-wipe_all.c b/lib/tdb2/test/run-16-wipe_all.c
new file mode 100644
index 0000000000..d9c5128e0b
--- /dev/null
+++ b/lib/tdb2/test/run-16-wipe_all.c
@@ -0,0 +1,50 @@
+#include <ccan/tdb2/tdb.c>
+#include <ccan/tdb2/open.c>
+#include <ccan/tdb2/free.c>
+#include <ccan/tdb2/lock.c>
+#include <ccan/tdb2/io.c>
+#include <ccan/tdb2/hash.c>
+#include <ccan/tdb2/check.c>
+#include <ccan/tdb2/transaction.c>
+#include <ccan/tdb2/traverse.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+
+static bool add_records(struct tdb_context *tdb)
+{
+	int i;
+	struct tdb_data key = { (unsigned char *)&i, sizeof(i) };
+	struct tdb_data data = { (unsigned char *)&i, sizeof(i) };
+
+	for (i = 0; i < 1000; i++) {
+		if (tdb_store(tdb, key, data, TDB_REPLACE) != 0)
+			return false;
+	}
+	return true;
+}
+
+
+int main(int argc, char *argv[])
+{
+	unsigned int i;
+	struct tdb_context *tdb;
+	int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
+			TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
+			TDB_NOMMAP|TDB_CONVERT };
+
+	plan_tests(sizeof(flags) / sizeof(flags[0]) * 4 + 1);
+	for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+		tdb = tdb_open("run-16-wipe_all.tdb", flags[i],
+			       O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+		if (ok1(tdb)) {
+			struct tdb_data key;
+			ok1(add_records(tdb));
+			ok1(tdb_wipe_all(tdb) == TDB_SUCCESS);
+			ok1(tdb_firstkey(tdb, &key) == TDB_ERR_NOEXIST);
+			tdb_close(tdb);
+		}
+	}
+
+	ok1(tap_log_messages == 0);
+	return exit_status();
+}