Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/lib/tdb/test/run-3G-file.c b/lib/tdb/test/run-3G-file.c
new file mode 100644
index 0000000..79e291b
--- /dev/null
+++ b/lib/tdb/test/run-3G-file.c
@@ -0,0 +1,145 @@
+#include "../common/tdb_private.h"
+#include "../common/io.c"
+#include "../common/tdb.c"
+#include "../common/lock.c"
+#include "../common/freelist.c"
+#include "../common/traverse.c"
+#include "../common/transaction.c"
+#include "../common/error.c"
+#include "../common/open.c"
+#include "../common/check.c"
+#include "../common/hash.c"
+#include "../common/mutex.c"
+#include "tap-interface.h"
+#include <stdlib.h>
+#include "logging.h"
+
+static int tdb_expand_file_sparse(struct tdb_context *tdb,
+				  tdb_off_t size,
+				  tdb_off_t addition)
+{
+	if (tdb->read_only || tdb->traverse_read) {
+		tdb->ecode = TDB_ERR_RDONLY;
+		return -1;
+	}
+
+	if (tdb_ftruncate(tdb, size+addition) == -1) {
+		char b = 0;
+		ssize_t written = tdb_pwrite(tdb,  &b, 1, (size+addition) - 1);
+		if (written == 0) {
+			/* try once more, potentially revealing errno */
+			written = tdb_pwrite(tdb,  &b, 1, (size+addition) - 1);
+		}
+		if (written == 0) {
+			/* again - give up, guessing errno */
+			errno = ENOSPC;
+		}
+		if (written != 1) {
+			TDB_LOG((tdb, TDB_DEBUG_FATAL, "expand_file to %d failed (%s)\n",
+				 size+addition, strerror(errno)));
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+static const struct tdb_methods large_io_methods = {
+	tdb_read,
+	tdb_write,
+	tdb_next_hash_chain,
+	tdb_notrans_oob,
+	tdb_expand_file_sparse
+};
+
+static int test_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
+			 void *_data)
+{
+	TDB_DATA *expect = _data;
+	ok1(key.dsize == strlen("hi"));
+	ok1(memcmp(key.dptr, "hi", strlen("hi")) == 0);
+	ok1(data.dsize == expect->dsize);
+	ok1(memcmp(data.dptr, expect->dptr, data.dsize) == 0);
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct tdb_context *tdb;
+	TDB_DATA key, orig_data, data;
+	uint32_t hashval;
+	tdb_off_t rec_ptr;
+	struct tdb_record rec;
+	int ret;
+
+	plan_tests(24);
+	tdb = tdb_open_ex("run-36-file.tdb", 1024, TDB_CLEAR_IF_FIRST,
+			  O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
+
+	ok1(tdb);
+	tdb->methods = &large_io_methods;
+
+	key.dsize = strlen("hi");
+	key.dptr = discard_const_p(uint8_t, "hi");
+	orig_data.dsize = strlen("world");
+	orig_data.dptr = discard_const_p(uint8_t, "world");
+
+	/* Enlarge the file (internally multiplies by 2). */
+	ret = tdb_expand(tdb, 1500000000);
+#ifdef HAVE_INCOHERENT_MMAP
+	/* This can fail due to mmap failure on 32 bit systems. */
+	if (ret == -1) {
+		/* These should now fail. */
+		ok1(tdb_store(tdb, key, orig_data, TDB_INSERT) == -1);
+		data = tdb_fetch(tdb, key);
+		ok1(data.dptr == NULL);
+		ok1(tdb_traverse(tdb, test_traverse, &orig_data) == -1);
+		ok1(tdb_delete(tdb, key) == -1);
+		ok1(tdb_traverse(tdb, test_traverse, NULL) == -1);
+		/* Skip the rest... */
+		for (ret = 0; ret < 24 - 6; ret++)
+			ok1(1);
+		tdb_close(tdb);
+		return exit_status();
+	}
+#endif
+	ok1(ret == 0);
+
+	/* Put an entry in, and check it. */
+	ok1(tdb_store(tdb, key, orig_data, TDB_INSERT) == 0);
+
+	data = tdb_fetch(tdb, key);
+	ok1(data.dsize == strlen("world"));
+	ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
+	free(data.dptr);
+
+	/* That currently fills at the end, make sure that's true. */
+	hashval = tdb->hash_fn(&key);
+	rec_ptr = tdb_find_lock_hash(tdb, key, hashval, F_RDLCK, &rec);
+	ok1(rec_ptr);
+	ok1(rec_ptr > 2U*1024*1024*1024);
+	tdb_unlock(tdb, BUCKET(rec.full_hash), F_RDLCK);
+
+	/* Traverse must work. */
+	ok1(tdb_traverse(tdb, test_traverse, &orig_data) == 1);
+
+	/* Delete should work. */
+	ok1(tdb_delete(tdb, key) == 0);
+
+	ok1(tdb_traverse(tdb, test_traverse, NULL) == 0);
+
+	/* Transactions should work. */
+	ok1(tdb_transaction_start(tdb) == 0);
+	ok1(tdb_store(tdb, key, orig_data, TDB_INSERT) == 0);
+
+	data = tdb_fetch(tdb, key);
+	ok1(data.dsize == strlen("world"));
+	ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
+	free(data.dptr);
+	ok1(tdb_transaction_commit(tdb) == 0);
+
+	ok1(tdb_traverse(tdb, test_traverse, &orig_data) == 1);
+	tdb_close(tdb);
+
+	return exit_status();
+}