Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 58 insertions, 0 deletions

diff --git a/dtc/tests/open_pack.c b/dtc/tests/open_pack.c
new file mode 100644
index 000000000..6ed4df7f6
--- /dev/null
+++ b/dtc/tests/open_pack.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Basic testcase for read-only access
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <stdint.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt, *fdt1;
+	void *buf;
+	int oldsize, bufsize, packsize;
+	int err;
+	const char *inname;
+	char outname[PATH_MAX];
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+	inname = argv[1];
+
+	oldsize = fdt_totalsize(fdt);
+
+	bufsize = oldsize * 2;
+
+	buf = xmalloc(bufsize);
+	/* don't leak uninitialized memory into our output */
+	memset(buf, 0, bufsize);
+
+	fdt1 = buf;
+	err = fdt_open_into(fdt, fdt1, bufsize);
+	if (err)
+		FAIL("fdt_open_into(): %s", fdt_strerror(err));
+	sprintf(outname, "opened.%s", inname);
+	save_blob(outname, fdt1);
+
+	err = fdt_pack(fdt1);
+	if (err)
+		FAIL("fdt_pack(): %s", fdt_strerror(err));
+	sprintf(outname, "repacked.%s", inname);
+	save_blob(outname, fdt1);
+
+	packsize = fdt_totalsize(fdt1);
+
+	verbose_printf("oldsize = %d, bufsize = %d, packsize = %d\n",
+		       oldsize, bufsize, packsize);
+	PASS();
+}