1 files changed, 155 insertions, 0 deletions
diff --git a/dtc/tests/fs_tree1.c b/dtc/tests/fs_tree1.c
new file mode 100644
index 000000000..dff388083
--- /dev/null
+++ b/dtc/tests/fs_tree1.c
@@ -0,0 +1,155 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase/tool constructing an fs tree for further test
+ * Copyright (C) 2018 David Gibson, Red Hat Inc.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <stdint.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+static void start_dir(const char *name)
+{
+	int rc;
+
+	rc = mkdir(name, 0777);
+	if (rc != 0)
+		FAIL("mkdir(\"%s\"): %s", name, strerror(errno));
+
+	rc = chdir(name);
+	if (rc != 0)
+		FAIL("chdir(\"%s\"): %s", name, strerror(errno));
+}
+
+static void end_dir(void)
+{
+	int rc;
+
+	rc = chdir("..");
+	if (rc != 0)
+		FAIL("chdir(..): %s", strerror(errno));
+}
+	
+static void mkfile(const char *name, void *data, size_t len)
+{
+	int fd;
+	int rc;
+
+	fd = open(name, O_WRONLY|O_CREAT, 0666);
+	if (fd < 0)
+		FAIL("open(\"%s\"): %s", name, strerror(errno));
+
+	rc = write(fd, data, len);
+	if (rc < 0)
+		FAIL("write(\"%s\"): %s", name, strerror(errno));
+	if (rc != len)
+		FAIL("write(\"%s\"): short write", name);
+	
+	rc = close(fd);
+	if (rc != 0)
+		FAIL("close(\"%s\"): %s", name, strerror(errno));
+}
+
+#define mkfile_str(name, s)			  \
+	do {					  \
+		char str[] = s;			  \
+		mkfile((name), str, sizeof(str)); \
+	} while (0)
+
+static void mkfile_u32(const char *name, uint32_t val)
+{
+	val = cpu_to_fdt32(val);
+	mkfile(name, &val, sizeof(val));
+}
+
+static void mkfile_u64(const char *name, uint64_t val)
+{
+	val = cpu_to_fdt64(val);
+	mkfile(name, &val, sizeof(val));
+}
+
+int main(int argc, char *argv[])
+{
+	const char *base;
+
+	test_init(argc, argv);
+	if (argc != 2)
+		CONFIG("Usage: %s <path>", argv[0]);
+
+	base = argv[1];
+
+	start_dir(base);
+	mkfile_str("compatible", "test_tree1");
+	mkfile_u32("prop-int", TEST_VALUE_1);
+	mkfile_u64("prop-int64", 0xdeadbeef01abcdefULL);
+	mkfile_str("prop-str", "hello world");
+	mkfile_u32("#address-cells", 1);
+	mkfile_u32("#size-cells", 0);
+
+	{
+		start_dir("subnode@1");
+
+		mkfile_str("compatible", "subnode1");
+		mkfile_u32("reg", 1);
+		mkfile_u32("prop-int", TEST_VALUE_1);
+
+		{
+			start_dir("subsubnode");
+
+			mkfile_str("compatible", "subsubnode1\0subsubnode");
+			mkfile_str("placeholder", "this is a placeholder string\0string2");
+			mkfile_u32("prop-int", TEST_VALUE_1);
+			
+			end_dir();
+		}
+
+		{
+			start_dir("ss1");
+			end_dir();
+		}
+		
+		end_dir();
+	}
+
+	{
+		start_dir("subnode@2");
+
+		mkfile_u32("reg", 2);
+		mkfile_u32("linux,phandle", 0x2000);
+		mkfile_u32("prop-int", TEST_VALUE_2);
+		mkfile_u32("#address-cells", 1);
+		mkfile_u32("#size-cells", 0);
+
+		{
+			start_dir("subsubnode@0");
+
+			mkfile_u32("reg", 0);
+			mkfile_u32("phandle", 0x2001);
+			mkfile_str("compatible", "subsubnode2\0subsubnode");
+			mkfile_u32("prop-int", TEST_VALUE_2);
+			
+			end_dir();
+		}
+
+		{
+			start_dir("ss2");
+			end_dir();
+		}
+		
+		end_dir();
+	}
+
+	PASS();
+}