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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* libfdt - Flat Device Tree manipulation
* Testcase for fdt_node_check_compatible()
* Copyright (C) 2006 David Gibson, IBM Corporation.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
static void check_compatible(const void *fdt, const char *path,
const char *compat)
{
int offset, err;
offset = fdt_path_offset(fdt, path);
if (offset < 0)
FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(offset));
err = fdt_node_check_compatible(fdt, offset, compat);
if (err < 0)
FAIL("fdt_node_check_compatible(%s): %s", path,
fdt_strerror(err));
if (err != 0)
FAIL("%s is not compatible with \"%s\"", path, compat);
}
static void check_not_compatible(const void *fdt, const char *path,
const char *compat)
{
int offset, err;
offset = fdt_path_offset(fdt, path);
if (offset < 0)
FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(offset));
err = fdt_node_check_compatible(fdt, offset, compat);
if (err < 0)
FAIL("fdt_node_check_compatible(%s): %s", path,
fdt_strerror(err));
if (err == 0)
FAIL("%s is incorrectly compatible with \"%s\"", path, compat);
}
int main(int argc, char *argv[])
{
void *fdt;
test_init(argc, argv);
fdt = load_blob_arg(argc, argv);
check_compatible(fdt, "/", "test_tree1");
check_compatible(fdt, "/subnode@1/subsubnode", "subsubnode1");
check_compatible(fdt, "/subnode@1/subsubnode", "subsubnode");
check_not_compatible(fdt, "/subnode@1/subsubnode", "subsubnode2");
check_compatible(fdt, "/subnode@2/subsubnode", "subsubnode2");
check_compatible(fdt, "/subnode@2/subsubnode", "subsubnode");
check_not_compatible(fdt, "/subnode@2/subsubnode", "subsubnode1");
PASS();
}