Home | History | Annotate | Download | only in tests
      1 /*
      2  * libfdt - Flat Device Tree manipulation
      3  *	Testcase for fdt_path_offset()
      4  * Copyright (C) 2006 David Gibson, IBM Corporation.
      5  * Copyright 2008 Kumar Gala, Freescale Semiconductor, Inc.
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Lesser General Public License
      9  * as published by the Free Software Foundation; either version 2.1 of
     10  * the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful, but
     13  * WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Lesser General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Lesser General Public
     18  * License along with this library; if not, write to the Free Software
     19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
     20  */
     21 #include <stdlib.h>
     22 #include <stdio.h>
     23 #include <string.h>
     24 #include <stdint.h>
     25 
     26 #include <libfdt.h>
     27 
     28 #include "tests.h"
     29 #include "testdata.h"
     30 
     31 static void check_alias(void *fdt, const char *full_path, const char *alias_path)
     32 {
     33 	int offset, offset_a;
     34 
     35 	offset = fdt_path_offset(fdt, full_path);
     36 	offset_a = fdt_path_offset(fdt, alias_path);
     37 
     38 	if (offset != offset_a)
     39 		FAIL("Mismatch between %s path_offset (%d) and %s path_offset alias (%d)",
     40 		     full_path, offset, alias_path, offset_a);
     41 }
     42 
     43 int main(int argc, char *argv[])
     44 {
     45 	void *fdt;
     46 
     47 	test_init(argc, argv);
     48 	fdt = load_blob_arg(argc, argv);
     49 
     50 	check_alias(fdt, "/subnode@1", "s1");
     51 	check_alias(fdt, "/subnode@1/subsubnode", "ss1");
     52 	check_alias(fdt, "/subnode@1/subsubnode", "s1/subsubnode");
     53 	check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "sss1");
     54 	check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "ss1/subsubsubnode");
     55 	check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "s1/subsubnode/subsubsubnode");
     56 
     57 	PASS();
     58 }
     59