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      1 /*	$NetBSD: set_name.c,v 1.1.1.3 2019/12/22 12:34:07 skrll Exp $	*/
      2 
      3 // SPDX-License-Identifier: LGPL-2.1-or-later
      4 /*
      5  * libfdt - Flat Device Tree manipulation
      6  *	Testcase for fdt_set_name()
      7  * Copyright (C) 2006 David Gibson, IBM Corporation.
      8  */
      9 #include <stdlib.h>
     10 #include <stdio.h>
     11 #include <string.h>
     12 #include <stdint.h>
     13 
     14 #include <libfdt.h>
     15 
     16 #include "tests.h"
     17 #include "testdata.h"
     18 
     19 static void check_set_name(void *fdt, const char *path, const char *newname)
     20 {
     21 	int offset;
     22 	const char *getname, *oldname;
     23 	int len, err;
     24 
     25 	oldname = strrchr(path, '/');
     26 	if (!oldname)
     27 		TEST_BUG();
     28 	oldname += 1;
     29 
     30 	offset = fdt_path_offset(fdt, path);
     31 	if (offset < 0)
     32 		FAIL("Couldn't find %s", path);
     33 
     34 	getname = fdt_get_name(fdt, offset, &len);
     35 	verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n",
     36 		       offset, getname, len);
     37 	if (!getname)
     38 		FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len));
     39 
     40 	if (strcmp(getname, oldname) != 0)
     41 		FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",
     42 		     path, getname, oldname);
     43 
     44 	if (len != strlen(getname))
     45 		FAIL("fdt_get_name(%s) returned length %d instead of %zd",
     46 		     path, len, strlen(getname));
     47 
     48 	err = fdt_set_name(fdt, offset, newname);
     49 	if (err)
     50 		FAIL("fdt_set_name(%d, \"%s\"): %s", offset, newname,
     51 		     fdt_strerror(err));
     52 
     53 	getname = fdt_get_name(fdt, offset, &len);
     54 	if (!getname)
     55 		FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len));
     56 
     57 	if (strcmp(getname, newname) != 0)
     58 		FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",
     59 		     path, getname, newname);
     60 
     61 	if (len != strlen(getname))
     62 		FAIL("fdt_get_name(%s) returned length %d instead of %zd",
     63 		     path, len, strlen(getname));
     64 }
     65 
     66 int main(int argc, char *argv[])
     67 {
     68 	void *fdt;
     69 
     70 	test_init(argc, argv);
     71 	fdt = load_blob_arg(argc, argv);
     72 	fdt = open_blob_rw(fdt);
     73 
     74 	check_set_name(fdt, "/subnode@1", "subnode@17");
     75 	check_set_name(fdt, "/subnode@2/subsubnode@0", "fred@0");
     76 	check_set_name(fdt, "/subnode@17/subsubnode", "something@0");
     77 
     78 	PASS();
     79 }
     80