xref: /aosp_15_r20/external/dtc/tests/extra-terminating-null.c (revision cd60bc56d4bea3af4ec04523e4d71c2b272c8aff)
1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3  * libfdt - Flat Device Tree manipulation
4  *	Testcase for properties with more than one terminating null
5  * Copyright (C) 2009 David Gibson, IBM Corporation.
6  */
7 #include <stdlib.h>
8 #include <stdio.h>
9 #include <string.h>
10 #include <stdint.h>
11 
12 #include <libfdt.h>
13 
14 #include "tests.h"
15 #include "testdata.h"
16 
check_extranull(void * fdt,const char * prop,const char * str,int numnulls)17 static void check_extranull(void *fdt, const char *prop, const char *str, int numnulls)
18 {
19 	int len = strlen(str);
20 	char checkbuf[len+numnulls];
21 
22 	memset(checkbuf, 0, sizeof(checkbuf));
23 	memcpy(checkbuf, TEST_STRING_1, len);
24 
25 	check_getprop(fdt, 0, prop, len+numnulls, checkbuf);
26 }
27 
main(int argc,char * argv[])28 int main(int argc, char *argv[])
29 {
30 	void *fdt;
31 
32 	test_init(argc, argv);
33 
34 	fdt = load_blob_arg(argc, argv);
35 
36 	check_extranull(fdt, "extranull0", TEST_STRING_1, 1);
37 	check_extranull(fdt, "extranull1,1", TEST_STRING_1, 2);
38 	check_extranull(fdt, "extranull1,2", TEST_STRING_1, 2);
39 	check_extranull(fdt, "extranull2,1", TEST_STRING_1, 3);
40 	check_extranull(fdt, "extranull2,2", TEST_STRING_1, 3);
41 	check_extranull(fdt, "extranull2,3", TEST_STRING_1, 3);
42 	check_extranull(fdt, "extranull2,4", TEST_STRING_1, 3);
43 
44 	PASS();
45 }
46