1 /*

     2  * libfdt - Flat Device Tree manipulation

     3  *	Testcase for fdt_setprop()

     4  * Copyright (C) 2006 David Gibson, IBM Corporation.

     5  *

     6  * This library is free software; you can redistribute it and/or

     7  * modify it under the terms of the GNU Lesser General Public License

     8  * as published by the Free Software Foundation; either version 2.1 of

     9  * the License, or (at your option) any later version.

    10  *

    11  * This library is distributed in the hope that it will be useful, but

    12  * WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    14  * Lesser General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU Lesser General Public

    17  * License along with this library; if not, write to the Free Software

    18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

    19  */

    20 

    21 #include <stdlib.h>

    22 #include <stdio.h>

    23 #include <string.h>

    24 #include <ctype.h>

    25 #include <stdint.h>

    26 

    27 #include <fdt.h>

    28 #include <libfdt.h>

    29 

    30 #include "tests.h"

    31 #include "testdata.h"

    32 

    33 #define SPACE		65536

    34 #define NEW_STRING	"here is quite a long test string, blah blah blah"

    35 

    36 int main(int argc, char *argv[])

    37 {

    38 	void *fdt;

    39 	void *buf;

    40 	const uint32_t *intp;

    41 	const char *strp;

    42 	int err;

    43 

    44 	test_init(argc, argv);

    45 	fdt = load_blob_arg(argc, argv);

    46 

    47 	buf = xmalloc(SPACE);

    48 

    49 	err = fdt_open_into(fdt, buf, SPACE);

    50 	if (err)

    51 		FAIL("fdt_open_into(): %s", fdt_strerror(err));

    52 

    53 	fdt = buf;

    54 

    55 	intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1);

    56 

    57 	verbose_printf("Old int value was 0x%08x\n", *intp);

    58 	err = fdt_setprop_string(fdt, 0, "prop-int", NEW_STRING);

    59 	if (err)

    60 		FAIL("Failed to set \"prop-int\" to \"%s\": %s",

    61 		     NEW_STRING, fdt_strerror(err));

    62 

    63 	strp = check_getprop_string(fdt, 0, "prop-int", NEW_STRING);

    64 	verbose_printf("New value is \"%s\"\n", strp);

    65 

    66 	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,

    67 			     TEST_STRING_1);

    68 

    69 	verbose_printf("Old string value was \"%s\"\n", strp);

    70 	err = fdt_setprop(fdt, 0, "prop-str", NULL, 0);

    71 	if (err)

    72 		FAIL("Failed to empty \"prop-str\": %s",

    73 		     fdt_strerror(err));

    74 

    75 	check_getprop(fdt, 0, "prop-str", 0, NULL);

    76 

    77 	PASS();

    78 }