1 /*

     2  * libfdt - Flat Device Tree manipulation

     3  *	Testcase for fdt_nop_property()

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

    34 {

    35 	void *fdt;

    36 	const uint32_t *intp;

    37 	const char *strp;

    38 	int err;

    39 	int lenerr;

    40 

    41 	test_init(argc, argv);

    42 	fdt = load_blob_arg(argc, argv);

    43 

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

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

    46 

    47 	err = fdt_nop_property(fdt, 0, "prop-int");

    48 	if (err)

    49 		FAIL("Failed to nop \"prop-int\": %s", fdt_strerror(err));

    50 

    51 	intp = fdt_getprop(fdt, 0, "prop-int", &lenerr);

    52 	if (intp)

    53 		FAIL("prop-int still present after nopping");

    54 	if (lenerr != -FDT_ERR_NOTFOUND)

    55 		FAIL("Unexpected error on second getprop: %s", fdt_strerror(err));

    56 

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

    58 			     TEST_STRING_1);

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

    60 	err = fdt_nop_property(fdt, 0, "prop-str");

    61 	if (err)

    62 		FAIL("Failed to nop \"prop-str\": %s", fdt_strerror(err));

    63 

    64 	strp = fdt_getprop(fdt, 0, "prop-str", &lenerr);

    65 	if (strp)

    66 		FAIL("prop-str still present after nopping");

    67 	if (lenerr != -FDT_ERR_NOTFOUND)

    68 		FAIL("Unexpected error on second getprop: %s", fdt_strerror(err));

    69 

    70 	PASS();

    71 }