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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* libfdt - Flat Device Tree manipulation
* Testcase for fdt_delprop()
* Copyright (C) 2006 David Gibson, IBM Corporation.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdint.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
int main(int argc, char *argv[])
{
void *fdt, *blob;
const uint32_t *intp;
const char *strp;
int err, lenerr;
int oldsize, delsize, newsize;
test_init(argc, argv);
blob = load_blob_arg(argc, argv);
fdt = open_blob_rw(blob);
free(blob);
oldsize = fdt_totalsize(fdt);
intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1);
verbose_printf("int value was 0x%08x\n", *intp);
err = fdt_delprop(fdt, 0, "prop-int");
if (err)
FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err));
intp = fdt_getprop(fdt, 0, "prop-int", &lenerr);
if (intp)
FAIL("prop-int still present after deletion");
if (lenerr != -FDT_ERR_NOTFOUND)
FAIL("Unexpected error on second getprop: %s",
fdt_strerror(lenerr));
strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
TEST_STRING_1);
verbose_printf("string value was \"%s\"\n", strp);
err = fdt_delprop(fdt, 0, "prop-str");
if (err)
FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err));
strp = fdt_getprop(fdt, 0, "prop-str", &lenerr);
if (strp)
FAIL("prop-str still present after deletion");
if (lenerr != -FDT_ERR_NOTFOUND)
FAIL("Unexpected error on second getprop: %s",
fdt_strerror(lenerr));
delsize = fdt_totalsize(fdt);
err = fdt_pack(fdt);
if (err)
FAIL("fdt_pack(): %s\n", fdt_strerror(err));
newsize = fdt_totalsize(fdt);
verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n",
oldsize, delsize, newsize);
if (newsize >= oldsize)
FAIL("Tree failed to shrink after deletions");
free(fdt);
PASS();
}