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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* libfdt - Flat Device Tree manipulation
* Basic testcase for read-only access
* Copyright (C) 2006 David Gibson, IBM Corporation.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdint.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
int main(int argc, char *argv[])
{
void *fdt, *fdt1, *fdt2, *fdt3;
char *buf;
int shuntsize;
int bufsize;
int err;
const char *inname;
char outname[PATH_MAX];
test_init(argc, argv);
fdt = load_blob_arg(argc, argv);
inname = argv[1];
shuntsize = ALIGN(fdt_totalsize(fdt) / 2, sizeof(uint64_t));
bufsize = fdt_totalsize(fdt) + shuntsize;
buf = xmalloc(bufsize);
fdt1 = buf;
err = fdt_move(fdt, fdt1, bufsize);
if (err)
FAIL("Failed to move tree into new buffer: %s",
fdt_strerror(err));
sprintf(outname, "moved.%s", inname);
save_blob(outname, fdt1);
fdt2 = buf + shuntsize;
err = fdt_move(fdt1, fdt2, bufsize-shuntsize);
if (err)
FAIL("Failed to shunt tree %d bytes: %s",
shuntsize, fdt_strerror(err));
sprintf(outname, "shunted.%s", inname);
save_blob(outname, fdt2);
fdt3 = buf;
err = fdt_move(fdt2, fdt3, bufsize);
if (err)
FAIL("Failed to deshunt tree %d bytes: %s",
shuntsize, fdt_strerror(err));
sprintf(outname, "deshunted.%s", inname);
save_blob(outname, fdt3);
PASS();
}