blob: 526f6152620794ac8efaa9d39178ccba8267878f [file] [log] [blame]
/*
* libfdt - Flat Device Tree manipulation
* Basic testcase for read-only access
* Copyright (C) 2006 David Gibson, IBM Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <fdt.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
int main(int argc, char *argv[])
{
struct fdt_header *fdt, *fdt1, *fdt2, *fdt3;
void *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 = fdt_move(fdt, buf, bufsize);
if ((err = fdt_ptr_error(fdt1)))
FAIL("Failed to move tree into new buffer: %s",
fdt_strerror(err));
sprintf(outname, "moved.%s", inname);
save_blob(outname, fdt1);
fdt2 = fdt_move(fdt1, buf + shuntsize, bufsize-shuntsize);
if ((err = fdt_ptr_error(fdt2)))
FAIL("Failed to shunt tree %d bytes: %s",
shuntsize, fdt_strerror(err));
sprintf(outname, "shunted.%s", inname);
save_blob(outname, fdt2);
fdt3 = fdt_move(fdt2, buf, bufsize);
if ((err = fdt_ptr_error(fdt3)))
FAIL("Failed to deshunt tree %d bytes: %s",
shuntsize, fdt_strerror(err));
sprintf(outname, "deshunted.%s", inname);
save_blob(outname, fdt3);
PASS();
}