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