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62 lines
1.4 KiB
62 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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