59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
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// 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;
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void *buf;
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int oldsize, bufsize, packsize;
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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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oldsize = fdt_totalsize(fdt);
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bufsize = oldsize * 2;
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buf = xmalloc(bufsize);
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/* don't leak uninitialized memory into our output */
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memset(buf, 0, bufsize);
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fdt1 = buf;
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err = fdt_open_into(fdt, fdt1, bufsize);
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if (err)
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FAIL("fdt_open_into(): %s", fdt_strerror(err));
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sprintf(outname, "opened.%s", inname);
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save_blob(outname, fdt1);
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err = fdt_pack(fdt1);
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if (err)
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FAIL("fdt_pack(): %s", fdt_strerror(err));
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sprintf(outname, "repacked.%s", inname);
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save_blob(outname, fdt1);
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packsize = fdt_totalsize(fdt1);
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verbose_printf("oldsize = %d, bufsize = %d, packsize = %d\n",
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oldsize, bufsize, packsize);
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PASS();
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}
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