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72 lines
2.1 KiB
72 lines
2.1 KiB
18 years ago
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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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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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 <fdt.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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struct fdt_header *fdt, *fdt1, *fdt2, *fdt3;
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void *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 = fdt_move(fdt, buf, bufsize);
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if ((err = fdt_ptr_error(fdt1)))
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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 = fdt_move(fdt1, buf + shuntsize, bufsize-shuntsize);
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if ((err = fdt_ptr_error(fdt2)))
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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 = fdt_move(fdt2, buf, bufsize);
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if ((err = fdt_ptr_error(fdt3)))
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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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