c4ffc05574
Replace instances in tests of mostly LGPL-2.1 license boilerplate with SPDX tags. Signed-off-by: Rob Herring <robh@kernel.org> Message-Id: <20190620211944.9378-5-robh@kernel.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
68 lines
2 KiB
C
68 lines
2 KiB
C
// 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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* Testcase for misbehaviour on a truncated string
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* Copyright (C) 2018 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 <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 = &truncated_string;
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const struct fdt_property *good, *bad;
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int off, len;
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const char *name;
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test_init(argc, argv);
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vg_prepare_blob(fdt, fdt_totalsize(fdt));
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off = fdt_first_property_offset(fdt, 0);
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good = fdt_get_property_by_offset(fdt, off, NULL);
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off = fdt_next_property_offset(fdt, off);
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bad = fdt_get_property_by_offset(fdt, off, NULL);
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if (fdt32_to_cpu(good->len) != 0)
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FAIL("Unexpected length for good property");
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name = fdt_get_string(fdt, fdt32_to_cpu(good->nameoff), &len);
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if (!name)
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FAIL("fdt_get_string() failed on good property: %s",
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fdt_strerror(len));
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if (len != 4)
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FAIL("fdt_get_string() returned length %d (not 4) on good property",
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len);
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if (!streq(name, "good"))
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FAIL("fdt_get_string() returned \"%s\" (not \"good\") on good property",
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name);
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if (fdt32_to_cpu(bad->len) != 0)
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FAIL("Unexpected length for bad property\n");
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name = fdt_get_string(fdt, fdt32_to_cpu(bad->nameoff), &len);
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if (name)
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FAIL("fdt_get_string() succeeded incorrectly on bad property");
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else if (len != -FDT_ERR_TRUNCATED)
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FAIL("fdt_get_string() gave unexpected error on bad property: %s",
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fdt_strerror(len));
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/* Make sure the 'good' property breaks correctly if we
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* truncate the strings section */
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fdt_set_size_dt_strings(fdt, fdt32_to_cpu(good->nameoff) + 4);
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name = fdt_get_string(fdt, fdt32_to_cpu(good->nameoff), &len);
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if (name)
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FAIL("fdt_get_string() succeeded incorrectly on mangled property");
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else if (len != -FDT_ERR_TRUNCATED)
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FAIL("fdt_get_string() gave unexpected error on mangled property: %s",
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fdt_strerror(len));
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PASS();
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}
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