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101 lines
2.6 KiB
101 lines
2.6 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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* Testcase for string references in dtc |
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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 <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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static void check_ref(const void *fdt, int node, const char *checkpath) |
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{ |
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const char *p; |
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int len; |
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p = fdt_getprop(fdt, node, "ref", &len); |
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if (!p) |
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FAIL("fdt_getprop(%d, \"ref\"): %s", node, fdt_strerror(len)); |
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if (!streq(p, checkpath)) |
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FAIL("'ref' in node at %d has value \"%s\" instead of \"%s\"", |
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node, p, checkpath); |
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p = fdt_getprop(fdt, node, "lref", &len); |
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if (!p) |
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FAIL("fdt_getprop(%d, \"lref\"): %s", node, fdt_strerror(len)); |
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if (!streq(p, checkpath)) |
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FAIL("'lref' in node at %d has value \"%s\" instead of \"%s\"", |
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node, p, checkpath); |
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} |
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static void check_rref(const void *fdt) |
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{ |
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const char *p; |
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int len; |
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/* Check reference to root node */ |
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p = fdt_getprop(fdt, 0, "rref", &len); |
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if (!p) |
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FAIL("fdt_getprop(0, \"rref\"): %s", fdt_strerror(len)); |
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if (!streq(p, "/")) |
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FAIL("'rref' in root node has value \"%s\" instead of \"/\"", |
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p); |
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} |
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int main(int argc, char *argv[]) |
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{ |
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void *fdt; |
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const char *p; |
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int len, multilen; |
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int n1, n2, n3, n4, n5; |
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test_init(argc, argv); |
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fdt = load_blob_arg(argc, argv); |
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n1 = fdt_path_offset(fdt, "/node1"); |
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if (n1 < 0) |
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FAIL("fdt_path_offset(/node1): %s", fdt_strerror(n1)); |
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n2 = fdt_path_offset(fdt, "/node2"); |
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if (n2 < 0) |
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FAIL("fdt_path_offset(/node2): %s", fdt_strerror(n2)); |
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check_ref(fdt, n1, "/node2"); |
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check_ref(fdt, n2, "/node1"); |
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/* Check multiple reference */ |
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multilen = strlen("/node1") + strlen("/node2") + 2; |
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p = fdt_getprop(fdt, 0, "multiref", &len); |
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if (!p) |
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FAIL("fdt_getprop(0, \"multiref\"): %s", fdt_strerror(len)); |
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if (len != multilen) |
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FAIL("multiref has wrong length, %d instead of %d", |
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len, multilen); |
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if ((!streq(p, "/node1") || !streq(p + strlen("/node1") + 1, "/node2"))) |
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FAIL("multiref has wrong value"); |
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/* Check reference to nested nodes with common prefix */ |
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n3 = fdt_path_offset(fdt, "/foo/baz"); |
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if (n3 < 0) |
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FAIL("fdt_path_offset(/foo/baz): %s", fdt_strerror(n3)); |
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n4 = fdt_path_offset(fdt, "/foobar/baz"); |
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if (n4 < 0) |
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FAIL("fdt_path_offset(/foobar/baz): %s", fdt_strerror(n4)); |
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check_ref(fdt, n3, "/foobar/baz"); |
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check_ref(fdt, n4, "/foo/baz"); |
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n5 = fdt_path_offset(fdt, "/bar/baz"); |
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if (n5 < 0) |
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FAIL("fdt_path_offset(/bar/baz): %s", fdt_strerror(n5)); |
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check_ref(fdt, n5, "/bar/baz"); |
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check_rref(fdt); |
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PASS(); |
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}
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