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72 lines
2.1 KiB
72 lines
2.1 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 fdt_node_offset_by_compatible() |
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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 <stdarg.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_search(void *fdt, const char *compat, ...) |
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{ |
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va_list ap; |
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int offset = -1, target; |
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va_start(ap, compat); |
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do { |
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target = va_arg(ap, int); |
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verbose_printf("Searching (target = %d): %d ->", |
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target, offset); |
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offset = fdt_node_offset_by_compatible(fdt, offset, compat); |
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verbose_printf("%d\n", offset); |
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if (offset != target) |
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FAIL("fdt_node_offset_by_compatible(%s) returns %d " |
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"instead of %d", compat, offset, target); |
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} while (target >= 0); |
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va_end(ap); |
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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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int subnode1_offset, subnode2_offset; |
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int subsubnode1_offset, subsubnode2_offset; |
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test_init(argc, argv); |
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fdt = load_blob_arg(argc, argv); |
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subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); |
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subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); |
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subsubnode1_offset = fdt_path_offset(fdt, "/subnode@1/subsubnode"); |
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subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode@0"); |
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if ((subnode1_offset < 0) || (subnode2_offset < 0) |
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|| (subsubnode1_offset < 0) || (subsubnode2_offset < 0)) |
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FAIL("Can't find required nodes"); |
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check_search(fdt, "test_tree1", 0, -FDT_ERR_NOTFOUND); |
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check_search(fdt, "subnode1", subnode1_offset, -FDT_ERR_NOTFOUND); |
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check_search(fdt, "subsubnode1", subsubnode1_offset, -FDT_ERR_NOTFOUND); |
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check_search(fdt, "subsubnode2", subsubnode2_offset, -FDT_ERR_NOTFOUND); |
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/* Eek.. HACK to make this work whatever the order in the |
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* example tree */ |
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if (subsubnode1_offset < subsubnode2_offset) |
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check_search(fdt, "subsubnode", subsubnode1_offset, |
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subsubnode2_offset, -FDT_ERR_NOTFOUND); |
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else |
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check_search(fdt, "subsubnode", subsubnode2_offset, |
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subsubnode1_offset, -FDT_ERR_NOTFOUND); |
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check_search(fdt, "nothing-like-this", -FDT_ERR_NOTFOUND); |
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PASS(); |
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}
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