/*
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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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* 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 <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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