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110 lines
3.2 KiB
110 lines
3.2 KiB
/* |
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* libfdt - Flat Device Tree manipulation |
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* Testcase for fdt_path_offset() |
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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 vcheck_search(void *fdt, const char *propname, const void *propval, |
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int proplen, va_list ap) |
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{ |
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int offset = -1, target; |
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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_prop_value(fdt, offset, propname, |
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propval, proplen); |
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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_prop_value() returns %d " |
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"instead of %d", offset, target); |
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} while (target >= 0); |
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} |
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static void check_search(void *fdt, const char *propname, const void *propval, |
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int proplen, ...) |
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{ |
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va_list ap; |
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va_start(ap, proplen); |
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vcheck_search(fdt, propname, propval, proplen, ap); |
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va_end(ap); |
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} |
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static void check_search_str(void *fdt, const char *propname, |
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const char *propval, ...) |
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{ |
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va_list ap; |
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va_start(ap, propval); |
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vcheck_search(fdt, propname, propval, strlen(propval)+1, ap); |
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va_end(ap); |
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} |
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#define check_search_cell(fdt, propname, propval, ...) \ |
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{ \ |
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uint32_t val = cpu_to_fdt32(propval); \ |
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check_search((fdt), (propname), &val, sizeof(val), \ |
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##__VA_ARGS__); \ |
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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_cell(fdt, "prop-int", TEST_VALUE_1, 0, subnode1_offset, |
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subsubnode1_offset, -FDT_ERR_NOTFOUND); |
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check_search_cell(fdt, "prop-int", TEST_VALUE_2, subnode2_offset, |
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subsubnode2_offset, -FDT_ERR_NOTFOUND); |
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check_search_str(fdt, "prop-str", TEST_STRING_1, 0, -FDT_ERR_NOTFOUND); |
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check_search_str(fdt, "prop-str", "no such string", -FDT_ERR_NOTFOUND); |
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check_search_cell(fdt, "prop-int", TEST_VALUE_1+1, -FDT_ERR_NOTFOUND); |
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check_search(fdt, "no-such-prop", NULL, 0, -FDT_ERR_NOTFOUND); |
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PASS(); |
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}
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