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>
97 lines
2.5 KiB
C
97 lines
2.5 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 fdt_path_offset()
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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 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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fdt32_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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