blob: 9212a4efeffc604f9911fdd97a5b55f00b14dbe4 [file] [log] [blame]
* libfdt - Flat Device Tree manipulation
* Testcase for fdt_path_offset()
* Copyright (C) 2006 David Gibson, IBM Corporation.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdarg.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
static void vcheck_search(void *fdt, const char *propname, const void *propval,
int proplen, va_list ap)
int offset = -1, target;
do {
target = va_arg(ap, int);
verbose_printf("Searching (target = %d): %d ->",
target, offset);
offset = fdt_node_offset_by_prop_value(fdt, offset, propname,
propval, proplen);
verbose_printf("%d\n", offset);
if (offset != target)
FAIL("fdt_node_offset_by_prop_value() returns %d "
"instead of %d", offset, target);
} while (target >= 0);
static void check_search(void *fdt, const char *propname, const void *propval,
int proplen, ...)
va_list ap;
va_start(ap, proplen);
vcheck_search(fdt, propname, propval, proplen, ap);
static void check_search_str(void *fdt, const char *propname,
const char *propval, ...)
va_list ap;
va_start(ap, propval);
vcheck_search(fdt, propname, propval, strlen(propval)+1, ap);
#define check_search_cell(fdt, propname, propval, ...) \
{ \
uint32_t val = cpu_to_fdt32(propval); \
check_search((fdt), (propname), &val, sizeof(val), \
##__VA_ARGS__); \
int main(int argc, char *argv[])
void *fdt;
int subnode1_offset, subnode2_offset;
int subsubnode1_offset, subsubnode2_offset;
test_init(argc, argv);
fdt = load_blob_arg(argc, argv);
subnode1_offset = fdt_path_offset(fdt, "/subnode@1");
subnode2_offset = fdt_path_offset(fdt, "/subnode@2");
subsubnode1_offset = fdt_path_offset(fdt, "/subnode@1/subsubnode");
subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode@0");
if ((subnode1_offset < 0) || (subnode2_offset < 0)
|| (subsubnode1_offset < 0) || (subsubnode2_offset < 0))
FAIL("Can't find required nodes");
check_search_cell(fdt, "prop-int", TEST_VALUE_1, 0, subnode1_offset,
subsubnode1_offset, -FDT_ERR_NOTFOUND);
check_search_cell(fdt, "prop-int", TEST_VALUE_2, subnode2_offset,
subsubnode2_offset, -FDT_ERR_NOTFOUND);
check_search_str(fdt, "prop-str", TEST_STRING_1, 0, -FDT_ERR_NOTFOUND);
check_search_str(fdt, "prop-str", "no such string", -FDT_ERR_NOTFOUND);
check_search_cell(fdt, "prop-int", TEST_VALUE_1+1, -FDT_ERR_NOTFOUND);
check_search(fdt, "no-such-prop", NULL, 0, -FDT_ERR_NOTFOUND);