/*

 * 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

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * 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 <fdt.h>

#include <libfdt.h>

#include "tests.h"

#include "testdata.h"

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);

}

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);

	va_end(ap);

}

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);

	va_end(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);

	PASS();

}