/*

 * libfdt - Flat Device Tree manipulation

 * Copyright (C) 2006 David Gibson, IBM Corporation.

 *

 * libfdt is dual licensed: you can use it either under the terms of

 * the GPL, or the BSD license, at your option.

 *

 *  a) This library is free software; you can redistribute it and/or

 *     modify it under the terms of the GNU General Public License as

 *     published by the Free Software Foundation; either version 2 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 General Public License for more details.

 *

 *     You should have received a copy of the GNU 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

 *

 * Alternatively,

 *

 *  b) Redistribution and use in source and binary forms, with or

 *     without modification, are permitted provided that the following

 *     conditions are met:

 *

 *     1. Redistributions of source code must retain the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer.

 *     2. Redistributions in binary form must reproduce the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer in the documentation and/or other materials

 *        provided with the distribution.

 *

 *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND

 *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,

 *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

 *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "libfdt_env.h"

#include <fdt.h>

#include <libfdt.h>

#include "libfdt_internal.h"

struct fdt_errtabent {

	const char *str;

};

#define FDT_ERRTABENT(val) \

	[(val)] = { .str = #val, }

static struct fdt_errtabent fdt_errtable[] = {

	FDT_ERRTABENT(FDT_ERR_NOTFOUND),

	FDT_ERRTABENT(FDT_ERR_EXISTS),

	FDT_ERRTABENT(FDT_ERR_NOSPACE),

	FDT_ERRTABENT(FDT_ERR_BADOFFSET),

	FDT_ERRTABENT(FDT_ERR_BADPATH),

	FDT_ERRTABENT(FDT_ERR_BADSTATE),

	FDT_ERRTABENT(FDT_ERR_TRUNCATED),

	FDT_ERRTABENT(FDT_ERR_BADMAGIC),

	FDT_ERRTABENT(FDT_ERR_BADVERSION),

	FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),

	FDT_ERRTABENT(FDT_ERR_BADLAYOUT),

};

#define FDT_ERRTABSIZE	(sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))

const char *fdt_strerror(int errval)

{

	if (errval > 0)

		return "<valid offset/length>";

	else if (errval == 0)

		return "<no error>";

	else if (errval > -FDT_ERRTABSIZE) {

		const char *s = fdt_errtable[-errval].str;

		if (s)

			return s;

	}

	return "<unknown error>";

}