// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)

/*

 * libfdt - Flat Device Tree manipulation

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

 *     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_BADPHANDLE),

  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),

  FDT_ERRTABENT(FDT_ERR_INTERNAL),

  FDT_ERRTABENT(FDT_ERR_BADNCELLS),

  FDT_ERRTABENT(FDT_ERR_BADVALUE),

  FDT_ERRTABENT(FDT_ERR_BADOVERLAY),

  FDT_ERRTABENT(FDT_ERR_NOPHANDLES),

  FDT_ERRTABENT(FDT_ERR_BADFLAGS),

  FDT_ERRTABENT(FDT_ERR_ALIGNMENT),

};

#define FDT_ERRTABSIZE  ((int)(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>";

}