text: /*
   * libfdt - Flat Device Tree manipulation
   * Copyright (C) 2006 David Gibson, IBM Corporation.
   *
   *     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 <fdt.h>
  #include <libfdt.h>
  
  #include "libfdt_env.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>";
  }
  