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/* strerror-tld.c --- Convert TLD errors into text.
 * Copyright (C) 2004, 2005, 2006, 2007, 2008  Simon Josefsson
 *
 * This file is part of GNU Libidn.
 *
 * GNU Libidn 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.
 *
 * GNU Libidn 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 GNU Libidn; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 *
 */

#ifdef HAVE_CONFIG_H
# include "idn_config.h"
#endif

#include "tld.h"

#include "gettext.h"
#define _(String) dgettext (PACKAGE, String)

/**
 * tld_strerror - return string describing tld error code
 * @rc: tld return code
 *
 * Convert a return code integer to a text string.  This string can be
 * used to output a diagnostic message to the user.
 *
 * TLD_SUCCESS: Successful operation.  This value is guaranteed to
 *   always be zero, the remaining ones are only guaranteed to hold
 *   non-zero values, for logical comparison purposes.
 * TLD_INVALID: Invalid character found.
 * TLD_NODATA: No input data was provided.
 * TLD_MALLOC_ERROR: Error during memory allocation.
 * TLD_ICONV_ERROR: Error during iconv string conversion.
 * TLD_NO_TLD: No top-level domain found in domain string.
 *
 * Return value: Returns a pointer to a statically allocated string
 * containing a description of the error with the return code @rc.
 **/
const char *
tld_strerror (Tld_rc rc)
{
  const char *p;

  bindtextdomain (PACKAGE, LOCALEDIR);

  switch (rc)
    {
    case TLD_SUCCESS:
      p = _("Success");
      break;

    case TLD_INVALID:
      p = _("Code points prohibited by top-level domain");
      break;

    case TLD_NODATA:
      p = _("Missing input");
      break;

    case TLD_MALLOC_ERROR:
      p = _("Cannot allocate memory");
      break;

    case TLD_ICONV_ERROR:
      p = _("System iconv failed");
      break;

    case TLD_NO_TLD:
      p = _("No top-level domain found in input");
      break;

    default:
      p = _("Unknown error");
      break;
    }

  return p;
}