strerror-idna.c

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/* strerror-idna.c --- Convert IDNA errors into text.
   Copyright (C) 2004-2024 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 either:
 
     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at
       your option) any later version.
 
   or
 
     * 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.
 
   or both in parallel, as here.
 
   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
   General Public License for more details.
 
   You should have received copies of the GNU General Public License and
   the GNU Lesser General Public License along with this program.  If
   not, see <https://www.gnu.org/licenses/>. */
 
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
 
#include "idna.h"
 
#include "gettext.h"
#define _(String) dgettext (PACKAGE, String)
 
const char *
idna_strerror (Idna_rc rc)
{
  const char *p;
 
  bindtextdomain (PACKAGE, LOCALEDIR);
 
  switch (rc)
    {
    case IDNA_SUCCESS:
      p = _("Success");
      break;
 
    case IDNA_STRINGPREP_ERROR:
      p = _("String preparation failed");
      break;
 
    case IDNA_PUNYCODE_ERROR:
      p = _("Punycode failed");
      break;
 
    case IDNA_CONTAINS_NON_LDH:
      p = _("Non-digit/letter/hyphen in input");
      break;
 
    case IDNA_CONTAINS_MINUS:
      p = _("Forbidden leading or trailing minus sign ('-')");
      break;
 
    case IDNA_INVALID_LENGTH:
      p = _("Output would be too large or too small");
      break;
 
    case IDNA_NO_ACE_PREFIX:
      p = _("Input does not start with ACE prefix ('xn--')");
      break;
 
    case IDNA_ROUNDTRIP_VERIFY_ERROR:
      p = _("String not idempotent under ToASCII");
      break;
 
    case IDNA_CONTAINS_ACE_PREFIX:
      p = _("Input already contain ACE prefix ('xn--')");
      break;
 
    case IDNA_ICONV_ERROR:
      p = _("Character encoding conversion error");
      break;
 
    case IDNA_MALLOC_ERROR:
      p = _("Cannot allocate memory");
      break;
 
    case IDNA_DLOPEN_ERROR:
      p = _("System dlopen failed");
      break;
 
    default:
      p = _("Unknown error");
      break;
    }
 
  return p;
}