Coverage Report

Created: 2025-01-28 06:58

/src/libidn2/lib/error.c
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/* error.c - libidn2 error handling helpers.
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   Copyright (C) 2011-2024 Simon Josefsson
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   Libidn2 is free software: you can redistribute it and/or modify it
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   under the terms of either:
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     * the GNU Lesser General Public License as published by the Free
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       Software Foundation; either version 3 of the License, or (at
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       your option) any later version.
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   or
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     * the GNU General Public License as published by the Free
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       Software Foundation; either version 2 of the License, or (at
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       your option) any later version.
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   or both in parallel, as here.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received copies of the GNU General Public License and
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   the GNU Lesser General Public License along with this program.  If
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   not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "idn2.h"
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/* Prepare for gettext. */
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7.33k
#define _(x) x
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#define bindtextdomain(a,b)
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/**
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 * idn2_strerror:
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 * @rc: return code from another libidn2 function.
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 *
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 * Convert internal libidn2 error code to a humanly readable string.
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 * The returned pointer must not be de-allocated by the caller.
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 *
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 * Return value: A humanly readable string describing error.
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 **/
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const char *
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idn2_strerror (int rc)
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7.33k
{
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7.33k
  bindtextdomain (PACKAGE, LOCALEDIR);
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7.33k
  switch (rc)
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7.33k
    {
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0
    case IDN2_OK:
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      return _("success");
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0
    case IDN2_MALLOC:
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0
      return _("out of memory");
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0
    case IDN2_NO_CODESET:
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0
      return _("could not determine locale encoding format");
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0
    case IDN2_ICONV_FAIL:
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0
      return _("could not convert string to UTF-8");
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2.84k
    case IDN2_ENCODING_ERROR:
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      return _("string encoding error");
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0
    case IDN2_NFC:
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0
      return _("string could not be NFC normalized");
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    case IDN2_PUNYCODE_BAD_INPUT:
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      return _("string contains invalid punycode data");
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    case IDN2_PUNYCODE_BIG_OUTPUT:
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      return _("punycode encoded data will be too large");
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    case IDN2_PUNYCODE_OVERFLOW:
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      return _("punycode conversion resulted in overflow");
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    case IDN2_TOO_BIG_DOMAIN:
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      return _("domain name longer than 255 characters");
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    case IDN2_TOO_BIG_LABEL:
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      return _("domain label longer than 63 characters");
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0
    case IDN2_INVALID_ALABEL:
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0
      return _("input A-label is not valid");
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0
    case IDN2_UALABEL_MISMATCH:
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      return _("input A-label and U-label does not match");
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    case IDN2_NOT_NFC:
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      return _("string is not in Unicode NFC format");
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    case IDN2_2HYPHEN:
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      return _("string contains forbidden two hyphens pattern");
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    case IDN2_HYPHEN_STARTEND:
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      return _("string start/ends with forbidden hyphen");
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    case IDN2_LEADING_COMBINING:
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      return _("string contains a forbidden leading combining character");
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2.41k
    case IDN2_DISALLOWED:
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      return _("string contains a disallowed character");
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0
    case IDN2_CONTEXTJ:
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      return _("string contains a forbidden context-j character");
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    case IDN2_CONTEXTJ_NO_RULE:
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      return _("string contains a context-j character with null rule");
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    case IDN2_CONTEXTO:
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      return _("string contains a forbidden context-o character");
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    case IDN2_CONTEXTO_NO_RULE:
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      return _("string contains a context-o character with null rule");
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    case IDN2_UNASSIGNED:
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      return _("string contains unassigned code point");
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    case IDN2_BIDI:
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      return _("string has forbidden bi-directional properties");
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    case IDN2_DOT_IN_LABEL:
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      return _("domain label has forbidden dot (TR46)");
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    case IDN2_INVALID_TRANSITIONAL:
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      return
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  _("domain label has character forbidden in transitional mode (TR46)");
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    case IDN2_INVALID_NONTRANSITIONAL:
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      return
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  _
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  ("domain label has character forbidden in non-transitional mode (TR46)");
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    case IDN2_ALABEL_ROUNDTRIP_FAILED:
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      return _("A-label roundtrip failed");
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    default:
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      return _("Unknown error");
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7.33k
    }
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7.33k
}
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#define ERR2STR(name) #name
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/**
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 * idn2_strerror_name:
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 * @rc: return code from another libidn2 function.
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 *
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 * Convert internal libidn2 error code to a string corresponding to
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 * internal header file symbols.  For example,
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 * idn2_strerror_name(IDN2_MALLOC) will return the string
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 * "IDN2_MALLOC".
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 *
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 * The caller must not attempt to de-allocate the returned string.
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 *
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 * Return value: A string corresponding to error code symbol.
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 **/
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const char *
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idn2_strerror_name (int rc)
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{
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  switch (rc)
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    {
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    case IDN2_OK:
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      return ERR2STR (IDN2_OK);
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    case IDN2_MALLOC:
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      return ERR2STR (IDN2_MALLOC);
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    case IDN2_NO_CODESET:
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      return ERR2STR (IDN2_NO_NODESET);
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    case IDN2_ICONV_FAIL:
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      return ERR2STR (IDN2_ICONV_FAIL);
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    case IDN2_ENCODING_ERROR:
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      return ERR2STR (IDN2_ENCODING_ERROR);
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    case IDN2_NFC:
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      return ERR2STR (IDN2_NFC);
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    case IDN2_PUNYCODE_BAD_INPUT:
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      return ERR2STR (IDN2_PUNYCODE_BAD_INPUT);
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    case IDN2_PUNYCODE_BIG_OUTPUT:
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      return ERR2STR (IDN2_PUNYCODE_BIG_OUTPUT);
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    case IDN2_PUNYCODE_OVERFLOW:
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      return ERR2STR (IDN2_PUNYCODE_OVERFLOW);
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    case IDN2_TOO_BIG_DOMAIN:
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      return ERR2STR (IDN2_TOO_BIG_DOMAIN);
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    case IDN2_TOO_BIG_LABEL:
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      return ERR2STR (IDN2_TOO_BIG_LABEL);
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    case IDN2_INVALID_ALABEL:
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      return ERR2STR (IDN2_INVALID_ALABEL);
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    case IDN2_UALABEL_MISMATCH:
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      return ERR2STR (IDN2_UALABEL_MISMATCH);
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    case IDN2_INVALID_FLAGS:
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      return ERR2STR (IDN2_INVALID_FLAGS);
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    case IDN2_NOT_NFC:
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      return ERR2STR (IDN2_NOT_NFC);
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    case IDN2_2HYPHEN:
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      return ERR2STR (IDN2_2HYPHEN);
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    case IDN2_HYPHEN_STARTEND:
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      return ERR2STR (IDN2_HYPHEN_STARTEND);
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    case IDN2_LEADING_COMBINING:
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      return ERR2STR (IDN2_LEADING_COMBINING);
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    case IDN2_DISALLOWED:
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      return ERR2STR (IDN2_DISALLOWED);
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    case IDN2_CONTEXTJ:
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      return ERR2STR (IDN2_CONTEXTJ);
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    case IDN2_CONTEXTJ_NO_RULE:
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      return ERR2STR (IDN2_CONTEXTJ_NO_RULE);
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    case IDN2_CONTEXTO:
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      return ERR2STR (IDN2_CONTEXTO);
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    case IDN2_CONTEXTO_NO_RULE:
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      return ERR2STR (IDN2_CONTEXTO_NO_RULE);
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    case IDN2_UNASSIGNED:
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      return ERR2STR (IDN2_UNASSIGNED);
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    case IDN2_BIDI:
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      return ERR2STR (IDN2_BIDI);
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    case IDN2_DOT_IN_LABEL:
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      return ERR2STR (IDN2_DOT_IN_LABEL);
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    case IDN2_INVALID_TRANSITIONAL:
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      return ERR2STR (IDN2_INVALID_TRANSITIONAL);
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    case IDN2_INVALID_NONTRANSITIONAL:
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      return ERR2STR (IDN2_INVALID_NONTRANSITIONAL);
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    case IDN2_ALABEL_ROUNDTRIP_FAILED:
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      return ERR2STR (IDN2_ALABEL_ROUNDTRIP_FAILED);
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    default:
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      return "IDN2_UNKNOWN";
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    }
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}