LCOV - code coverage report
Current view: top level - lib - strerror-idna.c (source / functions) Hit Total Coverage
Test: GNU Libidn Lines: 30 30 100.0 %
Date: 2013-07-10 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 13 13 100.0 %

           Branch data     Line data    Source code
       1                 :            : /* strerror-idna.c --- Convert IDNA errors into text.
       2                 :            :    Copyright (C) 2004-2013 Simon Josefsson
       3                 :            : 
       4                 :            :    This file is part of GNU Libidn.
       5                 :            : 
       6                 :            :    GNU Libidn is free software: you can redistribute it and/or
       7                 :            :    modify it under the terms of either:
       8                 :            : 
       9                 :            :      * the GNU Lesser General Public License as published by the Free
      10                 :            :        Software Foundation; either version 3 of the License, or (at
      11                 :            :        your option) any later version.
      12                 :            : 
      13                 :            :    or
      14                 :            : 
      15                 :            :      * the GNU General Public License as published by the Free
      16                 :            :        Software Foundation; either version 2 of the License, or (at
      17                 :            :        your option) any later version.
      18                 :            : 
      19                 :            :    or both in parallel, as here.
      20                 :            : 
      21                 :            :    GNU Libidn is distributed in the hope that it will be useful,
      22                 :            :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      23                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24                 :            :    General Public License for more details.
      25                 :            : 
      26                 :            :    You should have received copies of the GNU General Public License and
      27                 :            :    the GNU Lesser General Public License along with this program.  If
      28                 :            :    not, see <http://www.gnu.org/licenses/>. */
      29                 :            : 
      30                 :            : #ifdef HAVE_CONFIG_H
      31                 :            : # include "config.h"
      32                 :            : #endif
      33                 :            : 
      34                 :            : #include "idna.h"
      35                 :            : 
      36                 :            : #include "gettext.h"
      37                 :            : #define _(String) dgettext (PACKAGE, String)
      38                 :            : 
      39                 :            : /**
      40                 :            :  * idna_strerror:
      41                 :            :  * @rc: an #Idna_rc return code.
      42                 :            :  *
      43                 :            :  * Convert a return code integer to a text string.  This string can be
      44                 :            :  * used to output a diagnostic message to the user.
      45                 :            :  *
      46                 :            :  * IDNA_SUCCESS: Successful operation.  This value is guaranteed to
      47                 :            :  *   always be zero, the remaining ones are only guaranteed to hold
      48                 :            :  *   non-zero values, for logical comparison purposes.
      49                 :            :  * IDNA_STRINGPREP_ERROR:  Error during string preparation.
      50                 :            :  * IDNA_PUNYCODE_ERROR: Error during punycode operation.
      51                 :            :  * IDNA_CONTAINS_NON_LDH: For IDNA_USE_STD3_ASCII_RULES, indicate that
      52                 :            :  *   the string contains non-LDH ASCII characters.
      53                 :            :  * IDNA_CONTAINS_MINUS: For IDNA_USE_STD3_ASCII_RULES, indicate that
      54                 :            :  *   the string contains a leading or trailing hyphen-minus (U+002D).
      55                 :            :  * IDNA_INVALID_LENGTH: The final output string is not within the
      56                 :            :  *   (inclusive) range 1 to 63 characters.
      57                 :            :  * IDNA_NO_ACE_PREFIX: The string does not contain the ACE prefix
      58                 :            :  *   (for ToUnicode).
      59                 :            :  * IDNA_ROUNDTRIP_VERIFY_ERROR: The ToASCII operation on output
      60                 :            :  *   string does not equal the input.
      61                 :            :  * IDNA_CONTAINS_ACE_PREFIX: The input contains the ACE prefix (for
      62                 :            :  *   ToASCII).
      63                 :            :  * IDNA_ICONV_ERROR: Could not convert string in locale encoding.
      64                 :            :  * IDNA_MALLOC_ERROR: Could not allocate buffer (this is typically a
      65                 :            :  *   fatal error).
      66                 :            :  * IDNA_DLOPEN_ERROR: Could not dlopen the libcidn DSO (only used
      67                 :            :  *   internally in libc).
      68                 :            :  *
      69                 :            :  * Return value: Returns a pointer to a statically allocated string
      70                 :            :  * containing a description of the error with the return code @rc.
      71                 :            :  **/
      72                 :            : const char *
      73                 :         18 : idna_strerror (Idna_rc rc)
      74                 :            : {
      75                 :            :   const char *p;
      76                 :            : 
      77                 :         18 :   bindtextdomain (PACKAGE, LOCALEDIR);
      78                 :            : 
      79   [ +  +  +  +  :         18 :   switch (rc)
          +  +  +  +  +  
             +  +  +  + ]
      80                 :            :     {
      81                 :            :     case IDNA_SUCCESS:
      82                 :          2 :       p = _("Success");
      83                 :          2 :       break;
      84                 :            : 
      85                 :            :     case IDNA_STRINGPREP_ERROR:
      86                 :          1 :       p = _("String preparation failed");
      87                 :          1 :       break;
      88                 :            : 
      89                 :            :     case IDNA_PUNYCODE_ERROR:
      90                 :          1 :       p = _("Punycode failed");
      91                 :          1 :       break;
      92                 :            : 
      93                 :            :     case IDNA_CONTAINS_NON_LDH:
      94                 :          1 :       p = _("Non-digit/letter/hyphen in input");
      95                 :          1 :       break;
      96                 :            : 
      97                 :            :     case IDNA_CONTAINS_MINUS:
      98                 :          1 :       p = _("Forbidden leading or trailing minus sign (`-')");
      99                 :          1 :       break;
     100                 :            : 
     101                 :            :     case IDNA_INVALID_LENGTH:
     102                 :          1 :       p = _("Output would be too large or too small");
     103                 :          1 :       break;
     104                 :            : 
     105                 :            :     case IDNA_NO_ACE_PREFIX:
     106                 :          1 :       p = _("Input does not start with ACE prefix (`xn--')");
     107                 :          1 :       break;
     108                 :            : 
     109                 :            :     case IDNA_ROUNDTRIP_VERIFY_ERROR:
     110                 :          1 :       p = _("String not idempotent under ToASCII");
     111                 :          1 :       break;
     112                 :            : 
     113                 :            :     case IDNA_CONTAINS_ACE_PREFIX:
     114                 :          1 :       p = _("Input already contain ACE prefix (`xn--')");
     115                 :          1 :       break;
     116                 :            : 
     117                 :            :     case IDNA_ICONV_ERROR:
     118                 :          1 :       p = _("System iconv failed");
     119                 :          1 :       break;
     120                 :            : 
     121                 :            :     case IDNA_MALLOC_ERROR:
     122                 :          1 :       p = _("Cannot allocate memory");
     123                 :          1 :       break;
     124                 :            : 
     125                 :            :     case IDNA_DLOPEN_ERROR:
     126                 :          1 :       p = _("System dlopen failed");
     127                 :          1 :       break;
     128                 :            : 
     129                 :            :     default:
     130                 :          5 :       p = _("Unknown error");
     131                 :          5 :       break;
     132                 :            :     }
     133                 :            : 
     134                 :         18 :   return p;
     135                 :            : }

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