SYNOPSIS

       #include <idna.h>

       const char * idna_strerror(Idna_rc rc);

ARGUMENTS

       Idna_rc rc  an Idna_rc return code.

DESCRIPTION

       Convert  a  return  code  integer to a text string.  This string can be
       used to output a diagnostic message to the user.

IDNA_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.

IDNA_STRINGPREP_ERROR

       Error during string preparation.

IDNA_PUNYCODE_ERROR

       Error during punycode operation.

IDNA_CONTAINS_NON_LDH

       For  IDNA_USE_STD3_ASCII_RULES,  indicate  that  the  string   contains
       non-LDH ASCII characters.

IDNA_CONTAINS_MINUS

       For  IDNA_USE_STD3_ASCII_RULES,  indicate  that  the  string contains a
       leading or trailing hyphen-minus (U+002D).

IDNA_INVALID_LENGTH

       The final output string is not within the (inclusive)  range  1  to  63
       characters.

IDNA_NO_ACE_PREFIX

       The string does not contain the ACE prefix (for ToUnicode).

IDNA_ROUNDTRIP_VERIFY_ERROR

       The ToASCII operation on output string does not equal the input.

IDNA_CONTAINS_ACE_PREFIX

       The input contains the ACE prefix (for ToASCII).

IDNA_ICONV_ERROR

       Could not convert string in locale encoding.

IDNA_MALLOC_ERROR

       Could not allocate buffer (this is typically a fatal error).

IDNA_DLOPEN_ERROR

       Could not dlopen the libcidn DSO (only used internally in libc).

SEE ALSO

       The full documentation for libidn is maintained as  a  Texinfo  manual.
       If  the  info  and libidn programs are properly installed at your site,
       the command

              info libidn

       should give you access to the complete manual.



libidn                                1.2                     idna_strerror(3)