On 08/15/2014 20:44, Garrett D'Amore via illumos-discuss wrote:
iconv looks busted to me.
Can you convert using iconv() UTF-8 to UCS-4? If you can't, then its
entirely an iconv() problem.
If you're working with wchar_t (which is *not* guaranteed to be UCS-4, or
anything else), you *must* use the libc wide character functions. The only
reason to use iconv to work with UCS-4 strings is because that's an
external format; do not use iconv when converting back and forth to
wchar_t. (It *should* work if your locale is UTF-8, but its technically
incorrect; the details of how wchar_t's are encoded is an operating system
implementation detail.)
Out of curiosity, why are you working with UCS-4/UTF-32? I rarely see this
content.
Perhaps, I just don't understand iconv() work entirely and do some
stupid errors. Will have to spend more time on it... As for interest to
UCS-4, I just want to rewrite the following glibmm code (and similar) in
something working on Solaris/illumos:
gsize n_bytes = 0;
const ScopedPtr<char> buf (
g_convert(reinterpret_cast<const char*>(str.data()),
str.size() * sizeof(std::wstring::value_type),
"UTF-8", "WCHAR_T", 0, &n_bytes, &error));
it ends up calling iconv_open(hndl,"UTF-8", "WCHAR_T") and failing there
(as UTF-8 <=> WCHAR_T conversion is unsupported on Solaris/illumos). GNU
libiconv handles such conversion.
--
Best regards,
Alexander Pyhalov,
system administrator of Computer Center of Southern Federal University
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