-#include <endian.h>
-
-iconv_t ucs4_iconv;
-
-// UCS-4 string with support for getting from UTF-8
-class widestring : public std::wstring
-{
-public:
- void operator= (const char *from)
- {
- unsigned bytes = std::strlen(from);
- char *from_buf = strdup(from);
- wchar_t *to_buf = new wchar_t[bytes + 1];
-
- char *inptr = from_buf, *outptr = reinterpret_cast<char *> (to_buf);
-
- size_t in_left = bytes;
- size_t out_left = bytes * sizeof(wchar_t);
-
- size_t ret = iconv(ucs4_iconv, NULL, NULL, &outptr, &out_left);
- if (ret == (size_t)(-1)) {
- throw std::runtime_error("Error in iconv during initialization");
- }
-
- ret = iconv(ucs4_iconv, &inptr, &in_left, &outptr, &out_left);
- if (ret == (size_t)(-1)) {
- perror("iconv");
- throw std::runtime_error("Error in iconv during conversion");
- }
-
- erase(begin(), end());
- std::copy(to_buf, reinterpret_cast<wchar_t *> (outptr), std::back_inserter(*this));
-
- free(from_buf);
- delete[] to_buf;
- }
-};
-
-template<>
-void pqxx::from_string<widestring>(const char *from, widestring &to)
-{
- to = from;
-}