Function convert

src/common/Utility.cpp:27–38

#include <cassert>

static std::vector<char> convert(const char *source_enc, const char *target_enc, const void *source_data_ptr, size_t source_len, size_t max_dest_len) {
  std::vector<char> buf(max_dest_len);
  auto out_buf = buf.data();
  iconv_t converter = iconv_open(target_enc, source_enc);
  auto char_ptr = static_cast<const char *>(source_data_ptr);
  size_t res = iconv(converter, &char_ptr, &source_len, &out_buf, &max_dest_len);
  iconv_close(converter);

  if (res == static_cast<size_t>(-1))
    return {};
  return buf;
}

std::wstring to_wstring(std::string_view source) {
  auto bytes = convert("CHAR", "UCS-2LE//IGNORE", source.data(), source.length(), sizeof(wchar_t) * (source.length() + 1));