Function wcsstrlen

cpp/src/arrow/flight/sql/odbc/odbc_impl/encoding.h:51–56

template <typename CHAR_TYPE>
inline size_t wcsstrlen(const void* wcs_string) {
  size_t len;
  for (len = 0; ((CHAR_TYPE*)wcs_string)[len]; len++) {
  }
  return len;
}

inline size_t wcsstrlen(const void* wcs_string) {
  switch (GetSqlWCharSize()) {