Function ascii_utf8

cpp/src/gandiva/precompiled/string_ops.cc:1382–1388

Returns the numeric value of the first character of str.

// Returns the numeric value of the first character of str.
GANDIVA_EXPORT
gdv_int32 ascii_utf8(const char* data, gdv_int32 data_len) {
  if (data_len == 0) {
    return 0;
  }
  return static_cast<gdv_int32>(static_cast<signed char>(data[0]));
}

// Returns the ASCII character having the binary equivalent to A.
// If A is larger than 256 the result is equivalent to chr(A % 256).