Function chr_int64

cpp/src/gandiva/precompiled/string_ops.cc:1409–1422

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

// Returns the ASCII character having the binary equivalent to A.
// If A is larger than 256 the result is equivalent to chr(A % 256).
FORCE_INLINE
const char* chr_int64(gdv_int64 context, gdv_int64 in, gdv_int32* out_len) {
  in = in % 256;
  *out_len = 1;

  char* ret = reinterpret_cast<char*>(gdv_fn_context_arena_malloc(context, *out_len));
  if (ret == nullptr) {
    gdv_fn_context_set_error_msg(context, "Could not allocate memory for output string");
    *out_len = 0;
    return "";
  }
  ret[0] = char(in);
  return ret;
}

FORCE_INLINE
const char* convert_fromUTF8_binary(gdv_int64 context, const char* bin_in, gdv_int32 len,