avro_example.c

            else if (column_is_variable_string(map->column_types[i]))
            {
                size_t sz;
                int bytes = metadata[metadata_offset] | metadata[metadata_offset + 1] << 8;
                if (bytes > 255)
                {
                    sz = gw_mysql_get_byte2(ptr);
                    ptr += 2;
                }
                else
                {
                    sz = *ptr;
                    ptr++;
                }

                char buf[sz + 1];
                memcpy(buf, ptr, sz);
                buf[sz] = '\0';
                ptr += sz;
                avro_value_set_string(&field, buf);
                MXS_INFO("variable_string_found: '%s' Len: %d", buf, (int)sz);

                ss_dassert(ptr < end);
            }