код

int file = open("kursach_log", O_WRONLY | O_CREAT, 0666); int count = nodes.size(); msgstruck buf; char write_buf[2000] = "Операция \""; memset(write_buf + 50, '\0', 490); while (count--){ msgrcv(msg_id, &buf, sizeof(buf) - sizeof(buf.mType), 1, 0); int iter = 18; for (auto &i: nodes[buf.num].first) write_buf[iter++] = i; write_buf[iter++] = '\"'; write_buf[iter++] = ' '; int o, j; if (nodes[buf.num].second == buf.time) { for (auto &i: "выполнена вовремя") write_buf[iter++] = i; --iter; } else { if (nodes[buf.num].second > buf.time){ for (auto &i: "выполнена с опережением на ") write_buf[iter++] = i; o = nodes[buf.num].second - buf.time, j = 1; } else { for (auto &i: "выполнена с опозданием на ") write_buf[iter++] = i; o = buf.time - nodes[buf.num].second, j = 1; while (o / j > 9) j *= 10; } --iter; for (; j > 0; j /= 10) write_buf[iter++] = (char)('0' + (o / j) % 10); for (auto &i: " дня") write_buf[iter++] = i; --iter;