diff options
| -rw-r--r-- | networking/nc.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/networking/nc.c b/networking/nc.c index 1babe3b..fe845f5 100644 --- a/networking/nc.c +++ b/networking/nc.c @@ -172,12 +172,11 @@ int nc_main(int argc, char **argv) testfds = readfds; - if (select(cfd + 1, &testfds, NULL, NULL, NULL) < 0) + if (select(FD_SETSIZE, &testfds, NULL, NULL, NULL) < 0) bb_perror_msg_and_die("select"); #define iobuf bb_common_bufsiz1 - fd = STDIN_FILENO; - while (1) { + for (fd = 0; fd < FD_SETSIZE; fd++) { if (FD_ISSET(fd, &testfds)) { nread = safe_read(fd, iobuf, sizeof(iobuf)); if (fd == cfd) { @@ -185,21 +184,17 @@ int nc_main(int argc, char **argv) exit(EXIT_SUCCESS); ofd = STDOUT_FILENO; } else { - if (nread < 1) { - /* Close outgoing half-connection so they get EOF, - * but leave incoming alone so we can see response */ + if (nread<1) { + // Close outgoing half-connection so they get EOF, but + // leave incoming alone so we can see response. shutdown(cfd, 1); FD_CLR(STDIN_FILENO, &readfds); } ofd = cfd; } xwrite(ofd, iobuf, nread); - if (delay > 0) - sleep(delay); + if (delay > 0) sleep(delay); } - if (fd == cfd) - break; - fd = cfd; } } } |