diff options
| -rw-r--r-- | networking/nc.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/networking/nc.c b/networking/nc.c index fe845f582..1babe3bb7 100644 --- a/networking/nc.c +++ b/networking/nc.c @@ -172,11 +172,12 @@ int nc_main(int argc, char **argv) testfds = readfds; - if (select(FD_SETSIZE, &testfds, NULL, NULL, NULL) < 0) + if (select(cfd + 1, &testfds, NULL, NULL, NULL) < 0) bb_perror_msg_and_die("select"); #define iobuf bb_common_bufsiz1 - for (fd = 0; fd < FD_SETSIZE; fd++) { + fd = STDIN_FILENO; + while (1) { if (FD_ISSET(fd, &testfds)) { nread = safe_read(fd, iobuf, sizeof(iobuf)); if (fd == cfd) { @@ -184,17 +185,21 @@ 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; } } } |