1 files changed, 6 insertions, 11 deletions

diff --git a/networking/nc.c b/networking/nc.c
index 1babe3bb7..fe845f582 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;
                 }
         }
 }