revert last commit, it was meant for master

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/networking/nc.c b/networking/nc.c
index 1babe3bb76e806d3e15c60121cc226bbd7bde996..fe845f58291b13016d98af6095aa4e30937f86a7 100644 (file)
--- 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;
                }
        }
 }