runsvd: shrink by Vladimir

[oweals/busybox.git] / networking / nc.c

diff --git a/networking/nc.c b/networking/nc.c
index 27c58a8c817706b9154c02bb36140f516b4a89b2..1a99f91ccf387109b9a29291363f2c396e80f227 100644 (file)
--- a/networking/nc.c
+++ b/networking/nc.c
@@ -17,7 +17,7 @@
  * when compared to "standard" nc
  */
 
-static void timeout(int signum ATTRIBUTE_UNUSED)
+static void timeout(int signum UNUSED_PARAM)
 {
        bb_error_msg_and_die("timed out");
 }
@@ -150,12 +150,9 @@ int nc_main(int argc, char **argv)
                        goto accept_again;
                }
                /* child (or main thread if no multiple -l) */
-               if (cfd) {
-                       dup2(cfd, 0);
-                       close(cfd);
-               }
-               dup2(0, 1);
-               dup2(0, 2);
+               xmove_fd(cfd, 0);
+               xdup2(0, 1);
+               xdup2(0, 2);
                USE_NC_EXTRA(BB_EXECVP(execparam[0], execparam);)
                /* Don't print stuff or it will go over the wire.... */
                _exit(127);