patch by Shaun Jackman to combine dup/close funcs into dup2

1 files changed, 2 insertions, 3 deletions

diff --git a/coreutils/watch.c b/coreutils/watch.c
index 8a6a019bc..31fadfb85 100644
--- a/coreutils/watch.c
+++ b/coreutils/watch.c
@@ -82,7 +82,7 @@ extern int watch_main(int argc, char **argv)
         header[len] = 0;
 
         /* thanks to lye, who showed me how to redirect stdin/stdout */
-        old_stdout = dup(1);
+        old_stdout = dup(STDOUT_FILENO);
 
         while (1) {
                 time(&t);
@@ -98,8 +98,7 @@ extern int watch_main(int argc, char **argv)
                         sleep(period);
                 } else if (0 == pid) {
                         //child
-                        close(1);
-                        dup(old_stdout);
+                        dup2(old_stdout, STDOUT_FILENO);
                         execvp(*watched_argv, watched_argv);
                         bb_perror_msg_and_die(*watched_argv);
                 } else {