Make multiple sendfile variants, and teach xpopen_both() to use existing

stdin/stdout filehandles.

1 files changed, 2 insertions, 2 deletions

diff --git a/toys/other/watch.c b/toys/other/watch.c
index 0a21cccc..fa5e71c5 100644
--- a/toys/other/watch.c
+++ b/toys/other/watch.c
@@ -125,8 +125,8 @@ void watch_main(void)
       if (fds[1]>0) close(fds[1]);
 
       // Spawn child process
-      memset(fds, 0, sizeof(fds));
-      TT.pid = xpopen_both((toys.optflags&FLAG_x) ? toys.optargs : cmdv, fds);
+      fds[0] = fds[1] = -1;
+      TT.pid = xpopen_both(FLAG(x) ? toys.optargs : cmdv, fds);
       pfd[1].fd = fds[1];
       active = 1;
     }