Add argument to xflush() so it can test for stdout err without flushing.

2 files changed, 2 insertions, 3 deletions

diff --git a/toys/pending/arping.c b/toys/pending/arping.c
index be43cab1..6007845b 100644
--- a/toys/pending/arping.c
+++ b/toys/pending/arping.c
@@ -166,7 +166,6 @@ static void recv_from(struct sockaddr_ll *from, int *recv_len)
       gettimeofday(&tval, NULL);
       delta = (tval.tv_sec * 1000000ULL + (tval.tv_usec)) - TT.sent_at;
       xprintf(" %u.%03ums\n", delta / 1000, delta % 1000);
-      xflush();
     }
   }
   TT.rcvd_nr++;
diff --git a/toys/pending/vi.c b/toys/pending/vi.c
index 31516b55..2beedf49 100644
--- a/toys/pending/vi.c
+++ b/toys/pending/vi.c
@@ -543,7 +543,7 @@ void vi_main(void)
   //we dont get scroll log full of junk
   tty_esc("?1049h");
   tty_esc("H");
-  xflush();
+  xflush(1);
   draw_page();
   while(1) {
     key = scan_key(keybuf, -1);
@@ -821,7 +821,7 @@ static void draw_page()
     tty_esc("0m");
   } else tty_jump(cx_scr, cy_scr);
 
-  xflush();
+  xflush(1);
 
 }