multiChoice: use stdout.Fd instead of hardcoded zero

abiosoft · Feb 13, 2018 · 2e3dd5c · 2e3dd5c
1 parent 17f86db
commit 2e3dd5c
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/ishell.go b/ishell.go
@@ -478,7 +478,8 @@ func (s *Shell) multiChoice(options []string, text string, init []int, multiResu
 		return nil
 	}
 
-	_, maxRows, err := readline.GetSize(0)
+	stdoutFd := os.Stdout.Fd()
+	_, maxRows, err := readline.GetSize(stdoutFd)
 	if err != nil {
 		return nil
 	}
@@ -559,7 +560,7 @@ func (s *Shell) multiChoice(options []string, text string, init []int, multiResu
 			case <-refresh:
 				update()
 			case <-t.C:
-				_, rows, _ := readline.GetSize(0)
+				_, rows, _ := readline.GetSize(stdoutFd)
 				if maxRows != rows {
 					maxRows = rows
 					update()