From 9ee16ea89783ee906ff5b49f6930ff36e167030f Mon Sep 17 00:00:00 2001
From: "Kim F. Storm" <storm@cua.dk>
Date: Tue, 11 Jul 2006 22:54:28 +0000
Subject: [PATCH] (sit_for): Signal error if TIMEOUT is not a number in case
 arg comes directly from a Lisp variable.

---
 src/dispnew.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/dispnew.c b/src/dispnew.c
index 3519e2d64fe..018717e591f 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -6519,17 +6519,21 @@ sit_for (timeout, reading, do_display)
   if (do_display >= 2)
     redisplay_preserve_echo_area (2);
 
-  if (FLOATP (timeout))
+  if (INTEGERP (timeout))
     {
-      double seconds = XFLOAT_DATA (timeout);
+      sec = XFASTINT (timeout);
+      usec = 0;
+    }
+  else if (FLOATP (timeout))
+    {
+      double seconds;
+
+      seconds = XFLOAT_DATA (timeout);
       sec = (int) seconds;
       usec = (int) ((seconds - sec) * 1000000);
     }
   else
-    {
-      sec = XFASTINT (timeout);
-      usec = 0;
-    }
+    wrong_type_argument (Qnumberp, timeout);
 
   if (sec == 0 && usec == 0)
     return Qt;
-- 
2.30.2