From c13d50f8675e7a82a2b199ffb3266fbd93917faa Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Sat, 2 Nov 2019 18:54:16 +0100
Subject: [PATCH] mescc: Mes C Library: Prepare for M2-Planet: dup2.

* lib/linux/dup2.c (dup2): Prepare for M2-Planet.
---
 lib/linux/dup2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/linux/dup2.c b/lib/linux/dup2.c
index f61344f5..ef996273 100644
--- a/lib/linux/dup2.c
+++ b/lib/linux/dup2.c
@@ -24,5 +24,7 @@
 int
 dup2 (int old, int new)
 {
-  return _sys_call2 (SYS_dup2, (int) old, (int) new);
+  long long_old = old;
+  long long_new = new;
+  return _sys_call2 (SYS_dup2, long_old, long_new);
 }