From cec0300747391fadd836334d6f8c81ff83821ce8 Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Sun, 25 Nov 2012 11:18:13 -0500
Subject: Carpet: Check return value of dup()

---
 Carpet/Carpet/src/TimerSet.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'Carpet')

diff --git a/Carpet/Carpet/src/TimerSet.cc b/Carpet/Carpet/src/TimerSet.cc
index 0420a8262..ca9dc8077 100644
--- a/Carpet/Carpet/src/TimerSet.cc
+++ b/Carpet/Carpet/src/TimerSet.cc
@@ -124,7 +124,8 @@ namespace Carpet {
       return -1;
     }
     close (1);
-    dup (fdfile);               // dup to 1, i.e., stdout again
+    int const fd = dup (fdfile); // dup to 1, i.e., stdout again
+    assert (fd == 1);
     close (fdfile);
     return oldfd;
 #endif
@@ -139,7 +140,8 @@ namespace Carpet {
 #ifdef HAVE_UNISTD_H
     fflush (stdout);
     close (1);
-    dup (oldfd);
+    int const fd = dup (oldfd);
+    assert (fd == 1);
     close (oldfd);
 #endif
   }
-- 
cgit v1.2.3