[GNUnet-SVN] [gnunet] 22/28: check return value from dup2

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

commit fc9f21e1089d8b5fafe743b419979d2f1070debb
Author: Christian Grothoff <address@hidden>
AuthorDate: Fri Mar 10 18:11:52 2017 +0100

    check return value from dup2
---
 src/transport/gnunet-transport-certificate-creation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/transport/gnunet-transport-certificate-creation.c 
b/src/transport/gnunet-transport-certificate-creation.c
index 129df7b35..edaf4773a 100644
--- a/src/transport/gnunet-transport-certificate-creation.c
+++ b/src/transport/gnunet-transport-certificate-creation.c
@@ -44,7 +44,7 @@ make_dev_zero (int fd,
   GNUNET_assert (-1 != z);
   if (z == fd)
     return;
-  dup2 (z, fd);
+  GNUNET_break (fd == dup2 (z, fd));
   GNUNET_assert (0 == close (z));
 }
 #endif

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