From d4499cba41d3390131bf1c9252f104859f337496 Mon Sep 17 00:00:00 2001
From: Christian Prochaska <christian.prochaska@genode-labs.com>
Date: Wed, 26 Sep 2012 13:47:46 +0200
Subject: [PATCH] libc_noux: return the new file descriptor in 'dup2()'

Fixes #369.
---
 ports/src/lib/libc_noux/plugin.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ports/src/lib/libc_noux/plugin.cc b/ports/src/lib/libc_noux/plugin.cc
index 033228cba0..722f894d64 100644
--- a/ports/src/lib/libc_noux/plugin.cc
+++ b/ports/src/lib/libc_noux/plugin.cc
@@ -972,7 +972,7 @@ namespace {
 			return -1;
 		}
 
-		return 0;
+		return noux_fd(new_fd->context);
 	}
 
 
@@ -1034,7 +1034,7 @@ namespace {
 				 * Use new allocated number as name of file descriptor
 				 * duplicate.
 				 */
-				if (dup2(fd, new_fd)) {
+				if (dup2(fd, new_fd) == -1) {
 					PERR("Plugin::fcntl: dup2 unexpectedly failed");
 					errno = EINVAL;
 					return -1;