1 files changed, 58 insertions, 0 deletions
diff --git a/src/tests/fdhack.hpp b/src/tests/fdhack.hpp
new file mode 100644
index 0000000..c75bfea
--- /dev/null
+++ b/src/tests/fdhack.hpp
@@ -0,0 +1,58 @@
+#pragma once
+//    fdhack.hpp - Move file descriptors around.
+//
+//    Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "fwd.hpp"
+
+#include <cstddef>
+#include <fcntl.h>
+
+#include <stdexcept>
+
+#include "../strings/literal.hpp"
+#include "../strings/zstring.hpp"
+
+#include "../io/fd.hpp"
+
+namespace tmwa
+{
+class ReplaceFd
+{
+    io::FD number, backup;
+public:
+    ReplaceFd(io::FD num, io::FD handle, bool owned)
+    : number(handle.dup2(num)), backup(num.dup())
+    {
+        if (owned)
+            handle.close();
+    }
+    ~ReplaceFd()
+    {
+        backup.dup2(number);
+        backup.close();
+    }
+};
+class QuietFd : ReplaceFd
+{
+public:
+    QuietFd(io::FD num=io::FD::stderr())
+    : ReplaceFd(num, io::FD::open("/dev/null"_s, O_RDONLY), true)
+    {}
+};
+} // namespace tmwa