input/file, output/{fifo,recorder}: add O_BINARY to open() flags

Windows compatibility.

src/open.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/** \file
+ *
+ * Portability macros for opening files.
+ */
+
+#ifndef MPD_OPEN_H
+#define MPD_OPEN_H
+
+#include <fcntl.h>
+
+/* On Windows, files are opened in "text" mode by default, and the C
+   library will mangle data being read/written; this must be switched
+   off by specifying the proprietary "O_BINARY" flag.  That sucks! */
+#ifndef O_BINARY
+#ifdef _O_BINARY
+#define O_BINARY _O_BINARY
+#else
+#define O_BINARY 0
+#endif
+#endif
+
+#endif