1 files changed, 59 insertions, 0 deletions
diff --git a/newlib/libc/sys/rdos/open.c b/newlib/libc/sys/rdos/open.c
new file mode 100755
index 000000000..e98910648
--- /dev/null
+++ b/newlib/libc/sys/rdos/open.c
@@ -0,0 +1,59 @@
+/*#######################################################################
+# RDOS operating system
+# Copyright (C) 1988-2006, Leif Ekblad
+#
+# This library is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# This library 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
+#
+# The author of this program may be contacted at leif@rdos.net
+#
+# open.c                                                                
+# open function implementation
+#
+##########################################################################*/
+
+#include "config.h"
+#include <_ansi.h>
+#include <_syslist.h>
+#include <fcntl.h>
+#include <errno.h>
+#include "rdos.h"
+#include <stdarg.h>
+
+int open(const char *file, int flags, ...)
+{
+	int handle;
+	int pos;
+
+	if (flags & O_CREAT)
+		handle = RdosCreateFile(file, flags);
+	else
+		handle = RdosOpenFile(file, flags);
+
+	if (handle >= 0)
+	{
+		if (flags & O_APPEND)
+		{
+			pos = RdosGetFileSize(handle);
+			RdosSetFilePos(handle, pos);
+		}
+
+		if (flags & O_TRUNC)
+			RdosSetFileSize(handle, 0);
+	
+		return handle;
+	}
+	else
+		return -1;
+}