From dfd1934d5e1ddbeb326f77fc0e52307c801a1a3e Mon Sep 17 00:00:00 2001
From: "Charles.Forsyth" <devnull@localhost>
Date: Wed, 25 Mar 2009 15:55:14 +0000
Subject: x20090325-1554

---
 emu/port/file.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 emu/port/file.c

(limited to 'emu/port/file.c')

diff --git a/emu/port/file.c b/emu/port/file.c
new file mode 100644
index 00000000..91000ebb
--- /dev/null
+++ b/emu/port/file.c
@@ -0,0 +1,16 @@
+#include	"dat.h"
+#include	"fns.h"
+#include	"error.h"
+
+int
+openmode(ulong o)
+{
+	if(o >= (OTRUNC|OCEXEC|ORCLOSE|OEXEC))
+		error(Ebadarg);
+	o &= ~(OTRUNC|OCEXEC|ORCLOSE);
+	if(o > OEXEC)
+		error(Ebadarg);
+	if(o == OEXEC)
+		return OREAD;
+	return o;
+}
-- 
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