1 files changed, 15 insertions, 0 deletions
diff --git a/os/src/open.c b/os/src/open.c
new file mode 100644
index 0000000..7a2c147
--- /dev/null
+++ b/os/src/open.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <reent.h>
+#include <errno.h>
+#include "fio.h"
+#include "filesystem.h"
+
+int _open_r(struct _reent * reent, const char * path, int flags, int mode) {
+    int r = fs_open(path, flags, mode);
+    
+    if (r >= 0)
+        return r;
+    
+    reent->_errno = EACCES;
+    return -1;
+}