1 files changed, 20 insertions, 0 deletions
diff --git a/libc/stdio/__fwritable.c b/libc/stdio/__fwritable.c
new file mode 100644
index 000000000..59c70a648
--- /dev/null
+++ b/libc/stdio/__fwritable.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 2004       Manuel Novoa III    <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#include "_stdio.h"
+#include <stdio_ext.h>
+
+/* Solaris function --
+ * Return nonzero if writable, and 0 if read-only.
+ */
+
+int __fwritable(FILE * __restrict stream)
+{
+	__STDIO_STREAM_VALIDATE(stream);
+
+	return !__STDIO_STREAM_IS_READONLY(stream);
+}