1 files changed, 35 insertions, 0 deletions
diff --git a/libc/stdio/__fpending.c b/libc/stdio/__fpending.c
new file mode 100644
index 000000000..a7fe05463
--- /dev/null
+++ b/libc/stdio/__fpending.c
@@ -0,0 +1,35 @@
+/* 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 --
+ * Returns the number of bytes in the buffer for a writing stream.
+ *
+ * NOTE: GLIBC DIFFERENCE!!!
+ *
+ * glibc will return the number of wide chars pending for wide oriented
+ * streams.  We always return the number of bytes in the buffer, as we
+ * convert wide chars to their multibyte encodings and buffer _those_.
+ */
+
+#ifdef __UCLIBC_HAS_WCHAR__
+#warning Note: Unlike the glibc version, this __fpending returns bytes in buffer for wide streams too!
+
+link_warning(__fpending, "This version of __fpending returns bytes remaining in buffer for both narrow and wide streams.  glibc's version returns wide chars in buffer for the wide stream case.")
+
+#endif
+
+size_t __fpending(register FILE * __restrict stream)
+{
+	__STDIO_STREAM_VALIDATE(stream);
+
+	return (__STDIO_STREAM_IS_WRITING(stream))
+		? __STDIO_STREAM_BUFFER_WUSED(stream)
+		: 0;
+}