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/* 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;
}
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