1 /* Copyright (C) 2004       Manuel Novoa III    <mjn3@codepoet.org>
2  *
3  * GNU Library General Public License (LGPL) version 2 or later.
4  *
5  * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
6  */
7 
8 #include "_stdio.h"
9 #include <stdio_ext.h>
10 
11 /* Solaris function --
12  * Discard all buffered data whether reading or writing.
13  */
14 
__fpurge(register FILE * __restrict stream)15 void __fpurge(register FILE * __restrict stream)
16 {
17 	__STDIO_STREAM_VALIDATE(stream);
18 
19 	__STDIO_STREAM_DISABLE_GETC(stream);
20 	__STDIO_STREAM_DISABLE_PUTC(stream);
21 	__STDIO_STREAM_INIT_BUFREAD_BUFPOS(stream);
22 	stream->__ungot[1] = 0;
23 
24 #ifdef __STDIO_MBSTATE
25 	__INIT_MBSTATE(&(stream->__state));
26 #endif
27 #ifdef __UCLIBC_HAS_WCHAR__
28 	stream->__ungot_width[0] = 0;
29 #endif
30 
31 	stream->__modeflags &= ~(__MASK_READING|__FLAG_WRITING);
32 
33 	__STDIO_STREAM_VALIDATE(stream);
34 }
35