1 /* Retrieve information about a FILE stream.
2 Copyright (C) 2007 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
21 /* Return true if the stream STREAM is opened write-only or append-only, or
22 if the last operation on the stream was a write operation. Return false
23 if the stream supports reading and the last operation on it was a read
24 operation or there was no such operation.
25 STREAM must not be wide-character oriented. */
27 #if HAVE___FWRITING /* glibc >= 2.2, Solaris >= 7 */
29 # include <stdio_ext.h>
30 # define fwriting(stream) (__fwriting (stream) != 0)
38 extern bool fwriting (FILE *stream);