1 /* Flushing buffers of 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. */
26 /* Most systems provide FILE as a struct and the necessary bitmask in
27 <stdio.h>, because they need it for implementing getc() and putc() as
29 #if defined _IO_ferror_unlocked /* GNU libc, BeOS */
30 fp->_IO_read_end = fp->_IO_read_ptr;
31 fp->_IO_write_ptr = fp->_IO_write_base;
33 #elif defined __sferror /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */
34 fp->_p = fp->_bf._base;
36 fp->_w = ((fp->_flags & (__SLBF | __SNBF) == 0) /* fully buffered? */
39 #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, mingw */
45 #error "Please port gnulib fpurge.c to your platform!"