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. */
24 # include <stdio_ext.h>
30 /* Most systems provide FILE as a struct and the necessary bitmask in
31 <stdio.h>, because they need it for implementing getc() and putc() as
33 #if defined _IO_ferror_unlocked /* GNU libc, BeOS */
34 # if HAVE___FLBF /* glibc >= 2.2 */
38 if (fp->_flags & _IO_LINE_BUF)
41 if (fp->_flags & _IO_UNBUFFERED)
44 #elif defined __sferror /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */
45 if (fp->_flags & __SLBF)
47 if (fp->_flags & __SNBF)
50 #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, mingw */
51 # if HAVE___FLBF /* Solaris >= 7 */
55 if (fp->_flag & _IOLBF)
58 if (fp->_flag & _IONBF)
62 #error "Please port gnulib fbufmode.c to your platform! Look at the setvbuf implementation."