/* Retrieve information about a FILE stream.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2010 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdbool.h>
#include <stdio.h>
/* Return true if the stream STREAM is opened read-only, or if the
last operation on the stream was a read operation. Return false if
the stream is opened write-only or append-only, or if it supports
- writing and there is no current read operation (such as fputc).
+ writing and there is no current read operation (such as fgetc).
freading and fwriting will never both be true. If STREAM supports
- both reads and writes, then both freading and fwriting might be
- false when the stream is first opened, after repositioning (such as
- fseek, fsetpos, or rewind), after read encounters EOF, or after
- fflush, depending on the underlying implementation.
+ both reads and writes, then:
+ - both freading and fwriting might be false when the stream is first
+ opened, after read encounters EOF, or after fflush,
+ - freading might be false or true and fwriting might be false
+ after repositioning (such as fseek, fsetpos, or rewind),
+ depending on the underlying implementation.
STREAM must not be wide-character oriented. */
-#if HAVE___FREADING && !defined __GLIBC__ /* Solaris >= 7, not glibc >= 2.2 */
+#if HAVE___FREADING && (!defined __GLIBC__ || __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
+/* Solaris >= 7, not glibc >= 2.2, but glibc >= 2.7 */
# include <stdio_ext.h>
# define freading(stream) (__freading (stream) != 0)