X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffwriting.c;h=12cd25e23d88135f227ab69d2d86fe3fe0bef7f0;hb=217ec874c8e4610ce407f0204c4e3fe30b7c76ec;hp=8b9fe1a0e291c1af8117b15c71abbf88c56b4630;hpb=e0cbd8d3ad576fda177792c4c3ad75a3823f61ee;p=gnulib.git

diff --git a/lib/fwriting.c b/lib/fwriting.c
index 8b9fe1a0e..12cd25e23 100644
--- a/lib/fwriting.c
+++ b/lib/fwriting.c
@@ -1,42 +1,55 @@
 /* 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 <config.h>
 
 /* Specification.  */
 #include "fwriting.h"
 
+#include "stdio-impl.h"
+
 bool
 fwriting (FILE *fp)
 {
   /* Most systems provide FILE as a struct and the necessary bitmask in
      <stdio.h>, because they need it for implementing getc() and putc() as
      fast macros.  */
-#if defined _IO_ferror_unlocked     /* GNU libc, BeOS */
+#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
   return (fp->_flags & (_IO_NO_READS | _IO_CURRENTLY_PUTTING)) != 0;
-#elif defined __sferror             /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */
-  return (fp->_flags & __SWR) != 0;
-#elif defined _IOERR                /* AIX, HP-UX, IRIX, OSF/1, Solaris, mingw */
+#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+  return (fp_->_flags & __SWR) != 0;
+#elif defined __EMX__               /* emx+gcc */
+  return (fp->_flags & _IOWRT) != 0;
+#elif defined _IOERR                /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
   return (fp->_flag & _IOWRT) != 0;
 #elif defined __UCLIBC__            /* uClibc */
   return (fp->__modeflags & __FLAG_WRITING) != 0;
 #elif defined __QNX__               /* QNX */
-  return ((fp->_Mode & _MOPENR) == 0
-	  || (fp->_Mode & _MWRITE) != 0);
+  return ((fp->_Mode & 0x1 /* _MOPENR */) == 0
+          || (fp->_Mode & 0x2000 /* _MWRITE */) != 0);
+#elif defined __MINT__              /* Atari FreeMiNT */
+  if (!fp->__mode.__read)
+    return 1;
+  if (!fp->__mode.__write)
+    return 0;
+# ifdef _IO_CURRENTLY_PUTTING /* Flag added on 2009-02-28 */
+  return (fp->__flags & _IO_CURRENTLY_PUTTING) != 0;
+# else
+  return (fp->__buffer < fp->__put_limit /*|| fp->__bufp == fp->__get_limit ??*/);
+# endif
 #else
  #error "Please port gnulib fwriting.c to your platform!"
 #endif