X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffwriting.c;h=9b1dc14f90e080c108ad3b98b43f647ae96f0a5f;hb=395f9e6a19b504609aa8b0bd7f8cc55d4547d8dd;hp=3ae6d569a2b1bcc2e8b45a898d23e9d5309e3089;hpb=619d36efc00c74bdea3331ca5e57570dc469fe4c;p=gnulib.git

diff --git a/lib/fwriting.c b/lib/fwriting.c
index 3ae6d569a..9b1dc14f9 100644
--- a/lib/fwriting.c
+++ b/lib/fwriting.c
@@ -1,5 +1,5 @@
 /* Retrieve information about a FILE stream.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 Free Software Foundation, Inc.
 
    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
@@ -19,24 +19,40 @@
 /* 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 __minix               /* Minix */
+  return (fp->_flags & _IOWRITING) != 0;
+#elif defined _IOERR                /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, NonStop Kernel */
   return (fp->_flag & _IOWRT) != 0;
 #elif defined __UCLIBC__            /* uClibc */
   return (fp->__modeflags & __FLAG_WRITING) != 0;
 #elif defined __QNX__               /* QNX */
   return ((fp->_Mode & 0x1 /* _MOPENR */) == 0
-	  || (fp->_Mode & 0x2000 /* _MWRITE */) != 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!"
+# error "Please port gnulib fwriting.c to your platform!"
 #endif
 }