X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffreadable.c;h=e1420f07bfae1c0ccc61ed4a8e3fc3b99edaef35;hb=b4c2b236d0007a7f9226e6ccef82e9e37bdb2b3a;hp=e49c950ffd4a83b2f97c10c05e50a0b43fa1ae24;hpb=619d36efc00c74bdea3331ca5e57570dc469fe4c;p=gnulib.git

diff --git a/lib/freadable.c b/lib/freadable.c
index e49c950ff..e1420f07b 100644
--- a/lib/freadable.c
+++ b/lib/freadable.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
@@ -19,20 +19,26 @@
 /* Specification.  */
 #include "freadable.h"
 
+#include "stdio-impl.h"
+
 bool
 freadable (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) == 0;
-#elif defined __sferror             /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */
-  return (fp->_flags & (__SRW | __SRD)) != 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 & (__SRW | __SRD)) != 0;
+#elif defined __EMX__               /* emx+gcc */
+  return (fp->_flags & (_IORW | _IOREAD)) != 0;
+#elif defined _IOERR                /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, NonStop Kernel */
   return (fp->_flag & (_IORW | _IOREAD)) != 0;
 #elif defined __QNX__               /* QNX */
   return (fp->_Mode & 0x1 /* _MOPENR */) != 0;
+#elif defined __MINT__              /* Atari FreeMiNT */
+  return fp->__mode.__read;
 #else
  #error "Please port gnulib freadable.c to your platform! Look at the definition of fopen, fdopen on your system, then report this to bug-gnulib."
 #endif