2 files changed, 47 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/lib/freadable.c b/gnulib/lib/freadable.c
new file mode 100644
index 0000000..243914f
--- /dev/null
+++ b/gnulib/lib/freadable.c
@@ -0,0 +1,47 @@
+/* Retrieve information about a FILE stream.
+   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
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* 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_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+  return (fp->_flags & _IO_NO_READS) == 0;
+#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 __minix               /* Minix */
+  return (fp->_flags & _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
+}