Update from Gnulib

This incorporates:
2019-06-04 copy-file-range: new module
2019-05-28 binaty-io: O_BINARY on consoles no longer fails
* doc/misc/texinfo.tex, lib/binary-io.c, lib/binary-io.h:
* lib/unistd.in.h, m4/unistd_h.m4: Copy from Gnulib.
* lib/gnulib.mk.in: Regenerate.

1 files changed, 5 insertions, 9 deletions

diff --git a/lib/binary-io.h b/lib/binary-io.h
index 720b08c7551..8d4133b0f38 100644
--- a/lib/binary-io.h
+++ b/lib/binary-io.h
@@ -53,25 +53,21 @@ __gl_setmode (int fd _GL_UNUSED, int mode _GL_UNUSED)
 }
 #endif
 
-#if defined __DJGPP__ || defined __EMX__
-extern int __gl_setmode_check (int);
-#else
-BINARY_IO_INLINE int
-__gl_setmode_check (int fd _GL_UNUSED) { return 0; }
-#endif
-
 /* Set FD's mode to MODE, which should be either O_TEXT or O_BINARY.
    Return the old mode if successful, -1 (setting errno) on failure.
    Ordinarily this function would be called 'setmode', since that is
    its name on MS-Windows, but it is called 'set_binary_mode' here
    to avoid colliding with a BSD function of another name.  */
 
+#if defined __DJGPP__ || defined __EMX__
+extern int set_binary_mode (int fd, int mode);
+#else
 BINARY_IO_INLINE int
 set_binary_mode (int fd, int mode)
 {
-  int r = __gl_setmode_check (fd);
-  return r != 0 ? r : __gl_setmode (fd, mode);
+  return __gl_setmode (fd, mode);
 }
+#endif
 
 /* This macro is obsolescent.  */
 #define SET_BINARY(fd) ((void) set_binary_mode (fd, O_BINARY))