X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fbinary-io.h;h=c09dbf5799778f8e81fb84241c79f45403e348cc;hb=599a664564268f6a1b5895c928a59459c9851b2a;hp=9bfddf19b9223a292c2fe45a1d90289852f2b96f;hpb=8b61f0d60a6958a34fa727f97ae70b13fb758d61;p=gnulib.git

diff --git a/lib/binary-io.h b/lib/binary-io.h
index 9bfddf19b..c09dbf579 100644
--- a/lib/binary-io.h
+++ b/lib/binary-io.h
@@ -1,5 +1,5 @@
 /* Binary mode I/O.
-   Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2005, 2008-2011 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
@@ -18,23 +18,15 @@
 #define _BINARY_H
 
 /* For systems that distinguish between text and binary I/O.
-   O_BINARY is usually declared in <fcntl.h>. */
+   O_BINARY is guaranteed by the gnulib <fcntl.h>. */
 #include <fcntl.h>
 
 /* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...',
    so we include it here first.  */
 #include <stdio.h>
 
-#if !defined O_BINARY && defined _O_BINARY
-  /* For MSC-compatible compilers.  */
-# define O_BINARY _O_BINARY
-# define O_TEXT _O_TEXT
-#endif
-#ifdef __BEOS__
-  /* BeOS 5 has O_BINARY and O_TEXT, but they have no effect.  */
-# undef O_BINARY
-# undef O_TEXT
-#endif
+/* SET_BINARY (fd);
+   changes the file descriptor fd to perform binary I/O.  */
 #if O_BINARY
 # if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
 #  include <io.h> /* declares setmode() */
@@ -45,18 +37,16 @@
 # endif
 # ifdef __DJGPP__
 #  include <unistd.h> /* declares isatty() */
-#  /* Avoid putting stdin/stdout in binary mode if it is connected to the
-#     console, because that would make it impossible for the user to
-#     interrupt the program through Ctrl-C or Ctrl-Break.  */
-#  define SET_BINARY(fd) (!isatty (fd) ? (setmode (fd, O_BINARY), 0) : 0)
+   /* Avoid putting stdin/stdout in binary mode if it is connected to
+      the console, because that would make it impossible for the user
+      to interrupt the program through Ctrl-C or Ctrl-Break.  */
+#  define SET_BINARY(fd) ((void) (!isatty (fd) ? (setmode (fd, O_BINARY), 0) : 0))
 # else
-#  define SET_BINARY(fd) setmode (fd, O_BINARY)
+#  define SET_BINARY(fd) ((void) setmode (fd, O_BINARY))
 # endif
 #else
   /* On reasonable systems, binary I/O is the default.  */
-# undef O_BINARY
-# define O_BINARY 0
-# define SET_BINARY(fd) /* nothing */
+# define SET_BINARY(fd) /* do nothing */ ((void) 0)
 #endif
 
 #endif /* _BINARY_H */