strtok_r: Avoid triggering bug in AIX 7.1 xlc compiler.

[gnulib.git] / lib / binary-io.h

diff --git a/lib/binary-io.h b/lib/binary-io.h
index d9892d3..5451fd4 100644 (file)
--- a/lib/binary-io.h
+++ b/lib/binary-io.h
@@ -1,10 +1,11 @@
 /* Binary mode I/O.
-   Copyright (C) 2001, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2005, 2008, 2009, 2010 Free Software Foundation,
+   Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   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 2, or (at your option)
-   any later version.
+   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
@@ -12,8 +13,7 @@
    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, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef _BINARY_H
 #define _BINARY_H
@@ -31,33 +31,36 @@
 # 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.  */
+#if defined __BEOS__ || defined __HAIKU__
+  /* BeOS 5 and Haiku have 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__)
+# if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
+#  include <io.h> /* declares setmode() */
+# else
 #  define setmode _setmode
+#  undef fileno
 #  define fileno _fileno
 # endif
-# if defined __DJGPP__ || defined __CYGWIN__
-#  include <io.h> /* declares setmode() */
-# 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 */