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-rw-r--r--libio/fileno.c49
1 files changed, 26 insertions, 23 deletions
diff --git a/libio/fileno.c b/libio/fileno.c
index 269ecb8..7ff93e6 100644
--- a/libio/fileno.c
+++ b/libio/fileno.c
@@ -1,26 +1,27 @@
-/*
-Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
-
-This file is part of the GNU IO Library. This library 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.
-
-This library 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 library; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-As a special exception, if you link this library with files
-compiled with a GNU compiler to produce an executable, this does not cause
-the resulting executable to be covered by the GNU General Public License.
-This exception does not however invalidate any other reasons why
-the executable file might be covered by the GNU General Public License. */
+/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU IO Library.
+
+ This library 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.
+
+ This library 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 library; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, if you link this library with files
+ compiled with a GNU compiler to produce an executable, this does
+ not cause the resulting executable to be covered by the GNU General
+ Public License. This exception does not however invalidate any
+ other reasons why the executable file might be covered by the GNU
+ General Public License. */
#include "libioP.h"
#include "stdio.h"
@@ -38,9 +39,11 @@ fileno (fp)
}
#ifdef _IO_MTSAFE_IO
+#ifdef weak_alias
/* The fileno implementation for libio does not require locking because
it only accesses once a single variable and this is already atomic
(at least at thread level). */
weak_alias (fileno, fileno_unlocked)
#endif
+#endif