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[thirdparty/glibc.git] / libio / iosetbuffer.c

diff --git a/libio/iosetbuffer.c b/libio/iosetbuffer.c
index d3fc7e5917ff30601fd814b93f5a05c3c8f6b15f..ac51d0046d4c48b3197a135b897b6cde9c2be456 100644 (file)
--- a/libio/iosetbuffer.c
+++ b/libio/iosetbuffer.c
@@ -1,26 +1,29 @@
-/*
-Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-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.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, 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.
+   The GNU C 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
+   Lesser 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.
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.
 
-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. */
+   As a special exception, if you link the code in this file with
+   files compiled with a GNU compiler to produce an executable,
+   that does not cause the resulting executable to be covered by
+   the GNU Lesser General Public License.  This exception does not
+   however invalidate any other reasons why the executable file
+   might be covered by the GNU Lesser General Public License.
+   This exception applies to code released by its copyright holders
+   in files containing the exception.  */
 
 #include "libioP.h"
 
@@ -31,12 +34,18 @@ _IO_setbuffer (fp, buf, size)
      _IO_size_t size;
 {
   CHECK_FILE (fp, );
-  _IO_flockfile (fp);
+  _IO_acquire_lock (fp);
   fp->_flags &= ~_IO_LINE_BUF;
   if (!buf)
     size = 0;
   (void) _IO_SETBUF (fp, buf, size);
-  _IO_funlockfile (fp);
+  if (_IO_vtable_offset (fp) == 0 && fp->_mode == 0 && _IO_CHECK_WIDE (fp))
+    /* We also have to set the buffer using the wide char function.  */
+    (void) _IO_WSETBUF (fp, buf, size);
+  _IO_release_lock (fp);
 }
+INTDEF(_IO_setbuffer)
 
+#ifdef weak_alias
 weak_alias (_IO_setbuffer, setbuffer)
+#endif