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authorUlrich Drepper <drepper@redhat.com>2000-07-21 06:15:13 +0000
committerUlrich Drepper <drepper@redhat.com>2000-07-21 06:15:13 +0000
commitd052b31b79a3681db7de04177a55b04354320a61 (patch)
tree460566c2ae448a77eb915bf00e448c20dc1260d7 /libio/fwide.c
parent266bb989e0a4b40e369eff177a59754655059fd8 (diff)
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Update.
* libio/Makefile (routines): Add fwide. * libio/iofwide.c (_IO_fwide): Remove locking. This is done in fwide now. Internal calls to _IO_fwide must do locking themselves or don't need locking. * libio/fwide.c: New file. * elf/dl-load.c (_dl_map_object): Implement handling of DF_1_NODEFLIB.
Diffstat (limited to 'libio/fwide.c')
-rw-r--r--libio/fwide.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/libio/fwide.c b/libio/fwide.c
new file mode 100644
index 0000000..a4d0e47
--- /dev/null
+++ b/libio/fwide.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1999, 2000 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>
+
+int
+fwide (fp, mode)
+ _IO_FILE *fp;
+ int mode;
+{
+ int result;
+
+ /* Normalize the value. */
+ mode = mode < 0 ? -1 : (mode == 0 ? 0 : 1);
+
+ if (mode == 0 || fp->_mode != 0)
+ /* The caller simply wants to know about the current orientation
+ or the orientation already has been determined. */
+ return fp->_mode;
+
+ _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
+ _IO_flockfile (fp);
+
+ result = _IO_fwide (fp, mode);
+
+ _IO_funlockfile (fp);
+ _IO_cleanup_region_end (0);
+
+ return result;
+}