summaryrefslogtreecommitdiff
path: root/libc/libio/iofflush.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/libio/iofflush.c')
-rw-r--r--libc/libio/iofflush.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/libc/libio/iofflush.c b/libc/libio/iofflush.c
new file mode 100644
index 000000000..d2d57f57e
--- /dev/null
+++ b/libc/libio/iofflush.c
@@ -0,0 +1,57 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 2002, 2003
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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.
+
+ 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 Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA.
+
+ 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"
+#include <stdio.h>
+
+int
+_IO_fflush (fp)
+ _IO_FILE *fp;
+{
+ if (fp == NULL)
+ return INTUSE(_IO_flush_all) ();
+ else
+ {
+ int result;
+ CHECK_FILE (fp, EOF);
+ _IO_acquire_lock (fp);
+ result = _IO_SYNC (fp) ? EOF : 0;
+ _IO_release_lock (fp);
+ return result;
+ }
+}
+INTDEF(_IO_fflush)
+
+#ifdef weak_alias
+weak_alias (_IO_fflush, fflush)
+
+#ifndef _IO_MTSAFE_IO
+weak_alias (_IO_fflush, fflush_unlocked)
+libc_hidden_weak (fflush_unlocked)
+#endif
+#endif