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-rw-r--r--REORG.TODO/sysdeps/unix/bsd/tcflush.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/bsd/tcflush.c b/REORG.TODO/sysdeps/unix/bsd/tcflush.c
new file mode 100644
index 0000000000..4d1e933b56
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/bsd/tcflush.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991-2017 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <stddef.h>
+#include <termios.h>
+#include <unistd.h>
+#include "bsdtty.h"
+#include <sys/file.h>
+
+/* Flush pending data on FD.  */
+int
+tcflush (int fd, int queue_selector)
+{
+  int arg;
+
+  switch (queue_selector)
+    {
+    case TCIFLUSH:
+      arg = FREAD;
+      break;
+    case TCOFLUSH:
+      arg = FWRITE;
+      break;
+    case TCIOFLUSH:
+      arg = FREAD | FWRITE;
+      break;
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return __ioctl (fd, TIOCFLUSH, (void *) &arg);
+}