1 files changed, 56 insertions, 0 deletions
diff --git a/login/forkpty.c b/login/forkpty.c
new file mode 100644
index 0000000000..e0e3cce9f9
--- /dev/null
+++ b/login/forkpty.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <sys/types.h>
+#include <termios.h>
+#include <unistd.h>
+#include <utmp.h>
+#include <pty.h>
+
+int
+forkpty (amaster, name, termp, winp)
+     int *amaster;
+     char *name;
+     struct termios *termp;
+     struct winsize *winp;
+{
+  int master, slave, pid;
+
+  if (openpty (&master, &slave, name, termp, winp) == -1)
+    return -1;
+
+  switch (pid = fork ())
+    {
+    case -1:
+      return -1;
+    case 0:
+      /* Child.  */
+      close (master);
+      if (login_tty (slave))
+	_exit (1);
+
+      return 0;
+    default:
+      /* Parent.  */
+      *amaster = master;
+      close (slave);
+
+      return pid;
+    }
+}