1 files changed, 65 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/ptsname.c b/sysdeps/mach/hurd/ptsname.c
new file mode 100644
index 0000000000..95b91cf07e
--- /dev/null
+++ b/sysdeps/mach/hurd/ptsname.c
@@ -0,0 +1,65 @@
+/* ptsname -- return the name of a pty slave given an FD to the pty master
+   Copyright (C) 1999 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 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 <errno.h>
+#include <string.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/term.h>
+
+
+/* Return the pathname of the pseudo terminal slave associated with
+   the master FD is open on, or NULL on errors.
+   The returned storage is good until the next call to this function.  */
+char *
+ptsname (int fd)
+{
+  static char peername[1024];  /* XXX */
+  error_t err;
+
+  err = __ptsname_r (fd, peername, sizeof (peername));
+  if (err)
+    __set_errno (err);
+
+  return err ? NULL : peername;
+}
+
+
+/* Store at most BUFLEN characters of the pathname of the slave pseudo
+   terminal associated with the master FD is open on in BUF.
+   Return 0 on success, otherwise an error number.  */
+int
+__ptsname_r (int fd, char *buf, size_t buflen)
+{
+  char peername[1024];  /* XXX */
+  size_t len;
+  error_t err;
+
+  peername[0] = '\0';
+  if (err = HURD_DPORT_USE (fd, __term_get_peername (port, peername)))
+    return _hurd_fd_error (fd, err);
+
+  len = strlen (peername) + 1;
+  if (len > buflen)
+    return ERANGE;
+
+  memcpy (buf, peername, len);
+  return 0;
+}
+weak_alias (__ptsname_r, ptsname_r)