1 files changed, 60 insertions, 0 deletions
diff --git a/hurd/vpprintf.c b/hurd/vpprintf.c
new file mode 100644
index 0000000000..dcdcd5a13d
--- /dev/null
+++ b/hurd/vpprintf.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1991, 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <hurd.h>
+
+static ssize_t
+DEFUN(pwrite, (cookie, buf, n),
+      PTR cookie AND CONST char *buf AND size_t n)
+{
+  error_t error = __io_write ((io_t) cookie, buf, n, -1,
+			      (mach_msg_type_number_t *) &n);
+  if (error)
+    return __hurd_fail (error);
+  return n;
+}
+
+
+/* Write formatted output to PORT, a Mach port supporting the i/o protocol,
+   according to the format string FORMAT, using the argument list in ARG.  */
+int
+DEFUN(vpprintf, (port, format, arg),
+      io_t port AND CONST char *format AND va_list arg)
+{
+  int done;
+  FILE f;
+
+  /* Create an unbuffered stream talking to PORT on the stack.  */
+  memset((PTR) &f, 0, sizeof(f));
+  f.__magic = _IOMAGIC;
+  f.__mode.__write = 1;
+  f.__cookie = (PTR) port;
+  f.__room_funcs = __default_room_functions;
+  f.__io_funcs.__write = pwrite;
+  f.__seen = 1;
+  f.__userbuf = 1;
+
+  /* vfprintf will use a buffer on the stack for the life of the call.  */
+  done = vfprintf(&f, format, arg);
+
+  return done;
+}