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-rw-r--r--stdio/vdprintf.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/stdio/vdprintf.c b/stdio/vdprintf.c
new file mode 100644
index 0000000000..9df4e537bc
--- /dev/null
+++ b/stdio/vdprintf.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1991, 1992, 1993 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 <errno.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* Write formatted output to file descriptor D according to the format string
+ FORMAT, using the argument list in ARG. */
+int
+DEFUN(vdprintf, (d, format, arg),
+ int d AND CONST char *format AND va_list arg)
+{
+ int done;
+ FILE f;
+
+ /* Create an unbuffered stream talking to D on the stack. */
+ memset ((PTR) &f, 0, sizeof(f));
+ f.__magic = _IOMAGIC;
+ f.__mode.__write = 1;
+ f.__cookie = (PTR) (long int) d; /* Casting to long quiets GCC on Alpha. */
+ f.__room_funcs = __default_room_functions;
+ f.__io_funcs = __default_io_functions;
+ f.__seen = 1;
+ f.__userbuf = 1;
+
+ /* vfprintf will use a buffer on the stack for the life of the call,
+ and flush it when finished. */
+ done = vfprintf (&f, format, arg);
+
+ return done;
+}