home *** CD-ROM | disk | FTP | other *** search
- /* 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, &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;
- }
-