From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- hurd/vpprintf.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 hurd/vpprintf.c (limited to 'hurd/vpprintf.c') 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 +#include +#include +#include +#include + +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; +} -- cgit v1.2.3