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04277e02 1/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
c84142e8 2 This file is part of the GNU C Library.
28f540f4 3
c84142e8 4 The GNU C Library is free software; you can redistribute it and/or
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5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
28f540f4 8
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9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2 12 Lesser General Public License for more details.
28f540f4 13
41bdb6e2 14 You should have received a copy of the GNU Lesser General Public
59ba27a6 15 License along with the GNU C Library; if not, see
5a82c748 16 <https://www.gnu.org/licenses/>. */
28f540f4 17
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18#include <stdarg.h>
19#include <stdio.h>
20#include <string.h>
21#include <hurd.h>
22
3ce1f295 23#include <libioP.h>
f5dcffc5 24
28f540f4 25static ssize_t
f5dcffc5 26do_write (void *cookie, const char *buf, size_t n)
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27{
28 error_t error = __io_write ((io_t) cookie, buf, n, -1,
29 (mach_msg_type_number_t *) &n);
30 if (error)
31 return __hurd_fail (error);
32 return n;
33}
34
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35/* Write formatted output to PORT, a Mach port supporting the i/o protocol,
36 according to the format string FORMAT, using the argument list in ARG. */
37int
f5dcffc5 38vpprintf (io_t port, const char *format, va_list arg)
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39{
40 int done;
b4e54243 41
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42 struct locked_FILE
43 {
44 struct _IO_cookie_file cfile;
45#ifdef _IO_MTSAFE_IO
46 _IO_lock_t lock;
47#endif
48 } temp_f;
49#ifdef _IO_MTSAFE_IO
f5dcffc5 50 temp_f.cfile.__fp.file._lock = &temp_f.lock;
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51#endif
52
53 _IO_cookie_init (&temp_f.cfile, _IO_NO_READS,
f5dcffc5 54 (void *) port, (cookie_io_functions_t) { write: do_write });
b4e54243 55
698fb75b 56 done = __vfprintf_internal (&temp_f.cfile.__fp.file, format, arg, 0);
b4e54243 57
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58 return done;
59}