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8a0746ae | 1 | /* Copyright (C) 1991,94,97,2000,01 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 |
41bdb6e2 AJ |
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 | |
c84142e8 UD |
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 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
28f540f4 | 18 | |
28f540f4 RM |
19 | #include <stdarg.h> |
20 | #include <stdio.h> | |
21 | #include <string.h> | |
22 | #include <hurd.h> | |
23 | ||
f5dcffc5 MK |
24 | #ifdef USE_IN_LIBIO |
25 | # include <libioP.h> | |
26 | #endif | |
27 | ||
28f540f4 | 28 | static ssize_t |
f5dcffc5 | 29 | do_write (void *cookie, const char *buf, size_t n) |
28f540f4 RM |
30 | { |
31 | error_t error = __io_write ((io_t) cookie, buf, n, -1, | |
32 | (mach_msg_type_number_t *) &n); | |
33 | if (error) | |
34 | return __hurd_fail (error); | |
35 | return n; | |
36 | } | |
37 | ||
28f540f4 RM |
38 | /* Write formatted output to PORT, a Mach port supporting the i/o protocol, |
39 | according to the format string FORMAT, using the argument list in ARG. */ | |
40 | int | |
f5dcffc5 | 41 | vpprintf (io_t port, const char *format, va_list arg) |
28f540f4 RM |
42 | { |
43 | int done; | |
b4e54243 RM |
44 | |
45 | #ifdef USE_IN_LIBIO | |
46 | ||
47 | struct locked_FILE | |
48 | { | |
49 | struct _IO_cookie_file cfile; | |
50 | #ifdef _IO_MTSAFE_IO | |
51 | _IO_lock_t lock; | |
52 | #endif | |
53 | } temp_f; | |
54 | #ifdef _IO_MTSAFE_IO | |
f5dcffc5 | 55 | temp_f.cfile.__fp.file._lock = &temp_f.lock; |
b4e54243 RM |
56 | #endif |
57 | ||
58 | _IO_cookie_init (&temp_f.cfile, _IO_NO_READS, | |
f5dcffc5 | 59 | (void *) port, (cookie_io_functions_t) { write: do_write }); |
b4e54243 | 60 | |
8a0746ae | 61 | done = _IO_vfprintf (&temp_f.cfile.__fp.file, format, arg); |
b4e54243 RM |
62 | |
63 | #else | |
64 | ||
28f540f4 RM |
65 | FILE f; |
66 | ||
67 | /* Create an unbuffered stream talking to PORT on the stack. */ | |
c84142e8 | 68 | memset ((void *) &f, 0, sizeof (f)); |
28f540f4 RM |
69 | f.__magic = _IOMAGIC; |
70 | f.__mode.__write = 1; | |
c84142e8 | 71 | f.__cookie = (void *) port; |
28f540f4 | 72 | f.__room_funcs = __default_room_functions; |
f5dcffc5 | 73 | f.__io_funcs.__write = do_write; |
28f540f4 RM |
74 | f.__seen = 1; |
75 | f.__userbuf = 1; | |
76 | ||
77 | /* vfprintf will use a buffer on the stack for the life of the call. */ | |
c84142e8 | 78 | done = vfprintf (&f, format, arg); |
28f540f4 | 79 | |
b4e54243 RM |
80 | #endif |
81 | ||
28f540f4 RM |
82 | return done; |
83 | } |