1 | /* Copyright (C) 2005-2016 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gnu.org>. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <assert.h> |
20 | #include <ctype.h> |
21 | #include <stdarg.h> |
22 | #include <stdio.h> |
23 | #include <wchar.h> |
24 | #include <string.h> |
25 | #include <libioP.h> |
26 | |
27 | |
28 | int |
29 | __fxprintf (FILE *fp, const char *fmt, ...) |
30 | { |
31 | if (fp == NULL) |
32 | fp = stderr; |
33 | |
34 | va_list ap; |
35 | va_start (ap, fmt); |
36 | |
37 | int res; |
38 | if (_IO_fwide (fp, 0) > 0) |
39 | { |
40 | size_t len = strlen (fmt) + 1; |
41 | wchar_t wfmt[len]; |
42 | for (size_t i = 0; i < len; ++i) |
43 | { |
44 | assert (isascii (fmt[i])); |
45 | wfmt[i] = fmt[i]; |
46 | } |
47 | res = __vfwprintf (fp, wfmt, ap); |
48 | } |
49 | else |
50 | res = _IO_vfprintf (fp, fmt, ap); |
51 | |
52 | va_end (ap); |
53 | |
54 | return res; |
55 | } |
56 | |