1 | /* Copyright (C) 1991-2023 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
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. |
8 | |
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 |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <stdarg.h> |
19 | #include <libio/libioP.h> |
20 | |
21 | |
22 | /* Write formatted output to FP from the format string FORMAT. */ |
23 | int |
24 | __fwprintf_chk (FILE *fp, int flag, const wchar_t *format, ...) |
25 | { |
26 | /* For flag > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n |
27 | can only come from read-only format strings. */ |
28 | unsigned int mode = (flag > 0) ? PRINTF_FORTIFY : 0; |
29 | va_list ap; |
30 | int ret; |
31 | |
32 | va_start (ap, format); |
33 | ret = __vfwprintf_internal (fp, format, ap, mode); |
34 | va_end (ap); |
35 | |
36 | return ret; |
37 | } |
38 | |