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1 | /* Copyright (C) 1991-2024 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 "libioP.h" | |
19 | #include "stdio.h" | |
20 | ||
21 | #undef _IO_putc | |
22 | ||
23 | int | |
24 | _IO_putc (int c, FILE *fp) | |
25 | { | |
26 | int result; | |
27 | CHECK_FILE (fp, EOF); | |
28 | if (!_IO_need_lock (fp)) | |
29 | return _IO_putc_unlocked (c, fp); | |
30 | _IO_acquire_lock (fp); | |
31 | result = _IO_putc_unlocked (c, fp); | |
32 | _IO_release_lock (fp); | |
33 | return result; | |
34 | } | |
35 | libc_hidden_def (_IO_putc) | |
36 | ||
37 | #undef putc | |
38 | ||
39 | weak_alias (_IO_putc, putc) | |
40 | ||
41 | #ifndef _IO_MTSAFE_IO | |
42 | #undef putc_unlocked | |
43 | weak_alias (_IO_putc, putc_unlocked) | |
44 | #endif |