| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1991-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include "libioP.h" |
| 19 | #include "stdio.h" |
| 20 | |
| 21 | #undef putchar |
| 22 | |
| 23 | int |
| 24 | putchar (int c) |
| 25 | { |
| 26 | int result; |
| 27 | _IO_acquire_lock (_IO_stdout); |
| 28 | result = _IO_putc_unlocked (c, _IO_stdout); |
| 29 | _IO_release_lock (_IO_stdout); |
| 30 | return result; |
| 31 | } |
| 32 | |
| 33 | #if defined weak_alias && !defined _IO_MTSAFE_IO |
| 34 | #undef putchar_unlocked |
| 35 | weak_alias (putchar, putchar_unlocked) |
| 36 | #endif |