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b168057a | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
2f6d1f1b | 2 | This file is part of the GNU C Library. |
96aa2d94 | 3 | |
2f6d1f1b | 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. | |
96aa2d94 | 8 | |
2f6d1f1b 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. |
96aa2d94 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
96aa2d94 RM |
17 | |
18 | #include "libioP.h" | |
19 | #include "stdio.h" | |
20 | ||
21 | #undef putchar | |
22 | ||
23 | int | |
24 | putchar (c) | |
25 | int c; | |
26 | { | |
7c713e28 | 27 | int result; |
0261d33f | 28 | _IO_acquire_lock (_IO_stdout); |
7c713e28 | 29 | result = _IO_putc_unlocked (c, _IO_stdout); |
0261d33f | 30 | _IO_release_lock (_IO_stdout); |
7c713e28 | 31 | return result; |
96aa2d94 | 32 | } |
bdb04ee8 UD |
33 | |
34 | #if defined weak_alias && !defined _IO_MTSAFE_IO | |
35 | #undef putchar_unlocked | |
36 | weak_alias (putchar, putchar_unlocked) | |
37 | #endif |