1/* Copyright (C) 1991-2020 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
23int
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}
35libc_hidden_def (_IO_putc)
36
37#undef putc
38
39weak_alias (_IO_putc, putc)
40
41#ifndef _IO_MTSAFE_IO
42#undef putc_unlocked
43weak_alias (_IO_putc, putc_unlocked)
44#endif
45