1 /* Copyright (C) 1991, 1995, 1996, 1997, 1998 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, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 #include "libioP.h" 20 #include "stdio.h" 21 22 #undef putchar 23 24 int 25 putchar (c) 26 int c; 27 { 28 int result; 29 _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, 30 _IO_stdout); 31 _IO_flockfile (_IO_stdout); 32 result = _IO_putc_unlocked (c, _IO_stdout); 33 _IO_funlockfile (_IO_stdout); 34 _IO_cleanup_region_end (0); 35 return result; 36 } 37 38 #if defined weak_alias && !defined _IO_MTSAFE_IO 39 #undef putchar_unlocked 40 weak_alias (putchar, putchar_unlocked) 41 #endif 42