old-cross-binutils/gdb/testsuite/lib/unbuffer_output.c
Joel Brobecker 618f726fcb GDB copyright headers update after running GDB's copyright.py script.
gdb/ChangeLog:

        Update year range in copyright notice of all files.
2016-01-01 08:43:22 +04:00

39 lines
1.3 KiB
C

/* Copyright (C) 2008-2016 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Force output to unbuffered mode if not connected to a terminal. */
#include <stdio.h>
#ifndef __MINGW32__
#include <unistd.h>
#endif
static int
gdb_unbuffer_output (void)
{
/* Always force this for Windows testing. To a native Windows
program running under a Cygwin shell/ssh, stdin is really a
Windows pipe, thus not a tty and its outputs ends up fully
buffered. */
#ifndef __MINGW32__
if (!isatty (fileno (stdin)))
#endif
{
setvbuf (stdout, NULL, _IONBF, BUFSIZ);
setvbuf (stderr, NULL, _IONBF, BUFSIZ);
}
}