forked from KolibriOS/kolibrios
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* Binary mode I/O.
|
|
Copyright (C) 2001-2015 Free Software Foundation, Inc.
|
|
|
|
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/>. */
|
|
|
|
#ifndef _BINARY_H
|
|
#define _BINARY_H
|
|
|
|
/* Include this header after <fcntl.h> and <stdio.h>, because
|
|
systems that distinguish between text and binary I/O usually
|
|
define O_BINARY in <fcntl.h>, and the MSVC7 <stdio.h> doesn't
|
|
like to be included after '#define fileno ...'
|
|
|
|
We don't include <fcntl.h> here because not all systems have
|
|
that header. */
|
|
|
|
#if !defined O_BINARY && defined _O_BINARY
|
|
/* For MSC-compatible compilers. */
|
|
# define O_BINARY _O_BINARY
|
|
# define O_TEXT _O_TEXT
|
|
#endif
|
|
#ifdef __BEOS__
|
|
/* BeOS 5 has O_BINARY and O_TEXT, but they have no effect. */
|
|
# undef O_BINARY
|
|
# undef O_TEXT
|
|
#endif
|
|
#if O_BINARY
|
|
# if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
|
|
# include <io.h> /* declares setmode() */
|
|
# else
|
|
# define setmode _setmode
|
|
# undef fileno
|
|
# define fileno _fileno
|
|
# endif
|
|
# ifdef __DJGPP__
|
|
# include <unistd.h> /* declares isatty() */
|
|
# /* Avoid putting stdin/stdout in binary mode if it is connected to the
|
|
# console, because that would make it impossible for the user to
|
|
# interrupt the program through Ctrl-C or Ctrl-Break. */
|
|
# define SET_BINARY(fd) (!isatty (fd) ? (setmode (fd, O_BINARY), 0) : 0)
|
|
# else
|
|
# define SET_BINARY(fd) setmode (fd, O_BINARY)
|
|
# endif
|
|
#else
|
|
/* On reasonable systems, binary I/O is the default. */
|
|
# undef O_BINARY
|
|
# define O_BINARY 0
|
|
# define SET_BINARY(fd) /* nothing */
|
|
#endif
|
|
|
|
#endif /* _BINARY_H */
|