1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162 |
- /* Binary mode I/O.
- Copyright (C) 2001, 2003, 2005, 2008 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
- /* For systems that distinguish between text and binary I/O.
- O_BINARY is usually declared in <fcntl.h>. */
- #include <fcntl.h>
- /* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...',
- so we include it here first. */
- #include <stdio.h>
- #if !defined O_BINARY && defined _O_BINARY
- /* For MSC-compatible compilers. */
- # define O_BINARY _O_BINARY
- # define O_TEXT _O_TEXT
- #endif
- #if defined __BEOS__ || defined __HAIKU__
- /* BeOS 5 and Haiku have 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 */
|