/* 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 /* 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 */