1/* Binary mode I/O. 2 Copyright (C) 2001, 2003 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 2, or (at your option) 7 any later version. 8 9 This program 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 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software Foundation, 16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 17 18#ifndef _BINARY_H 19#define _BINARY_H 20 21/* For systems that distinguish between text and binary I/O. 22 O_BINARY is usually declared in <fcntl.h>. */ 23#include <fcntl.h> 24 25/* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...', 26 so we include it here first. */ 27#include <stdio.h> 28 29#if !defined O_BINARY && defined _O_BINARY 30 /* For MSC-compatible compilers. */ 31# define O_BINARY _O_BINARY 32# define O_TEXT _O_TEXT 33#endif 34#ifdef __BEOS__ 35 /* BeOS 5 has O_BINARY and O_TEXT, but they have no effect. */ 36# undef O_BINARY 37# undef O_TEXT 38#endif 39#if O_BINARY 40# if !(defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__) 41# define setmode _setmode 42# define fileno _fileno 43# endif 44# if defined __DJGPP__ || defined __CYGWIN__ 45# include <io.h> /* declares setmode() */ 46# endif 47# ifdef __DJGPP__ 48# include <unistd.h> /* declares isatty() */ 49# /* Avoid putting stdin/stdout in binary mode if it is connected to the 50# console, because that would make it impossible for the user to 51# interrupt the program through Ctrl-C or Ctrl-Break. */ 52# define SET_BINARY(fd) (!isatty (fd) ? (setmode (fd, O_BINARY), 0) : 0) 53# else 54# define SET_BINARY(fd) setmode (fd, O_BINARY) 55# endif 56#else 57 /* On reasonable systems, binary I/O is the default. */ 58# undef O_BINARY 59# define O_BINARY 0 60# define SET_BINARY(fd) /* nothing */ 61#endif 62 63#endif /* _BINARY_H */ 64