1*946379e7Schristos /* Binary mode I/O. 2*946379e7Schristos Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. 3*946379e7Schristos 4*946379e7Schristos This program is free software; you can redistribute it and/or modify 5*946379e7Schristos it under the terms of the GNU General Public License as published by 6*946379e7Schristos the Free Software Foundation; either version 2, or (at your option) 7*946379e7Schristos any later version. 8*946379e7Schristos 9*946379e7Schristos This program is distributed in the hope that it will be useful, 10*946379e7Schristos but WITHOUT ANY WARRANTY; without even the implied warranty of 11*946379e7Schristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12*946379e7Schristos GNU General Public License for more details. 13*946379e7Schristos 14*946379e7Schristos You should have received a copy of the GNU General Public License 15*946379e7Schristos along with this program; if not, write to the Free Software Foundation, 16*946379e7Schristos Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 17*946379e7Schristos 18*946379e7Schristos #ifndef _BINARY_H 19*946379e7Schristos #define _BINARY_H 20*946379e7Schristos 21*946379e7Schristos /* For systems that distinguish between text and binary I/O. 22*946379e7Schristos O_BINARY is usually declared in <fcntl.h>. */ 23*946379e7Schristos #include <fcntl.h> 24*946379e7Schristos 25*946379e7Schristos /* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...', 26*946379e7Schristos so we include it here first. */ 27*946379e7Schristos #include <stdio.h> 28*946379e7Schristos 29*946379e7Schristos #if !defined O_BINARY && defined _O_BINARY 30*946379e7Schristos /* For MSC-compatible compilers. */ 31*946379e7Schristos # define O_BINARY _O_BINARY 32*946379e7Schristos # define O_TEXT _O_TEXT 33*946379e7Schristos #endif 34*946379e7Schristos #ifdef __BEOS__ 35*946379e7Schristos /* BeOS 5 has O_BINARY and O_TEXT, but they have no effect. */ 36*946379e7Schristos # undef O_BINARY 37*946379e7Schristos # undef O_TEXT 38*946379e7Schristos #endif 39*946379e7Schristos #if O_BINARY 40*946379e7Schristos # if !(defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__) 41*946379e7Schristos # define setmode _setmode 42*946379e7Schristos # undef fileno 43*946379e7Schristos # define fileno _fileno 44*946379e7Schristos # endif 45*946379e7Schristos # if defined __DJGPP__ || defined __CYGWIN__ 46*946379e7Schristos # include <io.h> /* declares setmode() */ 47*946379e7Schristos # endif 48*946379e7Schristos # ifdef __DJGPP__ 49*946379e7Schristos # include <unistd.h> /* declares isatty() */ 50*946379e7Schristos # /* Avoid putting stdin/stdout in binary mode if it is connected to the 51*946379e7Schristos # console, because that would make it impossible for the user to 52*946379e7Schristos # interrupt the program through Ctrl-C or Ctrl-Break. */ 53*946379e7Schristos # define SET_BINARY(fd) (!isatty (fd) ? (setmode (fd, O_BINARY), 0) : 0) 54*946379e7Schristos # else 55*946379e7Schristos # define SET_BINARY(fd) setmode (fd, O_BINARY) 56*946379e7Schristos # endif 57*946379e7Schristos #else 58*946379e7Schristos /* On reasonable systems, binary I/O is the default. */ 59*946379e7Schristos # undef O_BINARY 60*946379e7Schristos # define O_BINARY 0 61*946379e7Schristos # define SET_BINARY(fd) /* nothing */ 62*946379e7Schristos #endif 63*946379e7Schristos 64*946379e7Schristos #endif /* _BINARY_H */ 65