0,0 → 1,62 |
/* Binary mode I/O. |
Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc. |
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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. |
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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. |
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You should have received a copy of the GNU General Public License |
along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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#ifndef _BINARY_H |
#define _BINARY_H |
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/* 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 ...' |
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We don't include <fcntl.h> here because not all systems have |
that header. */ |
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#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 |
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#endif /* _BINARY_H */ |