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