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4273
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1 /* Binary mode I/O. |
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2 Copyright (C) 2001, 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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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4273
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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__) |
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41 # define setmode _setmode |
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42 # define fileno _fileno |
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43 # endif |
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44 # ifdef __DJGPP__ |
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45 # include <io.h> /* declares setmode() */ |
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46 # include <unistd.h> /* declares isatty() */ |
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47 # /* Avoid putting stdin/stdout in binary mode if it is connected to the |
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48 # console, because that would make it impossible for the user to |
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49 # interrupt the program through Ctrl-C or Ctrl-Break. */ |
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50 # define SET_BINARY(fd) (!isatty (fd) ? (setmode (fd, O_BINARY), 0) : 0) |
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51 # else |
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52 # define SET_BINARY(fd) setmode (fd, O_BINARY) |
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53 # endif |
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54 #else |
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55 /* On reasonable systems, binary I/O is the default. */ |
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56 # define O_BINARY 0 |
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57 # define SET_BINARY(fd) /* nothing */ |
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58 #endif |
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59 |
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60 #endif /* _BINARY_H */ |
