Annotation of embedaddon/libiconv/srclib/binary-io.h, revision 1.1
1.1 ! misho 1: /* Binary mode I/O.
! 2: Copyright (C) 2001, 2003, 2005, 2008 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 3 of the License, or
! 7: (at your option) 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, see <http://www.gnu.org/licenses/>. */
! 16:
! 17: #ifndef _BINARY_H
! 18: #define _BINARY_H
! 19:
! 20: /* For systems that distinguish between text and binary I/O.
! 21: O_BINARY is usually declared in <fcntl.h>. */
! 22: #include <fcntl.h>
! 23:
! 24: /* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...',
! 25: so we include it here first. */
! 26: #include <stdio.h>
! 27:
! 28: #if !defined O_BINARY && defined _O_BINARY
! 29: /* For MSC-compatible compilers. */
! 30: # define O_BINARY _O_BINARY
! 31: # define O_TEXT _O_TEXT
! 32: #endif
! 33: #if defined __BEOS__ || defined __HAIKU__
! 34: /* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect. */
! 35: # undef O_BINARY
! 36: # undef O_TEXT
! 37: #endif
! 38: #if O_BINARY
! 39: # if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
! 40: # include <io.h> /* declares setmode() */
! 41: # else
! 42: # define setmode _setmode
! 43: # undef fileno
! 44: # define fileno _fileno
! 45: # endif
! 46: # ifdef __DJGPP__
! 47: # include <unistd.h> /* declares isatty() */
! 48: # /* Avoid putting stdin/stdout in binary mode if it is connected to the
! 49: # console, because that would make it impossible for the user to
! 50: # interrupt the program through Ctrl-C or Ctrl-Break. */
! 51: # define SET_BINARY(fd) (!isatty (fd) ? (setmode (fd, O_BINARY), 0) : 0)
! 52: # else
! 53: # define SET_BINARY(fd) setmode (fd, O_BINARY)
! 54: # endif
! 55: #else
! 56: /* On reasonable systems, binary I/O is the default. */
! 57: # undef O_BINARY
! 58: # define O_BINARY 0
! 59: # define SET_BINARY(fd) /* nothing */
! 60: #endif
! 61:
! 62: #endif /* _BINARY_H */
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