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* binary-io.h: New file, imported from gnulib, but don't

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#include <fcntl.h> or <stdio.h>.
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Alan Modra 2008-08-25 04:36:03 +00:00
parent 8c95f48514
commit 67efbf453f
2 changed files with 67 additions and 0 deletions
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include/ChangeLog
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2008-08-25 Alan Modra <amodra@bigpond.net.au>
* binary-io.h: New file, imported from gnulib, but don't
#include <fcntl.h> or <stdio.h>.
2008-08-17 Alan Modra <amodra@bigpond.net.au>
* bfdlink.h (bfd_generic_link_read_symbols): Declare.

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