2 Copyright (C) 2001, 2003, 2005, 2008-2020 Free Software Foundation, Inc.
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
20 /* For systems that distinguish between text and binary I/O.
21 O_BINARY is guaranteed by the gnulib <fcntl.h>. */
24 /* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...',
25 so we include it here first. */
28 #ifndef _GL_INLINE_HEADER_BEGIN
29 #error "Please include config.h first."
31 _GL_INLINE_HEADER_BEGIN
32 #ifndef BINARY_IO_INLINE
33 # define BINARY_IO_INLINE _GL_INLINE
37 # if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
38 # include <io.h> /* declares setmode() */
39 # define __gl_setmode setmode
41 # define __gl_setmode _setmode
43 # define fileno _fileno
46 /* On reasonable systems, binary I/O is the only choice. */
47 /* Use a function rather than a macro, to avoid gcc warnings
48 "warning: statement with no effect". */
50 __gl_setmode (int fd _GL_UNUSED
, int mode _GL_UNUSED
)
56 /* Set FD's mode to MODE, which should be either O_TEXT or O_BINARY.
57 Return the old mode if successful, -1 (setting errno) on failure.
58 Ordinarily this function would be called 'setmode', since that is
59 its old name on MS-Windows, but it is called 'set_binary_mode' here
60 to avoid colliding with a BSD function of another name. */
62 #if defined __DJGPP__ || defined __EMX__
63 extern int set_binary_mode (int fd
, int mode
);
66 set_binary_mode (int fd
, int mode
)
68 return __gl_setmode (fd
, mode
);
72 /* This macro is obsolescent. */
73 #define SET_BINARY(fd) ((void) set_binary_mode (fd, O_BINARY))
77 #endif /* _BINARY_H */