rm_/lib/xbinary-io.h
2022-07-28 14:16:50 +08:00

49 lines
1.4 KiB
C

/* Binary mode I/O with checking
Copyright 2017-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _XBINARY_IO_H
#define _XBINARY_IO_H
#include "binary-io.h"
#ifndef _GL_INLINE_HEADER_BEGIN
#error "Please include config.h first."
#endif
_GL_INLINE_HEADER_BEGIN
#ifndef XBINARY_IO_INLINE
# define XBINARY_IO_INLINE _GL_INLINE
#endif
#if O_BINARY
extern _Noreturn void xset_binary_mode_error (void);
#else
XBINARY_IO_INLINE void xset_binary_mode_error (void) {}
#endif
/* Set the mode of FD to MODE, which should be either O_TEXT or O_BINARY.
Report an error and exit if this fails. */
XBINARY_IO_INLINE void
xset_binary_mode (int fd, int mode)
{
if (set_binary_mode (fd, mode) < 0)
xset_binary_mode_error ();
}
_GL_INLINE_HEADER_END
#endif /* _XBINARY_IO_H */