diff options
Diffstat (limited to 'lib/xbinary-io.h')
-rw-r--r-- | lib/xbinary-io.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/xbinary-io.h b/lib/xbinary-io.h new file mode 100644 index 0000000..144df9e --- /dev/null +++ b/lib/xbinary-io.h @@ -0,0 +1,48 @@ +/* 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 */ |