lib/xbinary-io.h

   1 /* Binary mode I/O with checking
   2    Copyright 2017-2024 Free Software Foundation, Inc.
   3
   4    This file is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation, either version 3 of the
   7    License, or (at your option) any later version.
   8
   9    This file 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 Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _XBINARY_IO_H
  18 #define _XBINARY_IO_H
  19
  20 /* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, _Noreturn.  */
  21 #if !_GL_CONFIG_H_INCLUDED
  22  #error "Please include config.h first."
  23 #endif
  24
  25 #include "binary-io.h"
  26
  27 _GL_INLINE_HEADER_BEGIN
  28 #ifndef XBINARY_IO_INLINE
  29 # define XBINARY_IO_INLINE _GL_INLINE
  30 #endif
  31
  32 #if O_BINARY
  33 extern _Noreturn void xset_binary_mode_error (void);
  34 #else
  35 XBINARY_IO_INLINE void xset_binary_mode_error (void) {}
  36 #endif
  37
  38 /* Set the mode of FD to MODE, which should be either O_TEXT or O_BINARY.
  39    Report an error and exit if this fails.  */
  40
  41 XBINARY_IO_INLINE void
  42 xset_binary_mode (int fd, int mode)
  43 {
  44   if (set_binary_mode (fd, mode) < 0)
  45     xset_binary_mode_error ();
  46 }
  47
  48 _GL_INLINE_HEADER_END
  49
  50 #endif /* _XBINARY_IO_H */