lib/xbinary-io.h

   1 /* Binary mode I/O with checking
   2    Copyright 2017-2019 Free Software Foundation, Inc.
   3
   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.
   8
   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.
  13
  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/>.  */
  16
  17 #ifndef _XBINARY_IO_H
  18 #define _XBINARY_IO_H
  19
  20 #include "binary-io.h"
  21
  22 #ifndef _GL_INLINE_HEADER_BEGIN
  23  #error "Please include config.h first."
  24 #endif
  25 _GL_INLINE_HEADER_BEGIN
  26 #ifndef XBINARY_IO_INLINE
  27 # define XBINARY_IO_INLINE _GL_INLINE
  28 #endif
  29
  30 #if O_BINARY
  31 extern _Noreturn void xset_binary_mode_error (void);
  32 #else
  33 XBINARY_IO_INLINE void xset_binary_mode_error (void) {}
  34 #endif
  35
  36 /* Set the mode of FD to MODE, which should be either O_TEXT or O_BINARY.
  37    Report an error and exit if this fails.  */
  38
  39 XBINARY_IO_INLINE void
  40 xset_binary_mode (int fd, int mode)
  41 {
  42   if (set_binary_mode (fd, mode) < 0)
  43     xset_binary_mode_error ();
  44 }
  45
  46 _GL_INLINE_HEADER_END
  47
  48 #endif /* _XBINARY_IO_H */