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libiconv 1.16

    1: /* Binary mode I/O.
    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: #include <config.h>
   18: 
   19: #define BINARY_IO_INLINE _GL_EXTERN_INLINE
   20: #include "binary-io.h"
   21: 
   22: #if defined __DJGPP__ || defined __EMX__
   23: # include <errno.h>
   24: # include <unistd.h>
   25: 
   26: int
   27: __gl_setmode_check (int fd)
   28: {
   29:   if (isatty (fd))
   30:     {
   31:       errno = EINVAL;
   32:       return -1;
   33:     }
   34:   else
   35:     return 0;
   36: }
   37: #endif