1  /* Output stream referring to an stdio FILE.
       2     Copyright (C) 2006, 2020 Free Software Foundation, Inc.
       3     Written by Bruno Haible <bruno@clisp.org>, 2006.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation; either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  #ifndef _FILE_OSTREAM_H
      19  #define _FILE_OSTREAM_H
      20  
      21  #include <stdbool.h>
      22  #include <stdio.h>
      23  
      24  #include "ostream.h"
      25  
      26  
      27  struct file_ostream : struct ostream
      28  {
      29  methods:
      30    /* Accessors.  */
      31    FILE * get_stdio_stream (file_ostream_t stream);
      32  };
      33  
      34  
      35  #ifdef __cplusplus
      36  extern "C" {
      37  #endif
      38  
      39  
      40  /* Create an output stream referring to FP.
      41     Note that the resulting stream must be closed before FP can be closed.  */
      42  extern file_ostream_t file_ostream_create (FILE *fp);
      43  
      44  
      45  /* Test whether a given output stream is a file_ostream.  */
      46  extern bool is_instance_of_file_ostream (ostream_t stream);
      47  
      48  
      49  #ifdef __cplusplus
      50  }
      51  #endif
      52  
      53  #endif /* _FILE_OSTREAM_H */