/* Abstract output stream data type.

   Copyright (C) 2006, 2015 Free Software Foundation, Inc.

   Written by Bruno Haible <bruno@clisp.org>, 2006.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef _OSTREAM_H

#define _OSTREAM_H

#include <stddef.h>

#include <string.h>

#include "moo.h"

/* An output stream is an object to which one can feed a sequence of bytes.  */

struct ostream

{

methods:

  /* Write a sequence of bytes to a stream.  */

  void write_mem (ostream_t stream, const void *data, size_t len);

  /* Bring buffered data to its destination.  */

  void flush (ostream_t stream);

  /* Close and free a stream.  */

  void free (ostream_t stream);

};

#ifdef __cplusplus

extern "C" {

#endif

/* Write a string's contents to a stream.  */

extern void ostream_write_str (ostream_t stream, const char *string);

#if HAVE_INLINE

#define ostream_write_str ostream_write_str_inline

static inline void

ostream_write_str (ostream_t stream, const char *string)

{

  ostream_write_mem (stream, string, strlen (string));

}

#endif

#ifdef __cplusplus

}

#endif

#endif /* _OSTREAM_H */