/*
 * BRLTTY - A background process providing access to the console screen (when in
 *          text mode) for a blind person using a refreshable braille display.
 *
 * Copyright (C) 1995-2012 by The BRLTTY Developers.
 *
 * BRLTTY comes with ABSOLUTELY NO WARRANTY.
 *
 * This is free software, placed under the terms of the
 * GNU General Public License, as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any
 * later version. Please see the file LICENSE-GPL for details.
 *
 * Web Page: http://mielke.cc/brltty/
 *
 * This software is maintained by Dave Mielke <dave@mielke.cc>.
 */

#ifndef BRLTTY_INCLUDED_HOSTCMD_INTERNAL
#define BRLTTY_INCLUDED_HOSTCMD_INTERNAL

#include <stdio.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct {
  FILE **const *const file;
  const int descriptor;
  const unsigned input:1;

  HostCommandPackageFields package;
} HostCommandStream;

typedef int HostCommandStreamProcessor (HostCommandStream *hcs);
extern int processHostCommandStreams (HostCommandStreamProcessor *processor, HostCommandStream *hcs);

extern void subconstructHostCommandStream (HostCommandStream *hcs);
extern void subdestructHostCommandStream (HostCommandStream *hcs);
extern int prepareHostCommandStream (HostCommandStream *hcs);

extern int runCommand (
  int *result,
  const char *const *command,
  HostCommandStream *streams,
  int asynchronous
);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* BRLTTY_INCLUDED_HOSTCMD_INTERNAL */
