/usr/include/libroar/vio_cmd.h is in libroar-dev 0.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2011
*
* This file is part of libroar a part of RoarAudio,
* a cross-platform sound system for both, home and professional use.
* See README for details.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3
* as published by the Free Software Foundation.
*
* libroar 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* NOTE for everyone want's to change something and send patches:
* read README and HACKING! There a addition information on
* the license of this document you need to read before you send
* any patches.
*
* NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
* or libpulse*:
* The libs libroaresd, libroararts and libroarpulse link this lib
* and are therefore GPL. Because of this it may be illigal to use
* them with any software that uses libesd, libartsc or libpulse*.
*/
#ifndef _LIBROARVIO_CMD_H_
#define _LIBROARVIO_CMD_H_
#include "libroar.h"
#define ROAR_VIO_CMD_OPTS_NONE 0x00
#define ROAR_VIO_CMD_OPTS_NONBLOCK 0x01
#define ROAR_VIO_CMD_OPTS_ON_DEMAND 0x02
#define ROAR_VIO_CMD_BUFSIZE 1024
#define ROAR_VIO_CMD_STATE_NONE 0
#define ROAR_VIO_CMD_STATE_OPEN 1
#define ROAR_VIO_CMD_STATE_CLOSING 2
#define ROAR_VIO_CMD_STATE_CLOSED 3
// for OpenPGP interface:
#define ROAR_VIO_PGP_OPTS_NONE 0x00
#define ROAR_VIO_PGP_OPTS_ASCII 0x01
#define ROAR_VIO_PGP_OPTS_SIGN 0x02
#define ROAR_VIO_PGP_OPTS_TEXTMODE 0x04
struct roar_vio_cmd_child {
int opened;
pid_t pid;
int in;
int out;
char * cmd;
};
struct roar_vio_cmd_state {
struct roar_vio_calls * next;
int options;
int state;
struct roar_vio_cmd_child reader;
struct roar_vio_cmd_child writer;
};
struct roar_vio_2popen_state {
int options;
int state;
struct roar_vio_cmd_child child;
};
int roar_vio_open_cmd(struct roar_vio_calls * calls, struct roar_vio_calls * dst,
char * reader, char * writer, int options);
int roar_vio_cmd_close(struct roar_vio_calls * vio);
int roar_vio_cmd_fork(struct roar_vio_cmd_child * child);
int roar_vio_cmd_wait(struct roar_vio_cmd_child * child);
int roar_vio_open_2popen(struct roar_vio_calls * calls, char * command, int options);
int roar_vio_2popen_close(struct roar_vio_calls * vio);
// possible VIOs:
// cmd:
ssize_t roar_vio_cmd_read (struct roar_vio_calls * vio, void *buf, size_t count);
ssize_t roar_vio_cmd_write (struct roar_vio_calls * vio, void *buf, size_t count);
int roar_vio_cmd_nonblock(struct roar_vio_calls * vio, int state);
int roar_vio_cmd_sync (struct roar_vio_calls * vio);
int roar_vio_cmd_ctl (struct roar_vio_calls * vio, int cmd, void * data);
/*
// pass
int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst);
ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count);
ssize_t roar_vio_pass_write (struct roar_vio_calls * vio, void *buf, size_t count);
off_t roar_vio_pass_lseek (struct roar_vio_calls * vio, off_t offset, int whence);
int roar_vio_pass_nonblock(struct roar_vio_calls * vio, int state);
int roar_vio_pass_sync (struct roar_vio_calls * vio);
int roar_vio_pass_ctl (struct roar_vio_calls * vio, int cmd, void * data);
int roar_vio_pass_close (struct roar_vio_calls * vio);
*/
// MISC:
int roar_vio_open_gzip(struct roar_vio_calls * calls, struct roar_vio_calls * dst, int level);
int roar_vio_open_gpg(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int wronly, char * opts, int options);
int roar_vio_open_pgp_decrypt(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw);
int roar_vio_open_pgp_store(struct roar_vio_calls * calls, struct roar_vio_calls * dst, int options);
int roar_vio_open_pgp_encrypt_sym(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int options);
int roar_vio_open_pgp_encrypt_pub(struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * pw, int options, char * recipient);
#endif
//ll
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