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/* -*-c-*- ------------------ mix_io.h :
* Declarations for mix_iochannel_t and mix_file_t
* ------------------------------------------------------------------
* Copyright (C) 2000 Free Software Foundation, Inc.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef MIX_IOCHANNEL_H
#define MIX_IOCHANNEL_H
#include <stdio.h>
#include "mix_types.h"
/* mix_iochannel_t: an object for input/output of mix types */
typedef struct mix_iochannel_t mix_iochannel_t;
/* Cast to mix_iochannel_t */
#define MIX_IOCHANNEL(file) (mix_iochannel_t *)(file)
/* I/O channels can be created in different modes: */
typedef enum {
mix_io_READ, /* read existing file */
mix_io_WRITE, /* write new file */
mix_io_RDWRT, /* read/write existing from beginning */
mix_io_APPEND, /* append to existing or new file */
mix_io_RAPPEND /* read from beginning, append to end */
} mix_fmode_t;
/* Create from a file handle */
extern mix_iochannel_t *
mix_io_new (FILE *file);
/* Delete */
extern void
mix_io_delete(mix_iochannel_t *ch);
/* Convert to a FILE * */
extern FILE *
mix_io_to_FILE (mix_iochannel_t *ioc);
/* Read/write from/to an iochannel */
extern gboolean
mix_io_eof(mix_iochannel_t *ioc);
extern gboolean
mix_io_is_ready(mix_iochannel_t *ioc);
extern gboolean
mix_io_write_byte(mix_iochannel_t *ioc, mix_byte_t b);
extern gboolean
mix_io_write_byte_array(mix_iochannel_t *ioc, const mix_byte_t *b,
size_t s);
extern mix_byte_t
mix_io_read_byte(mix_iochannel_t *ioc);
extern gboolean
mix_io_read_byte_array(mix_iochannel_t *ioc, mix_byte_t *b, size_t s);
extern gboolean
mix_io_write_word(mix_iochannel_t *ioc, mix_word_t w);
extern gboolean
mix_io_write_word_array(mix_iochannel_t *ioc, const mix_word_t *w,
size_t s);
extern mix_word_t
mix_io_read_word(mix_iochannel_t *ioc);
extern gboolean
mix_io_read_word_array(mix_iochannel_t *ioc, mix_word_t *w, size_t s);
extern gboolean
mix_io_write_short(mix_iochannel_t *ioc, mix_short_t w);
extern gboolean
mix_io_write_short_array(mix_iochannel_t *ioc, const mix_short_t *w,
size_t s);
extern mix_short_t
mix_io_read_short(mix_iochannel_t *ioc);
extern gboolean
mix_io_read_short_array(mix_iochannel_t *ioc, mix_short_t *w, size_t s);
extern gboolean
mix_io_write_char(mix_iochannel_t *ioc, mix_char_t c);
extern mix_char_t
mix_io_read_char(mix_iochannel_t *ioc);
extern gboolean
mix_io_write_word_array_as_char (mix_iochannel_t *ioc,
const mix_word_t *w, size_t s);
extern gboolean
mix_io_read_word_array_as_char (mix_iochannel_t *ioc,
mix_word_t *w, size_t s);
#endif /* MIX_IOCHANNEL_H */
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