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/* -*-c-*- ------------------ xmix_io.h :
* Implementation of mix_iochannel_t and mix_file_t
* ------------------------------------------------------------------
* Copyright (C) 2000 jose antonio ortega ruiz <jaortega@acm.org>
*
* 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 XMIX_IOCHANNEL_H
#define XMIX_IOCHANNEL_H
#include <stdio.h>
#include "mix_io.h"
/* the actual definition of mix_iochannel_t */
struct mix_iochannel_t
{
FILE *file;
};
extern const char * io_OPENTYPE_[5];
#define fmode_to_type_(mode) ( (mode) < 6 ? io_OPENTYPE_[(mode)]:NULL )
/* initialisation */
extern gboolean
io_init_from_fdesc_(mix_iochannel_t *ioc, int fdesc);
#define io_init_from_file_(ioc,f) (ioc)->file = f
#define io_close_(ioc) fclose((ioc)->file)
/* write/read data */
#define write_data_(ioc,data,no) \
( (no) == fwrite((const void*)(data), sizeof(*(data)), (no), (ioc)->file) )
#define read_data_(ioc,data,no) \
( (no) == fread((void*)(data), sizeof(*(data)), (no), (ioc)->file) )
/* state */
#define is_eof_(ioc) ( feof((ioc)->file) != 0 )
#define is_ready_(ioc) ( ferror((ioc)->file) == 0 )
/* conversions */
#define io_get_FILE_(ioc) (MIX_IOCHANNEL(ioc))->file
#endif /* XMIX_IOCHANNEL_H */
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