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/* geml - General extendable macro language
* io.h Hadndles input and output for parser
*
* Copyright (C) 2016 Karel Kočí
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <stdbool.h>
#include <string.h>
#ifndef _IO_H_
#define _IO_H_
#include "utils.h"
// Call this function as soon as possible after program start before outf or inf
// are used.
void io_init(void);
// Current output file is closed and opens specified file. When NULL is passed,
// current file is closed and stdout is used.
bool set_output(const char *file) __attribute__ ((nonnull));
extern FILE *outf;
extern const char *outf_name;
// Curent input file is closed and opens specified file. When NULL is passed,
// current file is closed and stdin is used.
bool set_input(const char *file) __attribute__ ((nonnull));
extern FILE *inf;
extern const char *inf_name;
#endif /* _IO_H_ */
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