/*
 *  upkg: tool for manipulating Unreal Tournament packages.
 *  Copyright (C) 2009 Nick Bowler
 *
 *  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
 */

#include <stdio.h>
#include <stdlib.h>

#include "music-module.h"
#include "upkg.h"

struct music_mod {
	struct upkg_file *f;
};

int music_mod_init(void)
{
	return 0;
}

void music_mod_exit(void)
{
}

struct music_mod *music_mod_open(struct upkg_file *f)
{
	struct music_mod *m = malloc(sizeof *m);

	if (m) {
		m->f = f;
	}

	return m;
}

void music_mod_close(struct music_mod *m)
{
	free(m);
}

int music_mod_dump(struct music_mod *m, FILE *of)
{
	unsigned char buf[1024];
	size_t rc;

	if (upkg_export_seek(m->f, 0, SEEK_SET) != 0) {
		return -1;
	}

	while (1) {
		rc = upkg_export_read(m->f, buf, sizeof buf);
		if (rc == 0) {
			if (!m->f->eof)
				return -1;
			return 0;
		}

		if (fwrite(buf, rc, 1, of) != 1) {
			if (feof(of)) {
				fprintf(stderr, "unexpected end-of-file.\n");
			} else {
				perror("fwrite");
			}
			return -1;
		}

		if (rc < sizeof buf) {
			if (!m->f->eof)
				return -1;
			return 0;
		}
	}
}

const char *music_mod_type(struct music_mod *mod)
{
	return "unknown";
}