navit/maptool/itembin_buffer.c

/**
 * Navit, a modular navigation system.
 * Copyright (C) 2005-2011 Navit Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * 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 <string.h>
#include <stdlib.h>
#include "maptool.h"
#include "debug.h"


static char buffer[800000];
struct item_bin *item_bin=(struct item_bin *)(void *)buffer;

struct item_bin *
read_item(FILE *in)
{
        struct item_bin *ib=(struct item_bin *) buffer;
        for (;;) {
                switch (item_bin_read(ib, in)) {
                case 0:
                        return NULL;
                case 2:
                        dbg_assert((ib->len+1)*4 < sizeof(buffer));
                        bytes_read+=(ib->len+1)*sizeof(int);
                        return ib;
                default:
                        continue;
                }
        }
}

struct item_bin *
read_item_range(FILE *in, int *min, int *max)
{
        struct range r;

        if (fread(&r, sizeof(r), 1, in) != 1)
                return NULL;
        *min=r.min;
        *max=r.max;
        return read_item(in);
}

struct item_bin *
init_item(enum item_type type)
{
        struct item_bin *ib=(struct item_bin *) buffer;

        item_bin_init(ib, type);
        return ib;
}
1	zoff99	8	/**
2			* Navit, a modular navigation system.
3			* Copyright (C) 2005-2011 Navit Team
4			*
5			* This program is free software; you can redistribute it and/or
6			* modify it under the terms of the GNU General Public License
7			* version 2 as published by the Free Software Foundation.
8			*
9			* This program is distributed in the hope that it will be useful,
10			* but WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12			* GNU General Public License for more details.
13			*
14			* You should have received a copy of the GNU General Public License
15			* along with this program; if not, write to the
16			* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17			* Boston, MA 02110-1301, USA.
18			*/
19			#include <string.h>
20			#include <stdlib.h>
21			#include "maptool.h"
22			#include "debug.h"
23
24
25			static char buffer[800000];
26			struct item_bin item_bin=(struct item_bin )(void *)buffer;
27
28			struct item_bin *
29			read_item(FILE *in)
30			{
31			struct item_bin ib=(struct item_bin ) buffer;
32			for (;;) {
33			switch (item_bin_read(ib, in)) {
34			case 0:
35			return NULL;
36			case 2:
37			dbg_assert((ib->len+1)*4 < sizeof(buffer));
38			bytes_read+=(ib->len+1)*sizeof(int);
39			return ib;
40			default:
41			continue;
42			}
43			}
44			}
45
46			struct item_bin *
47			read_item_range(FILE in, int min, int *max)
48			{
49			struct range r;
50
51			if (fread(&r, sizeof(r), 1, in) != 1)
52			return NULL;
53			*min=r.min;
54			*max=r.max;
55			return read_item(in);
56			}
57
58			struct item_bin *
59			init_item(enum item_type type)
60			{
61			struct item_bin ib=(struct item_bin ) buffer;
62
63			item_bin_init(ib, type);
64			return ib;
65			}