1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* This file is part of the Distributed Network Block Device 3
*
* Copyright(c) 2011-2012 Johann Latocha <johann@latocha.de>
*
* This file may be licensed under the terms of of the
* GNU General Public License Version 2 (the ``GPL'').
*
* Software distributed under the License is distributed
* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the GPL for the specific language
* governing rights and limitations.
*
* You should have received a copy of the GPL along with this
* program. If not, go to http://www.gnu.org/licenses/gpl.html
* or write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <stdio.h>
#include <search.h>
#include <string.h>
#include "../config.h"
char key_buf[MAX_NUMBER_IMAGES * MAX_FILE_ID];
char value_buf[MAX_NUMBER_IMAGES * MAX_FILE_NAME];
char *key_ptr = key_buf;
char *val_ptr = value_buf;
void ht_create()
{
(void) hcreate(MAX_NUMBER_IMAGES);
}
int ht_insert(char* key, char* value)
{
if (strlen(key) > MAX_FILE_ID) return -1;
if (strlen(value) > MAX_FILE_NAME) return -2;
strcpy(key_ptr, key);
strcpy(val_ptr, value);
ENTRY item;
item.key = key_ptr;
item.data = val_ptr;
(void) hsearch(item, ENTER);
key_ptr += strlen(key) + 1;
val_ptr += strlen(value) + 1;
return 0;
}
char* ht_search(char* key)
{
ENTRY *result;
ENTRY item;
item.key = key;
if ((result = hsearch(item, FIND)) != NULL)
return result->data;
else
return NULL;
}
|
