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
|
#include "gis.h"
#include <string.h>
/* -1 can't open file for reading
* -2 no memory for key,value info, file not modified
* -3 can't open file for re-write
* -4 error writing the file (might be damaged)
*/
int G_update_key_value_file (char *file,char *key,char *value)
{
struct Key_Value *kv;
int stat;
kv = G_read_key_value_file (file, &stat);
if (stat != 0)
return stat;
if(!G_set_key_value (key, value, kv))
{
G_free_key_value(kv);
return -2;
}
G_write_key_value_file (file, kv, &stat);
G_free_key_value(kv);
return stat;
}
/* returns: <0 are file/memory errors
* 0 not found
* 1 ok
*/
int G_lookup_key_value_from_file(
char *file,
char *key,
char value[],
int n)
{
struct Key_Value *kv;
int stat;
char *v;
*value = 0;
kv = G_read_key_value_file (file, &stat);
if (stat != 0)
return stat;
v = G_find_key_value (key, kv);
if (v)
{
strncpy (value, v, n);
value[n-1] = 0;
stat = 1;
}
else
stat = 0;
G_free_key_value (kv);
return stat;
}
|
