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
|
#include <grass/gis.h>
#include <grass/glocale.h>
#include "flag.h"
FLAG *flag_create(int nrows, int ncols)
{
unsigned char *temp;
FLAG *new_flag;
register int i;
new_flag = (FLAG *)G_malloc(sizeof(FLAG));
new_flag->nrows = nrows;
new_flag->ncols = ncols;
new_flag->leng = (ncols + 7) / 8;
new_flag->array =
(unsigned char **)G_malloc(nrows * sizeof(unsigned char *));
if (!new_flag->array)
G_fatal_error(_("Out of memory!"));
temp = (unsigned char *)G_malloc(nrows * new_flag->leng *
sizeof(unsigned char));
if (!temp)
G_fatal_error(_("Out of memory!"));
for (i = 0; i < nrows; i++) {
new_flag->array[i] = temp;
temp += new_flag->leng;
}
flag_clear_all(new_flag);
return (new_flag);
}
int flag_destroy(FLAG *flags)
{
G_free(flags->array[0]);
G_free(flags->array);
G_free(flags);
return 0;
}
int flag_clear_all(FLAG *flags)
{
register int r, c;
for (r = 0; r < flags->nrows; r++) {
for (c = 0; c < flags->leng; c++) {
flags->array[r][c] = 0;
}
}
return 0;
}
|
