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
|
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include "tai.h"
#include "leapsecs.h"
struct tai *leapsecs = 0;
int leapsecs_num = 0;
int leapsecs_read()
{
int fd;
struct stat st;
struct tai *t;
int n;
int i;
struct tai u;
fd = open("/etc/leapsecs.dat",O_RDONLY | O_NDELAY);
if (fd == -1) {
if (errno != ENOENT) return -1;
if (leapsecs) free(leapsecs);
leapsecs = 0;
leapsecs_num = 0;
return 0;
}
if (fstat(fd,&st) == -1) { close(fd); return -1; }
t = (struct tai *) malloc(st.st_size);
if (!t) { close(fd); return -1; }
n = read(fd,(char *) t,st.st_size);
close(fd);
if (n != st.st_size) { free(t); return -1; }
n /= sizeof(struct tai);
for (i = 0;i < n;++i) {
tai_unpack((char *) &t[i],&u);
t[i] = u;
}
if (leapsecs) free(leapsecs);
leapsecs = t;
leapsecs_num = n;
}
|
