components/disk.c
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
/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/statvfs.h>
#include "../util.h"
const char *
disk_free(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("statvfs '%s':", mnt);
return NULL;
}
return fmt_human(fs.f_frsize * fs.f_bavail, 1024);
}
const char *
disk_perc(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("statvfs '%s':", mnt);
return NULL;
}
return bprintf("%d", (int)(100 *
(1.0f - ((float)fs.f_bavail / (float)fs.f_blocks))));
}
const char *
disk_total(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("statvfs '%s':", mnt);
return NULL;
}
return fmt_human(fs.f_frsize * fs.f_blocks, 1024);
}
const char *
disk_used(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("statvfs '%s':", mnt);
return NULL;
}
return fmt_human(fs.f_frsize * (fs.f_blocks - fs.f_bfree), 1024);
}