components/disk.c
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/* 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_2(fs.f_frsize * fs.f_bavail);
}
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_2(fs.f_frsize * fs.f_blocks);
}
const char *
disk_used(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("statvfs '%s':", mnt);
return NULL;
}
return fmt_human_2(fs.f_frsize * (fs.f_blocks - fs.f_bfree));
}