slstatus/disk.c
2017-09-17 17:45:03 +02:00

61 lines
1.1 KiB
C

/* See LICENSE file for copyright and license details. */
#include <err.h>
#include <stdio.h>
#include <sys/statvfs.h>
#include "util.h"
const char *
disk_free(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
return NULL;
}
return bprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
}
const char *
disk_perc(const char *mnt)
{
int perc;
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
return NULL;
}
perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
return bprintf("%d", perc);
}
const char *
disk_total(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
return NULL;
}
return bprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
}
const char *
disk_used(const char *mnt)
{
struct statvfs fs;
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
return NULL;
}
return bprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
}