slstatus

My fork of https://tools.suckless.org/slstatus/
git clone https://git.inz.fi/slstatus
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disk.c (992B)

      1 /* See LICENSE file for copyright and license details. */
      2 #include <stdio.h>
      3 #include <sys/statvfs.h>
      4 
      5 #include "../util.h"
      6 
      7 const char *
      8 disk_free(const char *path)
      9 {
     10 	struct statvfs fs;
     11 
     12 	if (statvfs(path, &fs) < 0) {
     13 		warn("statvfs '%s':", path);
     14 		return NULL;
     15 	}
     16 
     17 	return fmt_human(fs.f_frsize * fs.f_bavail, 1024);
     18 }
     19 
     20 const char *
     21 disk_perc(const char *path)
     22 {
     23 	struct statvfs fs;
     24 
     25 	if (statvfs(path, &fs) < 0) {
     26 		warn("statvfs '%s':", path);
     27 		return NULL;
     28 	}
     29 
     30 	return bprintf("%d", (int)(100 *
     31 	               (1.0f - ((float)fs.f_bavail / (float)fs.f_blocks))));
     32 }
     33 
     34 const char *
     35 disk_total(const char *path)
     36 {
     37 	struct statvfs fs;
     38 
     39 	if (statvfs(path, &fs) < 0) {
     40 		warn("statvfs '%s':", path);
     41 		return NULL;
     42 	}
     43 
     44 	return fmt_human(fs.f_frsize * fs.f_blocks, 1024);
     45 }
     46 
     47 const char *
     48 disk_used(const char *path)
     49 {
     50 	struct statvfs fs;
     51 
     52 	if (statvfs(path, &fs) < 0) {
     53 		warn("statvfs '%s':", path);
     54 		return NULL;
     55 	}
     56 
     57 	return fmt_human(fs.f_frsize * (fs.f_blocks - fs.f_bfree), 1024);
     58 }