slstatus

status monitor
git clone git://git.suckless.org/slstatus
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disk.c (1016B)

      1 /* See LICENSE file for copyright and license details. */
      2 #include <stdio.h>
      3 #include <sys/statvfs.h>
      4 
      5 #include "../slstatus.h"
      6 #include "../util.h"
      7 
      8 const char *
      9 disk_free(const char *path)
     10 {
     11 	struct statvfs fs;
     12 
     13 	if (statvfs(path, &fs) < 0) {
     14 		warn("statvfs '%s':", path);
     15 		return NULL;
     16 	}
     17 
     18 	return fmt_human(fs.f_frsize * fs.f_bavail, 1024);
     19 }
     20 
     21 const char *
     22 disk_perc(const char *path)
     23 {
     24 	struct statvfs fs;
     25 
     26 	if (statvfs(path, &fs) < 0) {
     27 		warn("statvfs '%s':", path);
     28 		return NULL;
     29 	}
     30 
     31 	return bprintf("%d", (int)(100 *
     32 	               (1 - ((double)fs.f_bavail / (double)fs.f_blocks))));
     33 }
     34 
     35 const char *
     36 disk_total(const char *path)
     37 {
     38 	struct statvfs fs;
     39 
     40 	if (statvfs(path, &fs) < 0) {
     41 		warn("statvfs '%s':", path);
     42 		return NULL;
     43 	}
     44 
     45 	return fmt_human(fs.f_frsize * fs.f_blocks, 1024);
     46 }
     47 
     48 const char *
     49 disk_used(const char *path)
     50 {
     51 	struct statvfs fs;
     52 
     53 	if (statvfs(path, &fs) < 0) {
     54 		warn("statvfs '%s':", path);
     55 		return NULL;
     56 	}
     57 
     58 	return fmt_human(fs.f_frsize * (fs.f_blocks - fs.f_bfree), 1024);
     59 }