components/disk.c
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/* 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); }