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-rw-r--r--components/disk.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/components/disk.c b/components/disk.c
new file mode 100644
index 0000000..90a8e0b
--- /dev/null
+++ b/components/disk.c
@@ -0,0 +1,61 @@
+/* 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);
+}